# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**2 device listed.**

## Waveshare UGV Beast

Open-source ROS2 AI robot with tracked chassis, Raspberry Pi 4B/5, ESP32 sub-controller, 5MP camera with pan-tilt, IMU, and support for LiDAR expansion. Programmable via Python, OpenCV, and ROS2.

[Details](https://openhardware.directory/devices/waveshare-ugv-beast) | [Markdown](https://openhardware.directory/devices/waveshare-ugv-beast/md)

## BigTreeTech S42C V1.0 Closed Loop Stepper Driver

NEMA 17 (42mm) stepper motor closed-loop driver board with OLED display. Uses encoder feedback to eliminate missed steps and improve high-speed 3D printer and CNC motor performance.

[Details](https://openhardware.directory/devices/bigtreetech-s42c-v1-0-closed-loop-stepper-driver) | [Markdown](https://openhardware.directory/devices/bigtreetech-s42c-v1-0-closed-loop-stepper-driver/md)