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Second iteration with light level
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//connect LEDs based on pins | |
//the light sensor must be connected to A5 | |
int LED1Pin = 3; | |
int LED2Pin = 4; | |
int LED3Pin = 5; | |
int LED4Pin = 6; | |
void setup(){ | |
Serial.begin(9600); | |
pinMode(LED1Pin, OUTPUT); | |
pinMode(LED2Pin, OUTPUT); | |
pinMode(LED3Pin, OUTPUT); | |
pinMode(LED4Pin, OUTPUT); | |
} | |
void loop(){ | |
//read input | |
int sensorReading = analogRead(A5); | |
Serial.println(sensorReading); | |
int level = map(sensorReading, 0, 1023, 1, 7); | |
if (level > 2) { | |
digitalWrite(LED1Pin, HIGH); | |
} else { | |
digitalWrite(LED1Pin, LOW); | |
} | |
if (level > 3) { | |
digitalWrite(LED2Pin, HIGH); | |
} else { | |
digitalWrite(LED2Pin, LOW); | |
} | |
if (level > 4) { | |
digitalWrite(LED3Pin, HIGH); | |
} else { | |
digitalWrite(LED3Pin, LOW); | |
} | |
if (level > 5) { | |
digitalWrite(LED4Pin, HIGH); | |
} else { | |
digitalWrite(LED4Pin, LOW); | |
} | |
} |
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