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Motion Sensor variable to use

marceltrapman Mod 7 May 2014, 12:45 last edited by

What variable should I use for the motion sensor?
Is it on off?
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marceltrapman Mod 7 May 2014, 12:47 last edited by

Got it, it is Tripped as far as I can see...
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hek Admin 7 May 2014, 12:48 last edited by

Yes. Tripped it is.
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marceltrapman Mod 7 May 2014, 13:05 last edited by

This post is deleted!
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marceltrapman Mod 7 May 2014, 13:06 last edited by

Hmm mixing things up big time here
I am going to take a break...
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Bug Reports • 23 Mar 2014, 23:37 • andriej 24 Mar 2014, 22:52

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@andriej Hi, I had problem using the main branch mysensors/Raspberry, that because of the bit-field struct (header_s) in Sensor.h They will get packed in different order on the arduino compared to the RPi (at least with my compiler, gcc). In order to fix this I created the 1.4dev branch. It uses full bytes instead of the bit-fields, but you need (of cause) to compile both the sensors (arduino) and the gateway (RPi) using the 1.4dev branch. We need to fix this in the main branch later on (and use the same files as in mysensors/Arduino/libraries/MySensors)
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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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@CodeGarage What I want is a lion powered Sensor if possible. And that in a case I can stick to the door frame. As I cannot screw or drill into the doorframe. But I have no idea how much current that draws.

Motion Sensor variable to use

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Motion Sensor variable to use

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Update RF24 library to latest version Bug Reports • 23 Mar 2014, 23:37 • andriej 24 Mar 2014, 22:52

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Meet in Malmö, Summer 2016? General Discussion • 1 Feb 2016, 15:34 • bjacobse 30 days ago

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Email notifications received twice General Discussion • 6 Feb 2023, 16:15 • Jodaille 7 days ago

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