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MySensor Moteino Gateway board for Raspberry PI2

lafleur last edited by

I built these for my own use, a PCB that will interface a Moteino, Moteino MEGA or RFM69H(W) to a Raspberry PI2 (its should also work with a B+, but I do not have one for testing)
Board is about 2.1 x 2.75... At this point its still a prototype, not a production board.

I have a few (6) extra board (PCB only) at $8 each with shipping in USA. (contact me direct tom .. at .. lafleur .. us)

Full information with schematics and Gerber files located at:

https://github.com/trlafleur/Moteino-PI2-Gateway.git
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General Discussion • • ToSa

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I would really like to get OTA working here as it's freezing outside and I have to go there to update the software in the greenhouse control system. So please, can we have a 'how to' step-by-step guide to OTA? Please? S.
Node with only sendBatteryLevel into Home Assistant
Hardware • • Arno

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Great! I'm glad it works and thank you very much for reporting back!
Does MySensors require Arduino Timer 2?
Hardware • mysensors interrupt nano interrupts esp • • OldSurferDude

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I have success! (oops, that's suppose to be Timer1) I only sample for 1/60 of a second. What I did was to back up all the timer registered I used and then resorted them after I was done sampling. (As opposed to initializing the registers in setup and then starting the timer when needed.) Now I have a Nano sampling the data and sending it to a MySensors Gateway on an RPi3B+ which then sends it to an MQTT broker runing on an old laptop. Also running on the laptop is Home Assistant running inside of VirtualBox. If MySensors does use Timer1, it appears that restoring the registers allows it to be shared. //------------------------------------------------------ISR ISR(TIMER1_OVF_vect){ // interrupt service routine for overflow TCNT1 = TimerPreloadValue; // must be first line! starts the timer counting again digitalWrite(TRIGGER_START_SAMPLE_PIN,HIGH); samplesVolts[--sample]=analogRead(VOLTS_IN_PIN); // decrement before capturing samplesCurrent[sample]=analogRead(CURRENT_IN_PIN); digitalWrite(TRIGGER_START_SAMPLE_PIN,LOW); if (!sample){ // count down to zero digitalWrite(TRIGGER_START_SAMPLE_PERIOD_PIN,LOW); // indicate that sampling is complete samplingEnd = micros(); TCCR1B &= 248; // turns off timer } } //------------------------------------------------------sampleOneCycle void sampleOneCycle(){ // back up timer registers uint8_t TCNT1_b = TCNT1; uint8_t TCCR1B_b = TCCR1B; uint8_t TCCR1A_b = TCCR1A; uint8_t TIMSK1_b = TIMSK1; // configure timer which starts the sampling noInterrupts(); // disable all interrupts TCCR1A = 0; TCCR1B = 0; TCNT1 = TimerPreloadValue; // preload timer //TCCR1B |= (1 << CS10)|(1 << CS12); // 1024 prescaler TCCR1B &= 248; // turns off timer? TIMSK1 |= (1 << TOIE1); // enable timer overflow interrupt ISR // demark sampling sample = NUMBER_OF_SAMPLES; // count down to zero digitalWrite(TRIGGER_START_SAMPLE_PERIOD_PIN,HIGH); samplingStart = micros(); TCNT1 = 65535; // first trigger right away! TCCR1B |= 1; // turns on timer interrupts(); // enable all interrupts // wait for sampling to be complete while(digitalRead(TRIGGER_START_SAMPLE_PERIOD_PIN)){}; samplingEnd = micros(); // restore timer registers TCNT1 = TCNT1_b; TCCR1B = TCCR1B_b; TCCR1A = TCCR1A_b; TIMSK1 = TIMSK1_b; }
"Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design"
Hardware • • wrendral

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@wrendral said in "Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design": I will go with a Li-Po Battery type: 304048 3.7V 1200mAh Might work, but maybe the internal protection will trigger with the high current peaks. I'd suggest you plan a 0 Ohm, (2512/THT) resistor as R2 and then replace it with a 100Ohm/1Watt if the protection triggers.
Best VOC sensor for detecting a wide range of VOC's?
Hardware • • NeverDie

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@eiten I haven't yet made any progress on finding a good VOC sensor, but along the way I did find out something interesting regarding CO2: namely, if you sleep with your bedroom door closed at night, then the odds are good that the CO2 levels rise to surprisingly high and unhealthy levels. The better CO2 sensors are factory calibrated and never again need recalibration for the life of the sensor (usually around 10 years or so), because they are used in HVAC systems to control fresh air intake to guarantee indoor air quality. As a for instance, here is one such CO2 sensor: https://www.digikey.com/en/products/detail/senseair/006-0-0008/15790694 At around $50 for just the sensor element itself, it's not exactly cheap, but then again, I'd say it's worth it, because who wants to be burdened by remembering to calibrate their CO2 sensors? Ideally, I'd like to find a sensitive VOC sensor that also will never require calibration. Nearly all, and maybe all, of the off-the-shelf IAQ montoring stuff that you might buy for, say, $300 or less seems to require periodic calibration. For that reason, this might be one of those occasions where build is rather than buy.
Which one should i choose? PIR or microwave sensor
Hardware • • h01

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Supposedly PIR doesn't work through glass (e.g. if looking for motion through a window), whereas I presume a microwave sensor might still work.

MySensor Moteino Gateway board for Raspberry PI2

Suggested Topics

Over the air updates
General Discussion • • ToSa

Node with only sendBatteryLevel into Home Assistant
Hardware • • Arno

Does MySensors require Arduino Timer 2?
Hardware • mysensors interrupt nano interrupts esp • • OldSurferDude

"Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design"
Hardware • • wrendral

Best VOC sensor for detecting a wide range of VOC's?
Hardware • • NeverDie

Which one should i choose? PIR or microwave sensor
Hardware • • h01

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MySensor Moteino Gateway board for Raspberry PI2

Suggested Topics

Over the air updates General Discussion • • ToSa

Node with only sendBatteryLevel into Home Assistant Hardware • • Arno

Does MySensors require Arduino Timer 2? Hardware • mysensors interrupt nano interrupts esp • • OldSurferDude

"Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design" Hardware • • wrendral

Best VOC sensor for detecting a wide range of VOC's? Hardware • • NeverDie

Which one should i choose? PIR or microwave sensor Hardware • • h01

0Online

11.2kUsers

11.1kTopics

112.5kPosts

Over the air updates
General Discussion • • ToSa

Node with only sendBatteryLevel into Home Assistant
Hardware • • Arno

Does MySensors require Arduino Timer 2?
Hardware • mysensors interrupt nano interrupts esp • • OldSurferDude

"Remote Irrigation with LoRaWAN: LM27313 Challenges and PCB Design"
Hardware • • wrendral

Best VOC sensor for detecting a wide range of VOC's?
Hardware • • NeverDie

Which one should i choose? PIR or microwave sensor
Hardware • • h01

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