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Spark.publish() + PIR motion sensor
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| /* | |
| * Connected sensor | |
| * Spark.publish() + PIR motion sensor = awesome | |
| * Thanks to Adafruit for the reference and inspiration | |
| */ | |
| int inputPin = D0; // choose the input pin (for PIR sensor) | |
| int pirState = LOW; // we start, assuming no motion detected | |
| int val = 0; // variable for reading the pin status | |
| int calibrateTime = 10000; // wait for the thingy to calibrate | |
| void setup() { | |
| pinMode(inputPin, INPUT); // declare sensor as input | |
| Serial.begin(9600); | |
| } | |
| void loop(){ | |
| if (calibrated()) { | |
| readTheSensor(); | |
| reportTheData(); | |
| } | |
| } | |
| bool calibrated() { | |
| return millis() - calibrateTime > 0; | |
| } | |
| void readTheSensor() { | |
| val = digitalRead(inputPin); | |
| } | |
| void reportTheData() { | |
| if (val == HIGH) { | |
| if (pirState == LOW) { | |
| // we have just turned on | |
| Serial.println("Motion detected!"); | |
| Spark.publish("spark-hq/motion"); | |
| // We only want to print on the output change, not state | |
| pirState = HIGH; | |
| } | |
| } else { | |
| if (pirState == HIGH) { | |
| // we have just turned off | |
| Serial.println("Motion ended!"); | |
| // We only want to print on the output change, not state | |
| pirState = LOW; | |
| } | |
| } | |
| } |
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