Compatible Test:
 
Please make sure it compatible with your door openner before place the order. 
 
Use a needle nose plier or papaerclip to touch the two garage door teminals together.
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If the garage door opens and closes, the Smart Garage Door Opener is compatible with your garage door opener
 
 
Pre flashed ESPHome built in ESP32C3
 
For Yaml, please visit: 
https://github.com/athom-tech/esp32-configs/blob/main/athom-garage-door.yaml
 
 
Specification:
 
Chipset: ESP32C3 4M
Power: <=0.5W
Input: 5V1A
Transmission mode: Wi-Fi communication
Color: Black
Humidity: 5%-95%
Wireless Frequency: 2.4Ghz
Working Temp: ﹣20℃-75℃

Youtube Reviews:
Smart Home Garage Door Opener from Athom (works with Home Assistant!)