A little bit of hardware or an unpatched Plug is helpful. The steps are described in the wiki https://github.com/arendst/Sonoff-Tasmota/wiki/Power-Monitoring-Calibration 👍 1 blakadder mentioned this issue Apr 8, 2019 RELEASE.md for module 52 (Teckin SP20) incorrect #5591 Closed Fran...