OFFONG 16A Power Monitoring Plug (P1)
For more accurate energy consumption measurements this device requires power monitoring calibration.
How to open the plug. The ESP8266EX is on a OFFONG Wi-Fi module labeled M32-V1.0 with similar pinout to TYWE2S.
Short GPIO0 on when powering to enable flash mode (test point for GPIO0 is at the back of the M32-V1.0 PCB).