This ESP-01S Relay Module based on the AI-Thinker ESP-01/01S WIFI module. It is designed for smart home, the internet of things, and other DIY projects. With this smart relay, you will easy to DIY your smart switch to control any device by your phone anywhere.
Features:
Working voltage: DC 5V-12V
Load: 10A/250VAC 10A/30VDC, the relay pulls 100,000 times
Control pin: GPIO0 of ESP-01/01S (Low level active)