TOMZN 1P 63A Circuit Breaker Power Monitoring DIN Relay (TOB8-63WiFi)
TOMZN 1P 63A Circuit Breaker

Available from:

Install method:
USB to Serial

GPIO #Component
GPIO00 Button 1
GPIO01 None
GPIO02 None
GPIO03 CSE7766 Rx
GPIO04 None
GPIO05 None
GPIO09 None
GPIO10 None
GPIO12 Relay 1
GPIO13 LedLink
GPIO14 None
GPIO15 None
GPIO16 None
GPIO17 None
For more accurate energy consumption measurements this device requires power monitoring calibration.

You Will need to drill out the brass tubes to open the relay. Push out the 2 diffuser and squish both sides of the button’s retainers. Slowly, flip out the board. The MCU is under.