The M5Stack M5Stickc Mini Encoder HAT (STM32F030) is a rotary encoder extension base for M5StickC/C-CPlus, which integrates a rotary AB encoder, with button function, and comes with a standard Lego hole to facilitate the expansion of structural parts.
It contains a 200 mAh polymer lithium battery and an SK6812 RGB LED. This product can be used to remotely adjust RGB lighting and remotely control robot joints.