| /* |
| ReadAnalogVoltage |
| Reads an analog input on pin 0, converts it to voltage, and prints the result to the serial monitor. |
| Attach the center pin of a potentiometer to pin A0, and the outside pins to +5V and ground. |
| |
| This example code is in the public domain. |
| */ |
| |
| // 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); |
| } |
