Pre Flashed ESPHome ESP32-C3 EU Plug Cosumption monitoring Works with Home Assistant
 
The measurement error of active power about 0.2%
The measurement error of effective current is 0.5%
The measurement error of effective voltage is 0.5%
 
Build in ESP32-C3 chipset with 4M flash
 
Yaml File Download: 
https://github.com/athom-tech/esp32-configs/blob/main/athom-smart-plug.yaml
 
Specification:
 
Input voltage：100-240VAC 50/60Hz
Current：16A(Max)
Power rating：3680W
Product Size：L51*W51*H85mm
Standard：EU
Wireless standard：IEEE802.11b/g/n,2.4GHz
Housing Color：Whtie
Operation Temperature：-20℃～+50℃
Plastic material:ABS+PC
Fire-protection rating:94-V0
Package Size：62*62*86mm
Weight：80g
 
GPIOs:
 
GPIO#        Component
GPIO20      CSE7766 Rx
GPIO3         Button
GPIO5         Relay
GPIO6         Led