int forcePin = A0;
int forceReading = 0;
int ledPin = D2;
int ledBrightness = 0;


void setup() {
    pinMode(ledPin, OUTPUT);
    Particle.variable("Force Reading", forceReading);
}

void loop() {
    forceReading = analogRead(forcePin);
    ledBrightness = map(forceReading,0,4095,0,255);
    analogWrite(ledPin, ledBrightness);
    delay(100);
}