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M5Stack Mini Angle Unit is a rotary switch unit that includes a 10KΩ potentiometer inside. The Mini Angle Unit can be used for continuous signal rotatory control for applications such as volume, brightness, or motor speed.
The M5Stack Mini Angle Unit features a potentiometer that is a manually adjustable variable resistor with three terminals. Two terminals are connected to a resistive element, the third terminal is connected to an adjustable wiper, with the wiper’s position determining the output voltage. The out voltage is captured and converted by AD on ESP32 on portB. In an M5Stack product system, typically, the Grove color indicates the type of communications. Black is single BUS (AD, DA, GPIO), Red is I2C, Blue Uart, and White is other.
