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M5Stack Chain Angle
M5Stack Chain Angle is a potentiometer knob input node in the M5Stack Chain series. As the potentiometer knob rotates, the voltage value at the sampling terminal varies within a fixed range. After analog-to-digital converter (ADC) conversion by the built-in microcontroller (MCU), a signal value with up to 12-bit resolution is output. M5Stack Chain Angle integrates a programmable RGB LED for status indication and interactive display. The Chain Angle includes an STM32G031G8U6 core MCU and uses a UART serial cascade communication protocol. M5Stack Chain Angle is suitable for human-machine interfaces, smart home systems, and motor speed control.