# 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.

**4 device listed.**

## Heltec HT-HC32 Wi-Fi HaLow Camera

ESP32-S3 development board with integrated camera and Wi-Fi HaLow (802.11ah) module for long-range wireless video transmission up to 1-2km at speeds up to 32 Mbps. Features USB-C, SD card slot, and LiPo battery charging.

[Details](https://openhardware.directory/devices/heltec-ht-hc32) | [Markdown](https://openhardware.directory/devices/heltec-ht-hc32/md)

## BeagleV-Ahead

Open-source RISC-V single board computer with Alibaba T-Head TH1520 quad-core Xuantie C910 at 2GHz, 4 TOPS NPU, 4GB LPDDR4, 16GB eMMC, WiFi/Bluetooth, Gigabit Ethernet, micro-HDMI, and BeagleBone cape headers.

[Details](https://openhardware.directory/devices/beaglev-ahead) | [Markdown](https://openhardware.directory/devices/beaglev-ahead/md)

## BigTreeTech CB2

Compute module by BigTreeTech powered by Rockchip RK3566 quad-core Cortex-A55 at 1.8GHz, 2GB/4GB LPDDR4, 32GB eMMC, Gigabit Ethernet, WiFi 5 (802.11ac), and Bluetooth 5.2. CM4-form-factor.

[Details](https://openhardware.directory/devices/bigtreetech-cb2) | [Markdown](https://openhardware.directory/devices/bigtreetech-cb2/md)

## BigTreeTech KNOMI 2

1.28-inch round 240x240 LCD display for Voron StealthBurner toolhead. ESP32 MCU with WiFi and Bluetooth LE, shows print status, temperatures, and progress with customizable animated UI.

[Details](https://openhardware.directory/devices/bigtreetech-knomi-2) | [Markdown](https://openhardware.directory/devices/bigtreetech-knomi-2/md)