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- const int ledPin = A0; // the pin that the LED is attached to,here Iām using A0
- void setup() {
- Serial.begin(9600);
- pinMode(ledPin, OUTPUT);
- }
- void loop() {
- byte brightness;
- if (Serial.available()) {
- brightness = Serial.read();
- analogWrite(ledPin, brightness);
- }
- }
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