Review on SMAKN® Voltage Transformer Module Active by Michael Pickering

Name: SMAKN® Voltage Transformer Module Active
Item: SMAKN® Voltage Transformer Module Active
Rating: 5

September 26, 2022

It was very easy to get this working

I use two of these devices to measure AC voltage in my home energy monitor and generator. I am using Nodemcu with Arduino and Emonlib. It was very easy to get it working. After calibration it turned out +/- 0.3V. I just want to detect power dissipation and determine when the generator starts, so ideal voltage levels are not critical to me. The pinout is on the bottom of the device. I tested both 3.3 and 5.0V. Everything worked for me in 3 minutes.

Pros

Excellent design

Cons

Useless features

New products

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