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c_cpp
2 years ago
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int ledPin = 9; void setup() { // initialize serial communication at 9600 bits per second: Serial.begin(9600); } // the loop routine runs over and over again forever: void loop() { // read the input on analog pin 0: int sensorValue = analogRead(A0); // print out the value you read: Serial.println(sensorValue); // LDR sensor value delay(50); //short delay for faster response to light. if(sensorValue >= 700){ analogWrite(ledPin, 255); delay(30); } if(sensorValue<=700) { analogWrite(ledPin, 0); delay(30); } }
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