Light Sensor: How to Make Your Arduino Robots React to Light

[@buffyduhaylungsod7206]

sir sherwin gwapo

[@lunarasteria1287]

//Read the value of a light sensor
int pinLDR=A0;
int val=0;
void setup()
{
//initialize communication at 9600 bits per second
Serial.begin(9600);
}
void loop() {
val= analogRead(pinLDR);
//print the value on the serial monitor
//Go to Tools->Serial Monitor to see the values
Serial.println(val);
delay(100);
}

[@lunarasteria1287]

//turn on/off an LED using the light sensor
int pinLDR=A0;
int pinled=10;
int val=0;
void setup(){
pinMode(pinled,OUTPUT);
}
void loop(){
val = analogRead(pinLDR);
if (val