# 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. **14 device listed.** ## LILYGO T-ETH-Lite Compact ESP32-S3 development board with wired Ethernet (W5500 SPI), WiFi, BLE, microSD slot, and optional PoE and camera shields for reliable networked IoT edge nodes. [Details](https://openhardware.directory/devices/lilygo-t-eth-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t-eth-lite/md) ## LILYGO T-Connect Pro ESP32-S3 three-board stack with SX1262 LoRa, CAN, RS485, RS232, Ethernet (W5500), relay, capacitive touch LCD, and DC input — a versatile industrial IoT gateway with long-range wireless. [Details](https://openhardware.directory/devices/lilygo-t-connect-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-connect-pro/md) ## Prokyber AI-on-the-Edge-Cam Open-source ESP32-S3 camera board with PoE, microSD, and Stemma QT designed for AI-powered utility meter reading using the AI-on-the-edge-device firmware with TensorFlow Lite inference. [Details](https://openhardware.directory/devices/ai-on-the-edge-cam) | [Markdown](https://openhardware.directory/devices/ai-on-the-edge-cam/md) ## TimeHAT I226 NIC with PPS In/Out for RPi5 Open-source Raspberry Pi 5 PCIe HAT with Intel I226 2.5G Ethernet NIC, dual SMA connectors for 1PPS input/output, built-in TCXO, and M.2 slot for GNSS modules. Ideal for PTP grandmaster clocks. [Details](https://openhardware.directory/devices/timehat-i226) | [Markdown](https://openhardware.directory/devices/timehat-i226/md) ## FriendlyElec NanoPi R3S LTS Compact 57×57mm dual-GbE router board with RK3566 quad-core Cortex-A55, up to 2GB RAM, 32GB eMMC, HDMI, and USB-C power — the long-term-support mini network appliance from FriendlyElec. [Details](https://openhardware.directory/devices/friendlyelec-nanopi-r3s-lts) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r3s-lts/md) ## FriendlyElec NanoPi R76S Ultra-compact 58×58mm dual 2.5GbE router board with RK3576 octa-core, up to 4GB LPDDR4X, 32GB eMMC, and USB-C 5V power — a high-throughput mini network appliance for home lab and edge networking. [Details](https://openhardware.directory/devices/friendlyelec-nanopi-r76s) | [Markdown](https://openhardware.directory/devices/friendlyelec-nanopi-r76s/md) ## PJRC Teensy 4.1 High-performance microcontroller with NXP i.MX RT1062 ARM Cortex-M7 @ 600MHz, 1MB RAM, 2MB Flash, 100Mbps Ethernet PHY, SD card, 55 GPIO, dual 480Mbps USB, and 3 CAN Bus. Expanded Teensy 4.0 sibling. [Details](https://openhardware.directory/devices/pjrc-teensy-4-1) | [Markdown](https://openhardware.directory/devices/pjrc-teensy-4-1/md) ## NanoPi R6S High-performance RK3588S router board with 8GB LPDDR4X, 32GB eMMC, native Gigabit + dual 2.5GbE, HDMI 2.1 (8K), USB 3.0, and 6 TOPS NPU — ideal for OpenWrt/FriendlyWrt router, NAS, and edge computing. [Details](https://openhardware.directory/devices/nanopi-r6s) | [Markdown](https://openhardware.directory/devices/nanopi-r6s/md) ## NanoPi R4S Popular RK3399 dual-GbE router board with 2x Cortex-A72 + 4x Cortex-A53, 4GB LPDDR4, dual Gigabit Ethernet, 2x USB 3.0, metal case option, and OpenWrt/FriendlyWrt support — the go-to affordable open-source router platform. [Details](https://openhardware.directory/devices/nanopi-r4s) | [Markdown](https://openhardware.directory/devices/nanopi-r4s/md) ## NanoPi R2S Budget dual-GbE router board with RK3328 quad-core Cortex-A53 at 1.3GHz, 1GB DDR4, native + USB 3.0 Gigabit Ethernet, and USB-C power — the most affordable open-source OpenWrt router platform at just $27. [Details](https://openhardware.directory/devices/nanopi-r2s) | [Markdown](https://openhardware.directory/devices/nanopi-r2s/md) ## NanoPi R5S-LTS RK3568B2 router board with quad-core Cortex-A55 at 2.0GHz, up to 4GB RAM, 32GB eMMC, native GbE + dual 2.5GbE, M.2 PCIe, 2x USB 3.0, HDMI 4K, and USB-C PD — the mid-range OpenWrt router with long-term support. [Details](https://openhardware.directory/devices/nanopi-r5s-lts) | [Markdown](https://openhardware.directory/devices/nanopi-r5s-lts/md) ## NanoPi R5C Compact dual 2.5GbE router with RK3568B2 quad-core Cortex-A55 at 2.0GHz, up to 4GB RAM, dual USB 3.2, HDMI, M.2, and 0.8 TOPS NPU in a tiny 58\u00d758mm form factor — the small-footprint 2.5G OpenWrt router. [Details](https://openhardware.directory/devices/nanopi-r5c) | [Markdown](https://openhardware.directory/devices/nanopi-r5c/md) ## NanoPi R6C RK3588S router board with 4x Cortex-A76 + 4x Cortex-A53, up to 8GB RAM, 32GB eMMC, native GbE + 2.5GbE, M.2 NVMe, HDMI 8K, 6 TOPS NPU, and USB-C PD — the mid-range RK3588S router with NVMe storage support. [Details](https://openhardware.directory/devices/nanopi-r6c) | [Markdown](https://openhardware.directory/devices/nanopi-r6c/md) ## NanoPi R2S Plus Enhanced RK3328 dual-GbE router with quad-core Cortex-A53 at 1.4GHz, 1GB DDR4, 32GB eMMC onboard, dual Gigabit Ethernet, optional WiFi, and metal case — the R2S upgrade with built-in storage for reliable OpenWrt routing. [Details](https://openhardware.directory/devices/nanopi-r2s-plus) | [Markdown](https://openhardware.directory/devices/nanopi-r2s-plus/md)