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- // the setup routine runs once when you press reset:
- 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);
- // Convert the analog reading (which goes from 0 - 1023) to a voltage (0 - 5V):
- float voltage = sensorValue * (5.0 / 1023.0);
- // print out the value you read:
- Serial.println(voltage);
- }
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