Scroll Unit with Hollow Shaft Encoder (EC10E1220501)

The Scroll Unit is a rotary encoder expansion module designed as a scroll wheel. It combines a 12-pulse through-shaft encoder, a button input, and a WS2812C programmable RGB LED.

The built-in STM32F030 microcontroller handles encoder pulse signal acquisition with integrated firmware, allowing you to easily access encoder values through I2C read operations, making the process much simpler. This unit is perfect for projects such as adjusting scale values or controlling volume.

Features

• Based on STM32 microcontroller
• AB phase output (12 pulses per revolution)
• Built-in button
• Multi-color WS2812C RGB LED indicator
• I2C communication interface

Specifications

MCU	STM32F030F4P6@32-bit ARM Cortex-M0 processor
Rotary Encoder	EC10E
Rotary Encoder Output	AB two-phase quadrature output
Rotary Encoder Pulses	12 pulses/revolution
RGB LED	1x WS2812C
Button	1x Button
I2C Communication Address	0x40
Operating Temperature	0-40°C
Product Size	32 x 24 x 18.9mm
Package Size	136 x 92 x 20mm
Product Weight	7.3g
Package Weight	12.7g

Resources

• Product Wiki

Package Contents

• 1x Scroll Unit
• 1x HY2.0 4-pin Grove cable (20cm)