Problem PZEM-004T Version 3.0

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Hi All,

Sorry for all the delay on posting the code as I was out of town for 2 months.

I have create a new topic on how to make the wiring connection and the source code for PZEM-004T with ESP8266 so it can display all the data on Blynk app.

Enjoy and have fun with Blynk app and PZEM

Check out the topic HERE:

PZEM-004T v3.0 and NodeMCU / Wemos Mini running on Blynk - How To procedure

[image] + [image] = [image] Hello, The purpose of this project is to have PZEM-004T v3.0 connect to NodeMCU or Wesmo Mini D1 to display data on the Blynk app. (using local Blynk server) This project is cheap to make and fun to build. PZEM cost $4.33 (AliExpress) Wemos D1 cost $2.3 (Ebay) First: make a wiring connection for PZEM-004 v3.0 and ESP8266: (either NodeMCU and Wesmo; I personally preferred Wesmos as it’s small and compact) ESP8266 5V ==> PZEM 5V ESP8266 G ==> …