22. Simple voltmeter using ADC
Build a Voltmeter using Arduino UNO which measures the voltage from 0 to 5 volts.
You can use a potentiometer (1k-10k Ω) to vary the input voltage and print the detected voltage on the serial monitor.
For example
Build a Voltmeter using Arduino UNO which measures the voltage from 0 to 5 volts.
You can use a potentiometer (1k-10k Ω) to vary the input voltage and print the detected voltage on the serial monitor.