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#include<Wire.h> int ldr; void setup(){ Wire.begin(0x08); Serial.beign(9600); Wire.onReceive(receiveEvent); Wire.onRequest(sendData); pinMode(13,OUTPUT); digitalWrite(13,LOW); } void loop(){ ldr=analogRead(A0); if(ldr<50){ digitalWrite(13,HIGH); } else{ digitalWrite(13,LOW); } Serial.print(ldr); delay(100); } void receiveEvent(int howMany){ while(Wire.available()){ c=Wire.read(); digitalWrite(13,c); } } void sendData(){ Wire.write(ldr); }
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