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Mysensors Uno Shield Version 2.0

openhardware.io last edited by openhardware.io

https://www.openhardware.io/view/40/Mysensors-Uno-Shield-Version-20
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Hi Mardah, how this the progress on this project related to the software and testing? kind regards
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Very useful topic for me, thanks. Even though it's been a long time, the information was useful to me. And especially the information on the link you sent.
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@Yveaux Thanks for your response. I guess that's it. I have to burn a bootloader first :-). I have a USBasp Programmer for that. Can you point me to a wiring diagram that shows how to connect the programmer to the circuit board?
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Hi @berkseo. Thanks for the suggestion, but could you describe in more detail? As for my TODO list, there is already a task to add 485 interface to the gateway. My latest device "xRoom" have this interface. ps/ Where have you gone? I have been working on "xRoom" shield. A small announce: Do you remember the discussion about multinode? So, it will be available soon))
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I see a lot of "!TSF" and "NACK" which seems to be radio communication problems. That's MySensors related and can be related to many things, from soldering problem to power / capacitor issues. In MY_DEBUG mode you should see your temp/hum printed on serial every ~15s so there is something wrong there, either wiring or a code issue. Ty with the example included with the library "i2c_SI7021.h", without any MySensors related stuff, to see if your sensor is detected. You should see temp/hum on the serial.
Why is the output of ACS712 current measurement module unchanged?
General Discussion • mysensors • • Tessie T

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@ZenBlizzard in case you are measuring the output with a multimeter, you will get an averaged level, since AC current waveform should be sinusoidal and overlapped with the Vcc/2->2.56V in your case. To measure the current you need a decently high sampling and some math. #define SENSITIVITY 66 // mV/A const float readings = 5; const float alpha = 2.0 / (2 * readings + 1); for (ifor = 0; ifor < 250; ifor++) { // Voltage voltageSampleRead = analogRead(V) * vccRead / 1023 - vccRead / 2; /* read the sample value including offset value*/ voltageSampleSum = voltageSampleSum + sq(voltageSampleRead); /* accumulate total analog values for each sample readings*/ voltageSampleOffsetSum = voltageSampleOffsetSum + voltageSampleRead; // Current currentSampleRead = analogRead(I) * vccRead / 1023 - vccRead / 2; /* read the sample value including offset value*/ currentSampleSum = currentSampleSum + currentSampleRead * currentSampleRead; /* accumulate total analog values for each sample readings*/ currentSampleOffsetSum = currentSampleOffsetSum + currentSampleRead; wait(1); } voltageMean = voltageSampleSum / ifor; /* calculate average value of all sample readings taken*/ voltageOffset = voltageSampleOffsetSum / ifor; reading = (sqrt(voltageMean) - voltageOffset) * 230.0 / 1.0; // read voltage / reported voltage. voltage = round_to_dp(alpha * reading + (1 - alpha) * voltage,1); Serial.println(voltage); if (voltage < 25) voltage = 0; currentMean = currentSampleSum / ifor; /* calculate average value of all sample readings taken*/ currentOffset = currentSampleOffsetSum / ifor; reading = (sqrt(currentMean) - currentOffset) / SENSITIVITY * 1000 - currentZeroOffset; // subtract no load current. if (reading < 0) reading = 0; current = round_to_dp( alpha * reading + (1 - alpha) * current,2);
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Hi @aramko-aramko. Unfortunately, this model is already sold. You can look at the upgraded version of this device - MDMSNode "Lighting" Rev 1.1.
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Mysensors Uno Shield Version 2.0

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Mysensors Uno Shield Version 2.0

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💬 Dual Channel 0-10V Dimmer
OpenHardware.io • mysensors dimmer 0-10v • • openhardware.io

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Troubleshooting • mysensors • • Rysiek

Solar powered sensor board
OpenHardware.io • mysensors board • • openhardware.io

💬 MDMSGate
OpenHardware.io • mysensors gateway nrf24l01 rfm69 esp8266 atsha204a ethernet atmega328 usb mysensors gateway • • openhardware.io

💬 MySI2CNode - Node for I2C devices, CR123 or USB powered
OpenHardware.io • mysensors nrf24l01 i2c arduino pro mini cr123 micro usb • • openhardware.io

Why is the output of ACS712 current measurement module unchanged?
General Discussion • mysensors • • Tessie T

💬 MDMSNode "Lighting"
OpenHardware.io • mysensors arduino nrf24l01 rfm69 light acdc light switch • • openhardware.io

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OpenHardware.io • mysensors • • openhardware.io

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