50 V LCD AC Voltmeter - Arduino UNO | 50 V LCD AC Voltmeter - Arduino UNO | By TESLA Institute - Electrical Engineering, Electronics, Automation School | Facebook
![In this post we learn how to make a transformerless AC voltmeter circuit using Arduino which works without using a transformer | Arduino, Circuit projects, Circuit In this post we learn how to make a transformerless AC voltmeter circuit using Arduino which works without using a transformer | Arduino, Circuit projects, Circuit](https://i.pinimg.com/736x/8a/88/24/8a882419cecf310b3a91f9b5983e1c99.jpg)
In this post we learn how to make a transformerless AC voltmeter circuit using Arduino which works without using a transformer | Arduino, Circuit projects, Circuit
![pcb design - Measuring 0-240v 50-60hz Mains AC with Arduino/MCU - Electrical Engineering Stack Exchange pcb design - Measuring 0-240v 50-60hz Mains AC with Arduino/MCU - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/DC8tj.jpg)