This WiFi relay based on AI-Thinker ESP-01/ 01S WiFi module, we use the GPIO0 of ESP-01/ 01S to control the relay by low level. It’s easy to DIY your smart switch to any device by your phone anywhere with this smart relay.
We support the APP and LUA source code, it can be used for smart home, IOT and other DIY projects.
Working voltage: DC 5V-12V
Working current: ≥250mA
Communication: ESP01 or ESP 01S WiFi module
Transmission distance: the maximum transmission distance is 400m (open environment, mobile phone equipped with WiFi module)