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小夜燈photoresisterLED.inounknown
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3 years ago
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//photoresisterLED.ino int data =-1;//光敏電阻回傳的資料 void setup() { pinMode(LED_BUILTIN, OUTPUT);//D0 Serial.begin(9600); } void loop() { // put your main code here, to run repeatedly: data = analogRead(A0); Serial.println(analogRead(A0)); if(data<5){ digitalWrite(LED_BUILTIN, LOW);//on }else{ digitalWrite(LED_BUILTIN, HIGH);//off } }
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