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  3. πŸ’¬ Button size radionode with sensors swarm extension

πŸ’¬ Button size radionode with sensors swarm extension

Scheduled Pinned Locked Moved OpenHardware.io
atsha204aflashhumidityrf69lightuv lightbatterymysensortemperatureota
189 Posts 28 Posters 40.5k Views 25 Watching
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  • gohanG gohan

    Will it be available preassembled? :)

    KoreshK Offline
    KoreshK Offline
    Koresh
    Contest Winner
    wrote on last edited by
    #26

    @gohan Yes. Of course :smile:

    1 Reply Last reply
    2
    • KoreshK Offline
      KoreshK Offline
      Koresh
      Contest Winner
      wrote on last edited by
      #27

      Unfortunately I can't open my ebay shop right now. While I'm trying to open it, you can buy this board here: https://www.ebid.net/eu/for-sale/arduino-ide-compatible-coincell-powered-controller-rfm69cw-hcw-433-mhz-radio-156694991.htm

      1 Reply Last reply
      0
      • gohanG Offline
        gohanG Offline
        gohan
        Mod
        wrote on last edited by
        #28

        Best of luck for your shop :+1:

        1 Reply Last reply
        0
        • bjornhallbergB Offline
          bjornhallbergB Offline
          bjornhallberg
          Hero Member
          wrote on last edited by bjornhallberg
          #29

          Great! One question though, is everything already soldered and if so is there an option to for 868MHz?

          gohanG 1 Reply Last reply
          0
          • bjornhallbergB bjornhallberg

            Great! One question though, is everything already soldered and if so is there an option to for 868MHz?

            gohanG Offline
            gohanG Offline
            gohan
            Mod
            wrote on last edited by
            #30

            @bjornhallberg if you want you can just order pcb and build your own node

            bjornhallbergB 1 Reply Last reply
            0
            • gohanG gohan

              @bjornhallberg if you want you can just order pcb and build your own node

              bjornhallbergB Offline
              bjornhallbergB Offline
              bjornhallberg
              Hero Member
              wrote on last edited by
              #31

              @gohan Yeah I could but I'm just too lazy :-) There are a lot of components to source from AliExpress before anyone can build these boards. It would take months even if there aren't any errors in the BOM or lost packages from China.

              gohanG 1 Reply Last reply
              0
              • bjornhallbergB bjornhallberg

                @gohan Yeah I could but I'm just too lazy :-) There are a lot of components to source from AliExpress before anyone can build these boards. It would take months even if there aren't any errors in the BOM or lost packages from China.

                gohanG Offline
                gohanG Offline
                gohan
                Mod
                wrote on last edited by
                #32

                @bjornhallberg since @Koresh is still in the early production stage, I think he can manage to make a few with a different radio, given of course he has the 866 mhz modules available 😁

                bjornhallbergB 1 Reply Last reply
                0
                • gohanG gohan

                  @bjornhallberg since @Koresh is still in the early production stage, I think he can manage to make a few with a different radio, given of course he has the 866 mhz modules available 😁

                  bjornhallbergB Offline
                  bjornhallbergB Offline
                  bjornhallberg
                  Hero Member
                  wrote on last edited by bjornhallberg
                  #33

                  @gohan Thankfully I do have some CW 868 radios (~5 left) available that I bought ahead of time. I think everyone can solder the radio to the board by hand and so I personally would prefer that @Koresh would consider selling the parts separately.

                  1 Reply Last reply
                  0
                  • Cliff KarlssonC Offline
                    Cliff KarlssonC Offline
                    Cliff Karlsson
                    wrote on last edited by
                    #34

                    If possible I would also like the option to chose 868 Mhz or be able to buy board without radio.

                    KoreshK 1 Reply Last reply
                    0
                    • Cliff KarlssonC Cliff Karlsson

                      If possible I would also like the option to chose 868 Mhz or be able to buy board without radio.

                      KoreshK Offline
                      KoreshK Offline
                      Koresh
                      Contest Winner
                      wrote on last edited by
                      #35

                      @Cliff-Karlsson
                      @bjornhallberg
                      I have some assembled boards without the radio. You can buy them here https://www.ebid.net/eu/for-sale/arduino-ide-compatible-coincell-powered-controller-ready-for-rfm69cw-hcw-radio-156711327.htm . I just reminding this board has a rfm69HCW footprint but you can solder rfm69CW modules with the pcb adapter which I made. Of course I will supply the adapter with the main board.

                      bjornhallbergB 1 Reply Last reply
                      1
                      • KoreshK Koresh

                        @Cliff-Karlsson
                        @bjornhallberg
                        I have some assembled boards without the radio. You can buy them here https://www.ebid.net/eu/for-sale/arduino-ide-compatible-coincell-powered-controller-ready-for-rfm69cw-hcw-radio-156711327.htm . I just reminding this board has a rfm69HCW footprint but you can solder rfm69CW modules with the pcb adapter which I made. Of course I will supply the adapter with the main board.

                        bjornhallbergB Offline
                        bjornhallbergB Offline
                        bjornhallberg
                        Hero Member
                        wrote on last edited by
                        #36

                        @Koresh Thanks! Great solution with the adapter board as well, you really do think of everything. Do you have the other boards without radio as well? Specifically the Switch Controller?

                        KoreshK 1 Reply Last reply
                        0
                        • bjornhallbergB bjornhallberg

                          @Koresh Thanks! Great solution with the adapter board as well, you really do think of everything. Do you have the other boards without radio as well? Specifically the Switch Controller?

                          KoreshK Offline
                          KoreshK Offline
                          Koresh
                          Contest Winner
                          wrote on last edited by
                          #37

                          @bjornhallberg
                          I have some insertable switch boards without radio. I planned to solder nrf24 into them but can sell them without radio too (it supports only cw modules). Will put up for sale soon.

                          bjornhallbergB 1 Reply Last reply
                          1
                          • KoreshK Koresh

                            @bjornhallberg
                            I have some insertable switch boards without radio. I planned to solder nrf24 into them but can sell them without radio too (it supports only cw modules). Will put up for sale soon.

                            bjornhallbergB Offline
                            bjornhallbergB Offline
                            bjornhallberg
                            Hero Member
                            wrote on last edited by
                            #38

                            @Koresh Sounds great! Oh and btw, any idea how customs will handle the packages, any chance of taxes and customs fees? You're outside of the EU customs union right?

                            KoreshK 1 Reply Last reply
                            0
                            • bjornhallbergB bjornhallberg

                              @Koresh Sounds great! Oh and btw, any idea how customs will handle the packages, any chance of taxes and customs fees? You're outside of the EU customs union right?

                              KoreshK Offline
                              KoreshK Offline
                              Koresh
                              Contest Winner
                              wrote on last edited by Koresh
                              #39

                              @bjornhallberg I do not know exactly, but I don't think there should be any fees. Try to find out tomorrow.

                              1 Reply Last reply
                              0
                              • alexsh1A Offline
                                alexsh1A Offline
                                alexsh1
                                wrote on last edited by
                                #40

                                @Koresh I got one of boards and would like to add Si1132-A10-GMR. What else I need to add? C8?
                                Why are you not using this sensor on your board?

                                KoreshK 1 Reply Last reply
                                0
                                • alexsh1A alexsh1

                                  @Koresh I got one of boards and would like to add Si1132-A10-GMR. What else I need to add? C8?
                                  Why are you not using this sensor on your board?

                                  KoreshK Offline
                                  KoreshK Offline
                                  Koresh
                                  Contest Winner
                                  wrote on last edited by
                                  #41

                                  @alexsh1 yes, you should solder the sensor and the bypass capacitor. I have a lot of si1132 sensors, but I can't find the correct library. Almost promo videos of commertial sensors based on the si1132 shows incorrect data ))) It shows correct UV and IR level, but incorrect visible light value. So I decided to not solder this sensor yet.

                                  alexsh1A 1 Reply Last reply
                                  0
                                  • alexsh1A Offline
                                    alexsh1A Offline
                                    alexsh1
                                    wrote on last edited by alexsh1
                                    #42

                                    @Koresh I would only use it for UV so this is good for me.

                                    No need to use a lib:

                                    // Distributed with a free-will license.
                                    // Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
                                    // SI1132
                                    // This code is designed to work with the SI1132_I2CS I2C Mini Module available from ControlEverything.com.
                                    // https://www.controleverything.com/content/Light?sku=SI1132_I2CS#tabs-0-product_tabset-2
                                    
                                    #include<Wire.h>
                                    
                                    // SI1132 I2C address is 0x60(96)
                                    #define Addr 0x60
                                    
                                    int response = 0;
                                    void setup()
                                    {
                                      // Initialise I2C communication as MASTER
                                      Wire.begin();
                                      // Initialise Serial Communication, Baud rate = 9600
                                      Serial.begin(9600);
                                    
                                      // Enable UVindex measurement coefficients
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COFF-1 register
                                      Wire.write(0x13);
                                      // Default value
                                      Wire.write(0x29);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COFF-2 register
                                      Wire.write(0x14);
                                      // Default value
                                      Wire.write(0x89);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COFF-3 register
                                      Wire.write(0x15);
                                      // Default value
                                      Wire.write(0x02);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COFF-4 register
                                      Wire.write(0x16);
                                      // Default value
                                      Wire.write(0x00);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Enable uv, Visible, IR
                                      Wire.write(0xF0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select command register
                                      Wire.write(0x18);
                                      // Select CHLIST register in RAM
                                      Wire.write(0x01 | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select HW_KEY register
                                      Wire.write(0x07);
                                      // Default value
                                      Wire.write(0x17);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Small IR photodiode
                                      Wire.write(0x00);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_IR_ADCMUX register in RAM
                                      Wire.write(0x0E | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Set ADC Clock divided / 1
                                      Wire.write(0x00);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_IR_ADC_GAIN register in RAM
                                      Wire.write(0x1E | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Set 511 ADC Clock
                                      Wire.write(0x70);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_IR_ADC_COUNTER register in RAM
                                      Wire.write(0x1D | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Set ADC Clock divided / 1
                                      Wire.write(0x00);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                     // Select ALS_VIS_ADC_GAIN register in RAM
                                      Wire.write(0x11 | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // High Signal Range
                                      Wire.write(0x20);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_IR_ADC_MISC register in RAM
                                      Wire.write(0x1F | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // Set 511 ADC Clock
                                      Wire.write(0x70);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_VIS_ADC_COUNTER register in RAM
                                      Wire.write(0x10 | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_WR register
                                      Wire.write(0x17);
                                      // High Signal Range
                                      Wire.write(0x20);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Select ALS_VIS_ADC_MISC register in RAM
                                      Wire.write(0x12 | 0xA0);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(10);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select PARAM_RD register
                                      Wire.write(0x2E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                    
                                      // Request 1 byte of data
                                      Wire.requestFrom(Addr, 1);
                                      // Read 1 byte of data
                                      response = Wire.read();
                                      delay(300);
                                    }
                                    void loop()
                                    {
                                      unsigned int data[4];
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select COMMAND register
                                      Wire.write(0x18);
                                      // Start ALS conversion
                                      Wire.write(0x0E);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      delay(500);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select data register
                                      Wire.write(0x22);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      
                                      // Request 4 byte of data
                                      Wire.requestFrom(Addr, 4);
                                    
                                      // Read 4 bytes of data
                                      // visible lsb, visible msb, ir lsb, ir msb
                                      if (Wire.available() == 4)
                                      {
                                        data[0] = Wire.read();
                                        data[1] = Wire.read();
                                        data[2] = Wire.read();
                                        data[3] = Wire.read();
                                      }
                                    
                                      float visible = (data[1] * 256.0 + data[0]);
                                      float ir = (data[3] * 256 + data[2]);
                                    
                                      // Start I2C Transmission
                                      Wire.beginTransmission(Addr);
                                      // Select data register
                                      Wire.write(0x2C);
                                      // Stop I2C Transmission
                                      Wire.endTransmission();
                                      
                                      // Request 2 bytes of data
                                      Wire.requestFrom(Addr, 2);
                                    
                                      // Read 2 bytes of data
                                      // uv lsb, uv msb
                                      if (Wire.available() == 2)
                                      {
                                        data[0] = Wire.read();
                                        data[1] = Wire.read();
                                      }
                                      // Convert the data
                                      float uv = (data[1] * 256 + data[0]);
                                    
                                      // Output data to screen
                                      Serial.print("Visible Light of Source : ");
                                      Serial.print(visible);
                                      Serial.println(" lux");
                                      Serial.print("IR Of Source : ");
                                      Serial.print(ir);
                                      Serial.println(" lux");
                                      Serial.print("UV Of the Source : ");
                                      Serial.print(uv);
                                      Serial.println(" lux");
                                      delay(500);
                                    }
                                    
                                    alexsh1A 1 Reply Last reply
                                    0
                                    • alexsh1A alexsh1

                                      @Koresh I would only use it for UV so this is good for me.

                                      No need to use a lib:

                                      // Distributed with a free-will license.
                                      // Use it any way you want, profit or free, provided it fits in the licenses of its associated works.
                                      // SI1132
                                      // This code is designed to work with the SI1132_I2CS I2C Mini Module available from ControlEverything.com.
                                      // https://www.controleverything.com/content/Light?sku=SI1132_I2CS#tabs-0-product_tabset-2
                                      
                                      #include<Wire.h>
                                      
                                      // SI1132 I2C address is 0x60(96)
                                      #define Addr 0x60
                                      
                                      int response = 0;
                                      void setup()
                                      {
                                        // Initialise I2C communication as MASTER
                                        Wire.begin();
                                        // Initialise Serial Communication, Baud rate = 9600
                                        Serial.begin(9600);
                                      
                                        // Enable UVindex measurement coefficients
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COFF-1 register
                                        Wire.write(0x13);
                                        // Default value
                                        Wire.write(0x29);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COFF-2 register
                                        Wire.write(0x14);
                                        // Default value
                                        Wire.write(0x89);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COFF-3 register
                                        Wire.write(0x15);
                                        // Default value
                                        Wire.write(0x02);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COFF-4 register
                                        Wire.write(0x16);
                                        // Default value
                                        Wire.write(0x00);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Enable uv, Visible, IR
                                        Wire.write(0xF0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select command register
                                        Wire.write(0x18);
                                        // Select CHLIST register in RAM
                                        Wire.write(0x01 | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select HW_KEY register
                                        Wire.write(0x07);
                                        // Default value
                                        Wire.write(0x17);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Small IR photodiode
                                        Wire.write(0x00);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_IR_ADCMUX register in RAM
                                        Wire.write(0x0E | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Set ADC Clock divided / 1
                                        Wire.write(0x00);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_IR_ADC_GAIN register in RAM
                                        Wire.write(0x1E | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Set 511 ADC Clock
                                        Wire.write(0x70);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_IR_ADC_COUNTER register in RAM
                                        Wire.write(0x1D | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Set ADC Clock divided / 1
                                        Wire.write(0x00);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                       // Select ALS_VIS_ADC_GAIN register in RAM
                                        Wire.write(0x11 | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // High Signal Range
                                        Wire.write(0x20);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_IR_ADC_MISC register in RAM
                                        Wire.write(0x1F | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // Set 511 ADC Clock
                                        Wire.write(0x70);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_VIS_ADC_COUNTER register in RAM
                                        Wire.write(0x10 | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_WR register
                                        Wire.write(0x17);
                                        // High Signal Range
                                        Wire.write(0x20);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Select ALS_VIS_ADC_MISC register in RAM
                                        Wire.write(0x12 | 0xA0);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(10);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select PARAM_RD register
                                        Wire.write(0x2E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                      
                                        // Request 1 byte of data
                                        Wire.requestFrom(Addr, 1);
                                        // Read 1 byte of data
                                        response = Wire.read();
                                        delay(300);
                                      }
                                      void loop()
                                      {
                                        unsigned int data[4];
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select COMMAND register
                                        Wire.write(0x18);
                                        // Start ALS conversion
                                        Wire.write(0x0E);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        delay(500);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select data register
                                        Wire.write(0x22);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        
                                        // Request 4 byte of data
                                        Wire.requestFrom(Addr, 4);
                                      
                                        // Read 4 bytes of data
                                        // visible lsb, visible msb, ir lsb, ir msb
                                        if (Wire.available() == 4)
                                        {
                                          data[0] = Wire.read();
                                          data[1] = Wire.read();
                                          data[2] = Wire.read();
                                          data[3] = Wire.read();
                                        }
                                      
                                        float visible = (data[1] * 256.0 + data[0]);
                                        float ir = (data[3] * 256 + data[2]);
                                      
                                        // Start I2C Transmission
                                        Wire.beginTransmission(Addr);
                                        // Select data register
                                        Wire.write(0x2C);
                                        // Stop I2C Transmission
                                        Wire.endTransmission();
                                        
                                        // Request 2 bytes of data
                                        Wire.requestFrom(Addr, 2);
                                      
                                        // Read 2 bytes of data
                                        // uv lsb, uv msb
                                        if (Wire.available() == 2)
                                        {
                                          data[0] = Wire.read();
                                          data[1] = Wire.read();
                                        }
                                        // Convert the data
                                        float uv = (data[1] * 256 + data[0]);
                                      
                                        // Output data to screen
                                        Serial.print("Visible Light of Source : ");
                                        Serial.print(visible);
                                        Serial.println(" lux");
                                        Serial.print("IR Of Source : ");
                                        Serial.print(ir);
                                        Serial.println(" lux");
                                        Serial.print("UV Of the Source : ");
                                        Serial.print(uv);
                                        Serial.println(" lux");
                                        delay(500);
                                      }
                                      
                                      alexsh1A Offline
                                      alexsh1A Offline
                                      alexsh1
                                      wrote on last edited by
                                      #43

                                      @Koresh BTW, Found this library - working fine for my needs

                                      https://github.com/hardkernel/WEATHER-BOARD/tree/master/libraries/ODROID_Si1132

                                      I am using this sensor purely for UV Index.

                                      PS Got your sensor. Soldered it to the mote. Works just fine

                                      1 Reply Last reply
                                      0
                                      • KoreshK Koresh

                                        @alexsh1 yes, you should solder the sensor and the bypass capacitor. I have a lot of si1132 sensors, but I can't find the correct library. Almost promo videos of commertial sensors based on the si1132 shows incorrect data ))) It shows correct UV and IR level, but incorrect visible light value. So I decided to not solder this sensor yet.

                                        alexsh1A Offline
                                        alexsh1A Offline
                                        alexsh1
                                        wrote on last edited by
                                        #44

                                        @Koresh I can see Si1132 visible light is twice more than BH1750.
                                        Not sure what's wrong, but as you said it reports incorrect value.

                                        UV Index is in line with VEML6070

                                        alexsh1A 1 Reply Last reply
                                        0
                                        • alexsh1A alexsh1

                                          @Koresh I can see Si1132 visible light is twice more than BH1750.
                                          Not sure what's wrong, but as you said it reports incorrect value.

                                          UV Index is in line with VEML6070

                                          alexsh1A Offline
                                          alexsh1A Offline
                                          alexsh1
                                          wrote on last edited by
                                          #45

                                          The sensor looks more complicated that I thought:

                                          2.2. Ambient Light
                                          The Si1132 has photodiodes capable of measuring both vi
                                          sible and infrared light. Howe
                                          ver, the visible photodiode
                                          is also influenced by infrared light. The measurement of illuminance require
                                          s the same spectral response as the
                                          human eye. If an accurate lux measurement is desired, the
                                          extra IR response of the vi
                                          sible-light photodiode must
                                          be compensated. Therefore, to allow the host to make corrections to the infrared light’s influence, the Si1132
                                          reports the infrared light measurement on a separate channel. The separate visible and IR photodiodes lend
                                          themselves to a variety of algorithmic solutions. The
                                          host can then take these two measurements and run an
                                          algorithm to derive an equivalent lux level as perceive
                                          d by a human eye. Having
                                          the IR correction algorithm
                                          running in the host a
                                          llows for the most flexibility in adjusting for system-dependent
                                          variables. For example, if the
                                          glass used in the system blocks visibl
                                          e light more than infrared light, the
                                          IR correction needs to be adjusted.

                                          I will have to spend more time to understand how to extract the correct ambient light

                                          alexsh1A 1 Reply Last reply
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