push_ifttt_event

ifttt_button.py

import requests
import time
import serial

special_link = "https://maker.ifttt.com/trigger/kevin/with/key/o2jagJdkxIUnPkL4mosDT"
time_of_last_event = 0;
def triggerEvent(switchID):
     print('calling trigger event')
     # How long has it been since the switch was last pressed?
     global time_of_last_event
     time_now = time.time()
     time_since_last_event = time_now - time_of_last_event

     # Only do something if it enough time has passed that we know it's not noise
     if time_since_last_event > 0.5:
          print('pressed!')
          payload = {}
          payload["value1"] = str(switchID)
          # Tell IFTTT about the event
          requests.post(special_link, data=payload)
          time_of_last_event = time_now
     else:
          pass

def main():
     ser = serial.Serial('/dev/cu.usbmodem1411', 9600) # Establish the connection on a specific port
     time.sleep(3)
     pressed = False



     while True: # Loop forever
          time.sleep(.1) # Delay for one tenth of a second so we are not talking all the time
          ser.write(b'request') # Send message to arduino to request values
          arduino_says = ser.readline().strip() # Read the newest output from the Arduino
          print(arduino_says)

          if(arduino_says == b"on"):
               # Only run triggerEvent if this is the first time it's been pressed
               if pressed is False:
                    triggerEvent(1)
               else:
                    pass
               pressed = True
          elif(arduino_says == b"off"):
               pressed = False
          else:
               print('received something else')



if __name__ == '__main__':
     main()

read_inputs.ino

/*
Arduino sketch to send switch values over serial when requested.
*/


// ------ Configuration settings
                 
int inputPin = 2;                    // input pin used for the switch

// ------



int ledPin = 13;                      // use the onboard LED pin for debugging purposes
int inByte = 0;                       // incoming serial byte


// This function is run when the arduino turns on (only once)
void setup() 
{ 
    pinMode(inputPin, INPUT);     // initialise input pin mode
    Serial.begin(9600);               // initialise the serial connection at 9600 baud

    pinMode(ledPin, OUTPUT);          // set the LED's pin as an 'output' pin
    while (!Serial) {
        ;                             // wait for the connection to initalise 
    }
} 


// This function is run continuously
void loop() 
{
  int buttonState = 0; 
    // only send results when requested
    if (Serial.available() > 0) {    // listen for a command over serial
        
        // get incoming byte:
        inByte = Serial.read();
        buttonState = digitalRead(inputPin);
        int switchValue = digitalRead(inputPin);

        if (buttonState == HIGH) {
          digitalWrite(ledPin, HIGH);
          Serial.println("on");
        }
        else {
          Serial.println("off");
          digitalWrite(ledPin, LOW);
        }

        // toggle onboard LED to show something received
        int oldLedValue = digitalRead(ledPin);
        int newLedValue = !oldLedValue;
        //digitalWrite(ledPin, newLedValue);

    }
}