Description

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 ADC conversion by the built-in MCU, a signal value with up to 12-bit resolution is output. It also integrates a programmable RGB LED for status indication and interactive display. It is suitable for applications such as human-machine interfaces, smart home systems, and motor speed control.

Chain Angle integrates an STM32G031G8U6 core MCU and uses a UART serial cascade communication protocol. Through two HY2.0-4P expansion interfaces, more Chain series devices can be connected to build richer interactive applications.

Features

M5Stack Chain series
Potentiometer knob input
STM32G031G8U6 core MCU
1x RGB LED
Uses UART serial cascade communication protocol
2x HY2.0-4P expansion interfaces for extending Chain series devices

Includes

1 x Chain Angle
1 x Chain Bridge

Applications

Smart home control
Human-machine interface
Volume control
Motor speed control

Specifications

Specification	Parameter
MCU	STM32G031G8U6
Input Power	DC 5V
Communication	UART 115200bps@8N1
Interface	2x HY2.0-4P
RGB LED	1x WS2812C
RGB Power On Consumption	21.13mA
Rotation Angle	280 10
Operating Temperature	0 ~ 40C
Product Size	23.9 x 23.9 x 28.2mm
Product Weight	8.4g
Package Size	138.0 x 93.0 x 26.0mm
Gross Weight	11.7g

Learn and Documents

DOCUMENTS

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Chain Angle (STM32G031)