Sponde

Tanmoy Dutta

OSHWA UID

Certification Date

June 12, 2026

Country

Netherlands

This is a Bletooth Low Energy(BLE) Human Interface Device(HID) built only for scrolling. It uses AS5600 mangetic rotary position sensor and senses the rotation of a diametrically magnetized permanent magnet on a ballbearing assembly. The controller chip responsible for capturing the data via I2C interface and communicate via BLE is Nordic Semiconductor's nRF52840. The design contains housing and rotor assembly for user interaction. Powered by a LiPo battery with a built in charging circuit.

Version

Licenses

Hardware

CERN-OHL-P-2.0

Software

GPL-3.0-or-later

Documentation

CC-BY-4.0

View Documentation

Certification mark

SVG PNG

The OSHW Certification Mark shows the project's unique certification ID and makes it easy for users to quickly find this page along with the project's details. This mark can be used throughout the project's design, documentation, and promotional material.

For more details, take a look at the Certification Mark Usage Guide.

Project Type

Electronics

3D Printing

Enclosure

Keywords

mouse, HID, scrolling, BLE