Arduino - Analog Read Voltage

Arduino - Analog Read Voltage

Analog Signal

This article is a continuation of Arduino - AnalogRead, read analog signal from potentiometer same old article, but this article add calculate ADC from 0 - 1023 to 0-5volt

Voltage = Analog value * (5.0/1023)

Arduino board read analog value from potentiometer

Example Program

	void setup()
	{
	Serial.begin(9600);
	}
	void loop()
	{
	int sensorValue = analogRead(A0);
	float voltageValue = sensorValue*(5.0/1023.0);
	Serial.println(voltageValue);
	delay(100);
	}

view raw Arduino_read_analog_voltage.ino hosted with ❤ by GitHub

After uploading the program onto the Arduino board, see the results of running the program from Serial Monitor or Serial Plotter.

Serial Monitor 

Serial Plotter