Roendi: A Versatile Rotary Encoder with Display
Roendi, featuring an STM32L433 microcontroller, a 1.28″ round TFT display, and an Alps Alpine 15-pulse / 30-detent rotary encoder, offers a highly versatile interface. It can be easily programmed using ST-LINK/V2 or Arduino IDE, providing a flexible development environment. The open-source design of Roendi makes it perfect for custom projects, serving as a unique user interface or standalone development board with exposed pins for easy peripheral connections.
Applications and Benefits
- Flexible usage in volume control, temperature regulation, and lighting management
- Ideal for home automation systems and custom HID devices
Key Features & Specifications
- MCU: STM32L433 with USB support and Real-Time Clock (RTC)
- Display: 1.28″ Round TFT LCD Display
- Rotary Encoder: 15 Pulses / 30 Detents for precise feedback
- Memory: 128 Mbit NOR Flash
- Power Supply: 3V LDO (Low Dropout) Regulator, 400 mA
- Fully Open Source & Open Hardware
- Customizable Enclosure: Available in aluminum or 3D-printed versions, with CAD files for custom designs
- Programming Options: Supports STM32CubeIDE 1.6.1 and Arduino IDE
Accessing Resources
For full schematics, pinout diagrams, demo software, and enclosure CAD files of Roendi, visit our GitHub repository.
Crowdfunding Opportunity
This project will be crowdfunded on CrowdSupply. Support the project if you’re interested!
If you have any inquiries about PCBs or PCBA services, contact us at info@wellcircuits.com.
