This RGB LED control module is based on ESP-01/ 01S. It is convenient for you to control your WS2812 RGB LED ring. The module supports Arduino IDE programming, so makes it possible to DIY your lighting control system.
Main chip: ESP01/ ESP01S (the module not include the ESP-01/ ESP-01S)
Control pin: GPIO2
Interface: 3 pin PH2.0 cable
Working voltage: DC 3.7V-5V （support 3.7v Lipo battery）