Particle Photon - Like button + IFTTT tweets every so many likes.

like-button.ino

int pushes = 0;
int frequency = 10;
int button = LOW;
int buttonPin = D0;
int ledPin = D7;

void setup() {
    pinMode(buttonPin,INPUT);
    pinMode(ledPin,OUTPUT);
}


void loop() {       

digitalWrite(ledPin, HIGH);                         // Turn LED on - for feedback
button = digitalRead(buttonPin);                    // Read if button is pushed

if (button == HIGH){                                // if the button has been pushed
    pushes++;                                       // Add +1 to the number of pushes
    digitalWrite(ledPin, LOW);                      // Turn the LED off, to indicate button works
    
    if (pushes % frequency == 0){                   // Every 10, 20, 30, 40 etc
        Spark.publish("publish",String(pushes));    // publish the number of pushes to IFTTT
   }
    
    delay(400);                                     // delay before turning LED back on (and prevent spam)
    button = LOW; 
}
delay(50);
}