Sensors and Detectors

Make an LED AC Voltage Indicator Monitor Circuit

Last Updated on November 7, 2023 by Swagatam 7 Comments

The LED AC mains voltage level indicator is a circuit that can be used for displaying and monitoring the instantaneous voltage level of any 220 V or 120 V mains home AC input, through a correspondingly rising and falling LED bar graph. A simple construction and accurate result are the main features of this tiny […]