Motion sensing night light
Description
Motion sensing night light to light of bathroom Arduino code: //basic night light // A0 pin for LDR // A1 pin for motion sensor // LED1 led output on pin 9 // LED2 led output on pin 10 int LED1 = 9; int LED2 = 10; void setup () { // set up I/O pinMode(A0,INPUT); pinMode(A1,INPUT); pinMode(LED1,OUTPUT); pinMode(LED2,OUTPUT); // for serial monitor - watch LRD and motion sensor values Serial.begin(9600); } void loop(){ // read sensors int lightValue = analogRead(A0); int motionValue = analogRead(A1); // set lights to off,for start up and after lights are turned on // with motion digitalWrite(LED1,LOW); digitalWrite(LED2,LOW); Serial.println("light"); Serial.print(lightValue); // if it is dark then look for motion if(lightValue>50) { // look for motion if(motionValue>100) { // if motion, then turn on lights digitalWrite(LED1,HIGH); digitalWrite(LED2,HIGH); delay(120000); } else { digitalWrite(LED1,LOW); digitalWrite(LED2,LOW); } Serial.println("motion"); Serial.print(motionValue); } else { delay(300);
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