PZEM004T is all in one power sensors module. It has a Voltage sensor, current sensor, frequency sensor, power factor, power, and energy meter.
In this video, we are going to learn how to use this sensor with Arduino and NodeMCU and also make a simple wattmeter.

My Arduino Basic Course :
Coming Soon!

Join this channel to support me or to get access to perks:
   / @miliohm  

Schematic and code on video:
https://miliohm.com/pzemsensortutor...

LCD I2C Tutorial :
   • How to use I2C LCD with Arduino and h...