# 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.

**3 device listed.**

## OpenEPaperLink Access Point C6+S3

Open-source dual-MCU access point for wirelessly managing e-paper tags. ESP32-C6 handles WiFi connectivity while ESP32-S3 serves as a 2.4GHz RF transceiver for IEEE 802.15.4 communication with electronic shelf labels.

[Details](https://openhardware.directory/devices/openepaperlink-access-point-c6-s3) | [Markdown](https://openhardware.directory/devices/openepaperlink-access-point-c6-s3/md)

## makerdiary nRF52840-MDK USB Dongle

Open-source multi-protocol wireless USB dongle based on the Nordic nRF52840 SoC. Supports BLE 5.4, Thread, Zigbee, 802.15.4, NFC, and USB 2.0 with UF2 drag-and-drop bootloader. Priced at $12.99.

[Details](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle) | [Markdown](https://openhardware.directory/devices/makerdiary-nrf52840-mdk-usb-dongle/md)

## BeagleConnect Freedom

Open-source wireless IoT board with TI CC1352P7 dual-band radio (sub-GHz + 2.4 GHz), BLE 5.0, two mikroBUS sockets for 1,000+ Click boards, and Zephyr RTOS. Designed for long-range wireless sensor networks up to 1 km.

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