This module mainly contains a 5050 RGB LED, fully compatible with micro:bit control board.
When using, connect the RGB module to micro:bit control board using Crocodile clip line.
There are total 6 rings on the module. Note that three V rings are connected. V ring for 3V; R G B ring is separately connected to signal pin (0 1 2) of micro:bit main board.
When three signal pins are LOW, module will gradually show red, green and blue light.