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)
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