Step16 Modular Unit Featuring 16-Bit Rotary Encoder – GSMR-16

Description

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Description

Unit Step16 is a 16-position rotary encoder control unit based on the STM32G031G8U6 microcontroller. Its core function is to acquire the BCD value of the rotary encoder in real time and visualize the 0–F hex value through the integrated 7-segment display.
The device communicates via an I2C interface and supports configuration of the rotation increment direction, display operating mode, RGB LED color, and I2C address, allowing multiple encoder units to be used on the same bus.
Featuring a clean and efficient design, it provides effective physical interaction control and real-time visual feedback, making it ideal for smart interactive devices (e.g. smart-home control panels), control interfaces (e.g. volume adjustment, RGB lighting control, motor speed regulation) and STEAM education hardware prototyping and teaching.

Features

• 16-position BCD rotary encoder
• Integrated numeric display for encoder value
• Adjustable display brightness and operating mode
• Configurable clockwise / counter-clockwise direction
• Programmable RGB LED color / brightness
• I2C communication with configurable address
• Development Platform
  • UiFlow1
  • UiFlow2
  • Arduino IDE

Includes

• 1 x Unit Step16
• 1 x HY2.0-4P Grove Cable (20cm)

Applications

• Smart interactive devices (e.g. smart-home control panels)
• Control interfaces (e.g. volume adjustment, RGB LED lighting control, motor speed regulation)
• STEAM education

Specifications

Specification	Parameter
MCU	STM32G031G8U6, 32-bit ARM Cortex-M0+, 64 MHz
Step Encoder	16 positions, 8421 BCD code
Encoder Display	7-segment display
Programmable RGB	1 x WS2812
Value Update Cycle	100 ms
Interface	I2C @0x48, address range 0x08 ~ 0x77, data retained after power-off
Standby Current	DC 5 V @ 5.85 mA
Operating Current	Display LEDs 60%: DC 5 V @ 14.76 mA Display LEDs 100%: DC 5 V @ 24.13 mA RGB LED 100%: DC 5 V @ 18.9 mA Display LED + RGB: DC 5 V @ 29.91 mA
Product Size	32.0 x 24.0 x 16.9mm
Product Weight	5.5g
Package Size	138.0 x 93.0 x 13.0mm
Gross Weight	10.9g

Rotary Encoder Usage To prolong the service life of the encoder, please rotate it with moderate force and avoid violent repeated rotations.

Learn and Documents

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