//Practice Exercise:
//Combining Sensors and Inputs
int photoCellPin = A0;
int photoCellReading = 0; //create a variable to hold the light reading
int switchPin = D3;
int switchState;
int ledPin = D2;
int ledBrightness = 0; //create a variable to store the LED brightness
void setup() {
//setup the LED for output
pinMode(ledPin, OUTPUT);
pinMode(switchPin,INPUT_PULLUP);
Particle.variable("light", &photoCellReading, INT); //create a cloud variable of type integer
}
void loop() {
switchState = digitalRead(switchPin);
photoCellReading = analogRead(photoCellPin); //read the photo cell reading, 0-4095
ledBrightness = map(photoCellReading, 0, 2500, 255, 0); //map this value into the PWM range (0-255) and store as led brightness
//int lightreading = map (500,0,4095,255,0);
if(switchState == LOW)
{
//digitalWrite (ledPin, HIGH);
analogWrite(ledPin, ledBrightness); //fade the led to the desired brightness
}else if(switchState == HIGH){
digitalWrite (ledPin, LOW);
}else {digitalWrite (ledPin, LOW);
}
delay(100);
}
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