RIMU is an open-source touchscreen input device designed for HID control, modular expansion, and more

RIMU is an ESP32-S3-based open-source touchscreen input device with a modular design and a 4.3-inch touchscreen interface. Additionally, it features Wi-Fi, Bluetooth, an 8GB memory, a USB+OTG port, a 1020mAh battery, and a tripod mount, ensuring portability and versatility.

The RIMU also supports HID keyboard emulation, allowing it to function as a customizable input device for various applications, including creative industries, accessibility, education, industrial automation, and home automation. It comes with pre-loaded apps for software like KiCad, Photoshop, and VLC, along with built-in tools such as a base converter and a parallel resistance calculator. The device is modular so it enables users to expand functionality with additional modules, such as a PWM switch module for controlling LEDs and motors. All these features make this device suitable for a lot of applications.

Touchscreen Input Device RIMU Specifications

• Processor: ESP32-S3 microcontroller
• Display: 4.3-inch color LCD touchscreen
• Connectivity:
  • Wi-Fi
  • Bluetooth
• Storage: 8GB memory
• I/O Interfaces:
  • USB + OTG port
  • Tripod mount
• Power:
  • 1020mAh rechargeable battery
• Expandability:
  • Modular design with various expansion modules
  • PWM switch module for controlling LEDs, motors, etc.
• HID Functionality:
  • Keyboard, mouse, and gamepad emulation
• Dimensions
  • 118 mm x 73 mm

RIMU runs open-source firmware, allowing users to customize and expand its functionality. It supports HID emulation for keyboards, mice, and gamepads, enabling seamless interaction with various devices. The software includes pre-loaded applications for tools like KiCad, Photoshop, and VLC, along with built-in utilities such as a base converter and parallel resistance calculator. Over-the-air (OTA) firmware updates ensure continuous improvements, while its modular architecture encourages community-driven enhancements and third-party integrations.

At the time of writing, the RIMU open-source touchscreen input device is in the preproduction stage and will be launched in March 2025. More information about the device can be found on the company’s official products page or on their Kickstarter page.

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