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  3. Help needed to setup a RFM69 & ESP8266 Gateaway on Adafruit Feather Huzzah

Help needed to setup a RFM69 & ESP8266 Gateaway on Adafruit Feather Huzzah

Scheduled Pinned Locked Moved Development
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  • mfalkviddM mfalkvidd

    @hlehoux is there a reason you can't use gpio5 for irq? That's what I used on a different esp board when verifying the instructions on https://www.mysensors.org/build/connect_radio

    H Offline
    H Offline
    hlehoux
    wrote on last edited by
    #8

    @mfalkvidd thank you for pointing this to me. I confirm gpio5 works well for IRQ. I read too many articles about how to use gpio0 or gpio2 !

    Anyway i still get very bad transmission ratio, even with very close distance and after buying antennas the good size for my 868 MHz RFM69s

    Can some of you guys point me to help on how to troubleshoot transmissions and/or bad antenna setup for the RFM69, for a newbie like me ?

    Thank you

    1 Reply Last reply
    0
    • electrikE Offline
      electrikE Offline
      electrik
      wrote on last edited by
      #9

      Can you switch on MY_DEBUG_VERBOSE_RFM69 in your node and post the output?
      Also post the sketch please.

      1 Reply Last reply
      0
      • H Offline
        H Offline
        hlehoux
        wrote on last edited by hlehoux
        #10

        Thank you for offering help!

        Here is the output of my node "AT Startup" with MY_DEBUG_VERBOSE_RFM69

         
         __  __       ____
        |  \/  |_   _/ ___|  ___ _ __  ___  ___  _ __ ___
        | |\/| | | | \___ \ / _ \ `_ \/ __|/ _ \| `__/ __|
        | |  | | |_| |___| |  __/ | | \__ \  _  | |  \__ \
        |_|  |_|\__, |____/ \___|_| |_|___/\___/|_|  |___/
                |___/                      2.3.2
        
        16 MCO:BGN:INIT NODE,CP=RPNNA---,FQ=8,REL=255,VER=2.3.2
        28 TSM:INIT
        28 TSF:WUR:MS=0
        30 RFM69:INIT
        32 RFM69:INIT:PIN,CS=10,IQP=2,IQN=0
        36 RFM69:PTX:LEVEL=5 dBm
        38 TSM:INIT:TSP OK
        40 TSF:SID:OK,ID=1
        43 TSM:FPAR
        45 RFM69:SWR:SEND,TO=255,SEQ=0,RETRY=0
        51 RFM69:CSMA:RSSI=-108
        55 ?TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
        2064 !TSM:FPAR:NO REPLY
        2066 TSM:FPAR
        2068 RFM69:SWR:SEND,TO=255,SEQ=1,RETRY=0
        2072 RFM69:CSMA:RSSI=-109
        2078 ?TSF:MSG:SEND,1-1-255-255,s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=OK:
        2838 RFM69:SAC:SEND ACK,TO=0,RSSI=-30
        2842 RFM69:CSMA:RSSI=-111
        2848 TSF:MSG:READ,0-0-1,s=255,c=3,t=8,pt=1,l=1,sg=0:0
        2854 TSF:MSG:FPAR OK,ID=0,D=1
        4087 TSM:FPAR:OK
        4087 TSM:ID
        4089 TSM:ID:OK
        4091 TSM:UPL
        4093 RFM69:SWR:SEND,TO=0,SEQ=3,RETRY=0
        4098 RFM69:CSMA:RSSI=-108
        4304 !RFM69:SWR:NACK
        4306 RFM69:SWR:SEND,TO=0,SEQ=4,RETRY=1
        4311 RFM69:CSMA:RSSI=-107
        4517 !RFM69:SWR:NACK
        4519 RFM69:SWR:SEND,TO=0,SEQ=4,RETRY=2
        4524 RFM69:CSMA:RSSI=-108
        4730 !RFM69:SWR:NACK
        4732 RFM69:SWR:SEND,TO=0,SEQ=4,RETRY=3
        4737 RFM69:CSMA:RSSI=-107
        4923 RFM69:SWR:ACK,FROM=0,SEQ=4,RSSI=-74
        4927 RFM69:ATC:ADJ TXL,cR=-74,tR=-78..-82,TXL=5
        4931 RFM69:PTX:LEVEL=4 dBm
        4935 TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=24,pt=1,l=1,sg=0,ft=0,st=OK:1
        5156 RFM69:SAC:SEND ACK,TO=0,RSSI=-29
        5160 RFM69:CSMA:RSSI=-108
        5167 TSF:MSG:READ,0-0-1,s=255,c=3,t=25,pt=1,l=1,sg=0:1
        5173 TSF:MSG:PONG RECV,HP=1
        5175 TSM:UPL:OK
        5177 TSM:READY:ID=1,PAR=0,DIS=1
        5181 RFM69:SWR:SEND,TO=0,SEQ=5,RETRY=0
        5185 RFM69:CSMA:RSSI=-109
        5392 !RFM69:SWR:NACK
        5394 RFM69:SWR:SEND,TO=0,SEQ=6,RETRY=1
        5398 RFM69:CSMA:RSSI=-106
        5605 !RFM69:SWR:NACK
        5607 RFM69:SWR:SEND,TO=0,SEQ=6,RETRY=2
        5611 RFM69:CSMA:RSSI=-107
        5818 !RFM69:SWR:NACK
        5820 RFM69:SWR:SEND,TO=0,SEQ=6,RETRY=3
        5824 RFM69:CSMA:RSSI=-111
        6031 !RFM69:SWR:NACK
        6033 RFM69:SWR:SEND,TO=0,SEQ=6,RETRY=4
        6037 RFM69:CSMA:RSSI=-109
        6244 !RFM69:SWR:NACK
        6246 !TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=15,pt=6,l=2,sg=0,ft=0,st=NACK:0100
        7464 RFM69:SAC:SEND ACK,TO=0,RSSI=-29
        7471 RFM69:CSMA:RSSI=-107
        7475 TSF:MSG:READ,0-0-1,s=255,c=3,t=15,pt=6,l=2,sg=0:0100
        7481 RFM69:SWR:SEND,TO=0,SEQ=7,RETRY=0
        7487 RFM69:CSMA:RSSI=-108
        7694 !RFM69:SWR:NACK
        7696 RFM69:SWR:SEND,TO=0,SEQ=8,RETRY=1
        7700 RFM69:CSMA:RSSI=-105
        7907 !RFM69:SWR:NACK
        7909 RFM69:SWR:SEND,TO=0,SEQ=8,RETRY=2
        7913 RFM69:CSMA:RSSI=-107
        8120 !RFM69:SWR:NACK
        8122 RFM69:SWR:SEND,TO=0,SEQ=8,RETRY=3
        8126 RFM69:CSMA:RSSI=-108
        8333 !RFM69:SWR:NACK
        8335 RFM69:SWR:SEND,TO=0,SEQ=8,RETRY=4
        8339 RFM69:CSMA:RSSI=-106
        8546 !RFM69:SWR:NACK
        8548 !TSF:MSG:SEND,1-1-0-0,s=255,c=0,t=17,pt=0,l=5,sg=0,ft=1,st=NACK:2.3.2
        8556 RFM69:SWR:SEND,TO=0,SEQ=8,RETRY=0
        8560 RFM69:CSMA:RSSI=-106
        8767 !RFM69:SWR:NACK
        8769 RFM69:SWR:SEND,TO=0,SEQ=9,RETRY=1
        8773 RFM69:CSMA:RSSI=-108
        8980 !RFM69:SWR:NACK
        8982 RFM69:SWR:SEND,TO=0,SEQ=9,RETRY=2
        8986 RFM69:CSMA:RSSI=-108
        9193 !RFM69:SWR:NACK
        9195 RFM69:SWR:SEND,TO=0,SEQ=9,RETRY=3
        9199 RFM69:CSMA:RSSI=-107
        9406 !RFM69:SWR:NACK
        9408 RFM69:SWR:SEND,TO=0,SEQ=9,RETRY=4
        9412 RFM69:CSMA:RSSI=-106
        9619 !RFM69:SWR:NACK
        9621 !TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=6,pt=1,l=1,sg=0,ft=2,st=NACK:0
        Presentation
        11628 RFM69:SWR:SEND,TO=0,SEQ=9,RETRY=0
        11634 RFM69:CSMA:RSSI=-110
        11841 !RFM69:SWR:NACK
        11843 RFM69:SWR:SEND,TO=0,SEQ=10,RETRY=1
        11847 RFM69:CSMA:RSSI=-108
        12056 !RFM69:SWR:NACK
        12058 RFM69:SWR:SEND,TO=0,SEQ=10,RETRY=2
        12062 RFM69:CSMA:RSSI=-108
        12271 !RFM69:SWR:NACK
        12273 RFM69:SWR:SEND,TO=0,SEQ=10,RETRY=3
        12277 RFM69:CSMA:RSSI=-110
        12486 !RFM69:SWR:NACK
        12488 RFM69:SWR:SEND,TO=0,SEQ=10,RETRY=4
        12492 RFM69:CSMA:RSSI=-106
        12701 !RFM69:SWR:NACK
        12703 !TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=11,pt=0,l=13,sg=0,ft=3,st=NACK:RFM69 Sensor 
        12711 RFM69:SWR:SEND,TO=0,SEQ=10,RETRY=0
        12718 RFM69:CSMA:RSSI=-108
        12924 !RFM69:SWR:NACK
        12926 RFM69:SWR:SEND,TO=0,SEQ=11,RETRY=1
        12931 RFM69:CSMA:RSSI=-106
        13139 !RFM69:SWR:NACK
        13142 RFM69:SWR:SEND,TO=0,SEQ=11,RETRY=2
        13146 RFM69:CSMA:RSSI=-107
        13355 !RFM69:SWR:NACK
        13357 RFM69:SWR:SEND,TO=0,SEQ=11,RETRY=3
        13361 RFM69:CSMA:RSSI=-106
        13570 !RFM69:SWR:NACK
        13572 RFM69:SWR:SEND,TO=0,SEQ=11,RETRY=4
        13576 RFM69:CSMA:RSSI=-109
        13785 !RFM69:SWR:NACK
        13787 !TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=12,pt=0,l=3,sg=0,ft=4,st=NACK:1.0
        13795 RFM69:SWR:SEND,TO=0,SEQ=11,RETRY=0
        13799 RFM69:CSMA:RSSI=-111
        14006 !RFM69:SWR:NACK
        14008 RFM69:SWR:SEND,TO=0,SEQ=12,RETRY=1
        14012 RFM69:CSMA:RSSI=-105
        14219 !RFM69:SWR:NACK
        14221 RFM69:SWR:SEND,TO=0,SEQ=12,RETRY=2
        14225 RFM69:CSMA:RSSI=-106
        14432 !RFM69:SWR:NACK
        14434 RFM69:SWR:SEND,TO=0,SEQ=12,RETRY=3
        14438 RFM69:CSMA:RSSI=-107
        14645 !RFM69:SWR:NACK
        14647 RFM69:SWR:SEND,TO=0,SEQ=12,RETRY=4
        14651 RFM69:CSMA:RSSI=-107
        14858 !RFM69:SWR:NACK
        14860 !TSF:MSG:SEND,1-1-0-0,s=0,c=0,t=23,pt=0,l=0,sg=0,ft=5,st=NACK:
        14866 RFM69:SWR:SEND,TO=0,SEQ=12,RETRY=0
        14872 RFM69:CSMA:RSSI=-109
        15079 !RFM69:SWR:NACK
        15081 RFM69:SWR:SEND,TO=0,SEQ=13,RETRY=1
        15085 RFM69:CSMA:RSSI=-105
        15292 !RFM69:SWR:NACK
        15294 RFM69:SWR:SEND,TO=0,SEQ=13,RETRY=2
        15298 RFM69:CSMA:RSSI=-107
        15505 !RFM69:SWR:NACK
        15507 RFM69:SWR:SEND,TO=0,SEQ=13,RETRY=3
        15511 RFM69:CSMA:RSSI=-106
        15718 !RFM69:SWR:NACK
        15720 RFM69:SWR:SEND,TO=0,SEQ=13,RETRY=4
        15724 RFM69:CSMA:RSSI=-109
        15931 !RFM69:SWR:NACK
        15933 !TSF:MSG:SEND,1-1-0-0,s=1,c=0,t=0,pt=0,l=0,sg=0,ft=6,st=NACK:
        15939 MCO:REG:REQ
        15941 RFM69:SWR:SEND,TO=0,SEQ=13,RETRY=0
        15947 RFM69:CSMA:RSSI=-105
        16154 !RFM69:SWR:NACK
        16156 RFM69:SWR:SEND,TO=0,SEQ=14,RETRY=1
        16160 RFM69:CSMA:RSSI=-109
        16367 !RFM69:SWR:NACK
        16369 RFM69:SWR:SEND,TO=0,SEQ=14,RETRY=2
        16373 RFM69:CSMA:RSSI=-108
        16580 !RFM69:SWR:NACK
        16582 RFM69:SWR:SEND,TO=0,SEQ=14,RETRY=3
        16586 RFM69:CSMA:RSSI=-107
        16793 !RFM69:SWR:NACK
        16795 RFM69:SWR:SEND,TO=0,SEQ=14,RETRY=4
        16799 RFM69:CSMA:RSSI=-105
        17006 !RFM69:SWR:NACK
        17008 !TSF:MSG:SEND,1-1-0-0,s=255,c=3,t=26,pt=1,l=1,sg=0,ft=7,st=NACK:2
        17016 !TSM:READY:UPL FAIL,SNP
        

        And while executing loop() every 2 seconds:

        Loop
        478496 RFM69:SWR:SEND,TO=0,SEQ=80,RETRY=0
        478502 RFM69:CSMA:RSSI=-107
        478707 !RFM69:SWR:NACK
        478709 RFM69:SWR:SEND,TO=0,SEQ=81,RETRY=1
        478715 RFM69:CSMA:RSSI=-108
        478922 !RFM69:SWR:NACK
        478924 RFM69:SWR:SEND,TO=0,SEQ=81,RETRY=2
        478930 RFM69:CSMA:RSSI=-108
        479137 !RFM69:SWR:NACK
        479139 RFM69:SWR:SEND,TO=0,SEQ=81,RETRY=3
        479145 RFM69:CSMA:RSSI=-105
        479352 !RFM69:SWR:NACK
        479354 RFM69:SWR:SEND,TO=0,SEQ=81,RETRY=4
        479361 RFM69:CSMA:RSSI=-104
        479526 RFM69:SWR:ACK,FROM=0,SEQ=81,RSSI=-90
        479533 RFM69:ATC:ADJ TXL,cR=-90,tR=-78..-82,TXL=11
        479537 RFM69:PTX:LEVEL=12 dBm
        479541 TSF:MSG:SEND,1-1-0-0,s=1,c=1,t=16,pt=2,l=2,sg=0,ft=1,st=OK:1
        Loop
        481548 RFM69:SWR:SEND,TO=0,SEQ=81,RETRY=0
        481554 RFM69:CSMA:RSSI=-109
        481761 !RFM69:SWR:NACK
        481763 RFM69:SWR:SEND,TO=0,SEQ=82,RETRY=1
        481769 RFM69:CSMA:RSSI=-109
        481976 !RFM69:SWR:NACK
        481978 RFM69:SWR:SEND,TO=0,SEQ=82,RETRY=2
        481984 RFM69:CSMA:RSSI=-106
        482191 !RFM69:SWR:NACK
        482193 RFM69:SWR:SEND,TO=0,SEQ=82,RETRY=3
        482199 RFM69:CSMA:RSSI=-105
        482406 !RFM69:SWR:NACK
        482408 RFM69:SWR:SEND,TO=0,SEQ=82,RETRY=4
        482414 RFM69:CSMA:RSSI=-108
        482621 !RFM69:SWR:NACK
        482623 !TSF:MSG:SEND,1-1-0-0,s=1,c=1,t=16,pt=2,l=2,sg=0,ft=0,st=NACK:1
        Loop
        484630 RFM69:SWR:SEND,TO=0,SEQ=82,RETRY=0
        484636 RFM69:CSMA:RSSI=-109
        484841 !RFM69:SWR:NACK
        484843 RFM69:SWR:SEND,TO=0,SEQ=83,RETRY=1
        484849 RFM69:CSMA:RSSI=-107
        485056 !RFM69:SWR:NACK
        485058 RFM69:SWR:SEND,TO=0,SEQ=83,RETRY=2
        485064 RFM69:CSMA:RSSI=-108
        485271 !RFM69:SWR:NACK
        485273 RFM69:SWR:SEND,TO=0,SEQ=83,RETRY=3
        485279 RFM69:CSMA:RSSI=-105
        485486 !RFM69:SWR:NACK
        485488 RFM69:SWR:SEND,TO=0,SEQ=83,RETRY=4
        485494 RFM69:CSMA:RSSI=-107
        485662 RFM69:SWR:ACK,FROM=0,SEQ=83,RSSI=-88
        485666 RFM69:ATC:ADJ TXL,cR=-88,tR=-78..-82,TXL=12
        485672 RFM69:PTX:LEVEL=13 dBm
        485675 TSF:MSG:SEND,1-1-0-0,s=1,c=1,t=16,pt=2,l=2,sg=0,ft=1,st=OK:1
        
        

        And my Sketch :

        // Enable debug prints to serial monitor
        #define MY_DEBUG
        
        // Enable and select radio type attached
        #define MY_RADIO_RFM69
        #define MY_IS_RFM69HW
        #define MY_DEBUG_VERBOSE
        #define MY_DEBUG_VERBOSE_RFM69
        //#define MY_DEBUG_VERBOSE_RFM69_REGISTERS
        #define MY_RFM69_NEW_DRIVER
        //#define MY_RFM69_ATC_MODE_DISABLED
        //#define MY_RFM69_TX_POWER_DBM 20
        
        // Enabled repeater feature for this node
        //#define MY_REPEATER_FEATURE
        
        //#define MY_NODE_ID 5
        
        #include <MySensors.h>
        
        #define OPEN 1
        // Initialize motion message
        MyMessage msg(1, V_TRIPPED);
        
        uint8_t value = OPEN;
        
        void setup()
        {
          Serial.begin(115200);
          pinMode(LED_BUILTIN, OUTPUT);
        }
        
        void presentation()
        {
          Serial.println("Presentation");
          // Send the sketch version information to the gateway and Controller
          sendSketchInfo("RFM69 Sensor ", "1.0");
        
          // Register all sensors to gw (they will be created as child devices)
            present(0, S_CUSTOM);
            present(1, S_DOOR);
        }
        
        void loop()
        {
          Serial.println("Loop");
          digitalWrite(LED_BUILTIN, HIGH);   // turn the LED on (HIGH is the voltage level)
          delay(1000);                       // wait for a second
          digitalWrite(LED_BUILTIN, LOW);    // turn the LED off by making the voltage LOW
          delay(1000);                       // wait for a second
          //sendHeartbeat(); 
          send(msg.set(OPEN));
        
          
        }
        
        1 Reply Last reply
        0
        • H Offline
          H Offline
          hlehoux
          wrote on last edited by
          #11

          I'm also reading a few posts like this one trying to understand a bit more ....

          1 Reply Last reply
          0
          • electrikE Offline
            electrikE Offline
            electrik
            wrote on last edited by
            #12

            Are you sure about ask your hardware versions? I bought rfm69 modules and I thought they were the HW version but they turned out to be the normal ones.
            So important is

            • module version
            • frequency

            It looks like even with a high rssi your reception is not good. But maybe I interpret this the wrong way. Can I've of the developers or more experienced help with the analysis?

            1 Reply Last reply
            0
            • H Offline
              H Offline
              hlehoux
              wrote on last edited by hlehoux
              #13

              Thank you @electrik
              My intent is to use RFM69HW 868Mhz
              I compared with photos on the internet like here

              mine is:
              IMG_0359.jpg

              as far as i understand my reading my RSSI values seem to tell my signal is very weak and noisy ?
              I tried to provide the pwr to the rfm69 with an external source instead of the esp8266 but i was not better.

              hakha4H electrikE 2 Replies Last reply
              0
              • H hlehoux

                Thank you @electrik
                My intent is to use RFM69HW 868Mhz
                I compared with photos on the internet like here

                mine is:
                IMG_0359.jpg

                as far as i understand my reading my RSSI values seem to tell my signal is very weak and noisy ?
                I tried to provide the pwr to the rfm69 with an external source instead of the esp8266 but i was not better.

                hakha4H Offline
                hakha4H Offline
                hakha4
                wrote on last edited by
                #14

                @hlehoux Hi!
                I had quite alot of trouble with NRF24 modules with shaky connections despite doing everything that has been discussed in forum with power supply etc and have ordered a bunch of RFM69's to hopefully improve this according to others in forum claiming better stability with RFM''s. Haven't tested yet but reading this is a bit dissapointing.
                One thing though. Readings in log shows very high RSSI values and if it is measured in dBm this is very bad. The lower value the better I believe. Antenna issue ?

                H 1 Reply Last reply
                0
                • H hlehoux

                  Thank you @electrik
                  My intent is to use RFM69HW 868Mhz
                  I compared with photos on the internet like here

                  mine is:
                  IMG_0359.jpg

                  as far as i understand my reading my RSSI values seem to tell my signal is very weak and noisy ?
                  I tried to provide the pwr to the rfm69 with an external source instead of the esp8266 but i was not better.

                  electrikE Offline
                  electrikE Offline
                  electrik
                  wrote on last edited by
                  #15

                  @hlehoux can you take a photo from the back also? There should be a table telling which one it is exactly.

                  @hakha4 said in Help needed to setup a RFM69 & ESP8266 Gateaway on Adafruit Feather Huzzah:

                  Antenna issue ?

                  You could be right.

                  What antenna do you have?

                  1 Reply Last reply
                  0
                  • H Offline
                    H Offline
                    hlehoux
                    wrote on last edited by
                    #16

                    Hello, here are 2 photos

                    one from the back:
                    IMG_0360.jpg

                    I'm not sure what the "W" means, i read chinese copy don't have it ?

                    one from the antenna:
                    IMG_0361.jpg
                    It should be the good size for 868 MHz

                    I don't use "ground plane" or sort of, would this explain so bad RSSI ?

                    Thank you again for your help and patience

                    hakha4H scalzS 2 Replies Last reply
                    0
                    • hakha4H hakha4

                      @hlehoux Hi!
                      I had quite alot of trouble with NRF24 modules with shaky connections despite doing everything that has been discussed in forum with power supply etc and have ordered a bunch of RFM69's to hopefully improve this according to others in forum claiming better stability with RFM''s. Haven't tested yet but reading this is a bit dissapointing.
                      One thing though. Readings in log shows very high RSSI values and if it is measured in dBm this is very bad. The lower value the better I believe. Antenna issue ?

                      H Offline
                      H Offline
                      hlehoux
                      wrote on last edited by
                      #17

                      @hakha4 i also have several NRF24 nodes and gateaway
                      After trying several antenna/tranceiver, i recommend using
                      "E01-ML01DP5 Long Range SPI nRF24L01P 2.4Ghz 100mW SMA Antenna IoT Wireless Transceiver Transmitter Receiver nRF24L01P RF Module"

                      as a repeater
                      It gives far better range results

                      Anyway i wanted to try RFM69 to avoid having many repeaters

                      1 Reply Last reply
                      0
                      • electrikE Offline
                        electrikE Offline
                        electrik
                        wrote on last edited by
                        #18

                        The modules correspond to what it should be.
                        It looks like your ground is connected to the ANT pin on the picture, on the bottom side of the PCB?

                        H 1 Reply Last reply
                        1
                        • H hlehoux

                          Hello, here are 2 photos

                          one from the back:
                          IMG_0360.jpg

                          I'm not sure what the "W" means, i read chinese copy don't have it ?

                          one from the antenna:
                          IMG_0361.jpg
                          It should be the good size for 868 MHz

                          I don't use "ground plane" or sort of, would this explain so bad RSSI ?

                          Thank you again for your help and patience

                          hakha4H Offline
                          hakha4H Offline
                          hakha4
                          wrote on last edited by
                          #19

                          @hlehoux Hi!
                          I'm not sure what the "W" means, i read chinese copy don't have it ?

                          W means the low power output variant (+13dBm). There is another version named 'HW' which give a higher transmission output (+20 dBM). As elektik pointed out, check out the solder of the antenna. Did the antenna come presoldered or you did it yourself?
                          Another option for the coiled antenna is a straight copper wire (8,6 cm long) that gives better transmission according to many sources. Google! theres's alot information about this

                          electrikE 1 Reply Last reply
                          0
                          • hakha4H hakha4

                            @hlehoux Hi!
                            I'm not sure what the "W" means, i read chinese copy don't have it ?

                            W means the low power output variant (+13dBm). There is another version named 'HW' which give a higher transmission output (+20 dBM). As elektik pointed out, check out the solder of the antenna. Did the antenna come presoldered or you did it yourself?
                            Another option for the coiled antenna is a straight copper wire (8,6 cm long) that gives better transmission according to many sources. Google! theres's alot information about this

                            electrikE Offline
                            electrikE Offline
                            electrik
                            wrote on last edited by
                            #20

                            @hakha4 said in Help needed to setup a RFM69 & ESP8266 Gateaway on Adafruit Feather Huzzah:

                            There is another version named 'HW' which give a higher transmission output (+20 dBM).

                            There is a black spot on the PCB after "69H" and after the "W" so this is the RFM69HW

                            1 Reply Last reply
                            0
                            • H hlehoux

                              Hello, here are 2 photos

                              one from the back:
                              IMG_0360.jpg

                              I'm not sure what the "W" means, i read chinese copy don't have it ?

                              one from the antenna:
                              IMG_0361.jpg
                              It should be the good size for 868 MHz

                              I don't use "ground plane" or sort of, would this explain so bad RSSI ?

                              Thank you again for your help and patience

                              scalzS Offline
                              scalzS Offline
                              scalz
                              Hardware Contributor
                              wrote on last edited by scalz
                              #21

                              @hlehoux
                              unfortunately, lot of devboards have non-optimized gnd plane for RF, especially for subghz (small or splitted gnd plane by routes..).
                              Moreover, devboard+dupont cable+external rf module is not ideal.
                              With rfm69, you should get a nice range.
                              Though, why on one of your picture, antenna seems shorted to gnd??
                              Imho I would have chosen something else than esp8266 (esp32??) in your case, but your choice :)

                              To check if this is related to your gnd plane and your build is ok, you could also try to hook two straight wires as a dipole antenna to your radio (one to ANA, the other to GND in opposite direction will replace a ground plane). Google for examples, it's simple to try

                              electrikE H 2 Replies Last reply
                              0
                              • scalzS scalz

                                @hlehoux
                                unfortunately, lot of devboards have non-optimized gnd plane for RF, especially for subghz (small or splitted gnd plane by routes..).
                                Moreover, devboard+dupont cable+external rf module is not ideal.
                                With rfm69, you should get a nice range.
                                Though, why on one of your picture, antenna seems shorted to gnd??
                                Imho I would have chosen something else than esp8266 (esp32??) in your case, but your choice :)

                                To check if this is related to your gnd plane and your build is ok, you could also try to hook two straight wires as a dipole antenna to your radio (one to ANA, the other to GND in opposite direction will replace a ground plane). Google for examples, it's simple to try

                                electrikE Offline
                                electrikE Offline
                                electrik
                                wrote on last edited by
                                #22

                                @scalz
                                Could you explain how to read these rssi reports, and how to adjust the configuration of the nodes so the reliability goes up?
                                I know there is a setting RFM69_TARGET_RSSI_DBM but it is not clear for me how to use this exactly.

                                scalzS 1 Reply Last reply
                                0
                                • electrikE electrik

                                  The modules correspond to what it should be.
                                  It looks like your ground is connected to the ANT pin on the picture, on the bottom side of the PCB?

                                  H Offline
                                  H Offline
                                  hlehoux
                                  wrote on last edited by
                                  #23

                                  @electrik Thank you! What you see is the "head" of the pliers i used to hold the RFM69. I will check again my soldering but definitly ANT and ground should not be connected

                                  1 Reply Last reply
                                  0
                                  • scalzS scalz

                                    @hlehoux
                                    unfortunately, lot of devboards have non-optimized gnd plane for RF, especially for subghz (small or splitted gnd plane by routes..).
                                    Moreover, devboard+dupont cable+external rf module is not ideal.
                                    With rfm69, you should get a nice range.
                                    Though, why on one of your picture, antenna seems shorted to gnd??
                                    Imho I would have chosen something else than esp8266 (esp32??) in your case, but your choice :)

                                    To check if this is related to your gnd plane and your build is ok, you could also try to hook two straight wires as a dipole antenna to your radio (one to ANA, the other to GND in opposite direction will replace a ground plane). Google for examples, it's simple to try

                                    H Offline
                                    H Offline
                                    hlehoux
                                    wrote on last edited by
                                    #24

                                    @scalz Thank you very much!
                                    Unfortunatly, the antenna seems shorted to ground only because this is the "head" of the pliers i used to take the photo.

                                    i use esp8266 because i received for free a lot of many adafruit huzzah feathers :-)

                                    i will try your suggestion to hook two straight wires as a dipole antenna and report if this is better.

                                    For sure my "development" setup is devboard+dupont cable+external rf and this should not be the final version ; anyway loosing 50% of messages with distance of 1 meter is disappointing.

                                    hakha4H 1 Reply Last reply
                                    0
                                    • H hlehoux

                                      @scalz Thank you very much!
                                      Unfortunatly, the antenna seems shorted to ground only because this is the "head" of the pliers i used to take the photo.

                                      i use esp8266 because i received for free a lot of many adafruit huzzah feathers :-)

                                      i will try your suggestion to hook two straight wires as a dipole antenna and report if this is better.

                                      For sure my "development" setup is devboard+dupont cable+external rf and this should not be the final version ; anyway loosing 50% of messages with distance of 1 meter is disappointing.

                                      hakha4H Offline
                                      hakha4H Offline
                                      hakha4
                                      wrote on last edited by
                                      #25

                                      @hlehoux Here is a useful link how to do that: https://learn.sparkfun.com/tutorials/rfm69hcw-hookup-guide/the-antenna

                                      1 Reply Last reply
                                      0
                                      • S Offline
                                        S Offline
                                        Sasquatch
                                        wrote on last edited by
                                        #26

                                        try adding :

                                        #define MY_RFM69_FREQUENCY   RFM69_868MHZ
                                        

                                        just in case....

                                        My first prototype using dupont cables and piece of wire as antenna gave me 500m range with 3 or 4 houses between me and gateway.
                                        Try old driver, no RSSI reporting, but my whole network runs on old driver.

                                        @hlehoux 1m range is usually caused by radio type misconfiguration, like running HW radio as low power or other way round. Another possibility is faulty radio.

                                        1 Reply Last reply
                                        0
                                        • H Offline
                                          H Offline
                                          hlehoux
                                          wrote on last edited by
                                          #27

                                          Strangely, i also have another bunch of RFM69s that are marked as H but not W. What does it mean ?

                                          S 1 Reply Last reply
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