Open Hardware Directory

All-in-one AI coding board for STEM education with ESP32-S3, 2.8-inch touchscreen, 2MP camera, microphone, speaker, environmental sensors, WiFi, Bluetooth 5, and pre-loaded AI models for vision, voice

FriendlyElec's flagship RK3588 SBC with 4x Cortex-A76 + 4x Cortex-A53 at 2.4GHz, up to 32GB LPDDR5, NVMe M.2, dual 2.5GbE, dual HDMI out + HDMI in, 6 TOPS NPU, 8K video, 40-pin GPIO, and USB-C PD powe

Open-source ESP32 Teleinfo reader board for French Linky energy meters. Pre-flashed with Tasmota, features USB-C, WiFi, QWIIC I2C port, and RGB LED. Reads both Standard and Historique TIC formats.

ESP32-S3-BOX-3 bundle kit including the AIoT dev board with 2.4" touchscreen, dual mics, speaker, plus the DOCK stand, RGB LED module, USB-C cable, and Dupont wires.

RK3588 Arm PC with 4×HDMI inputs (4K@60Hz each), 1×HDMI 2.1 output (8K@60Hz), WiFi 6, GbE, M.2 NVMe, 4G LTE support, and up to 16GB RAM — a dedicated multi-source HDMI capture and digital signage comp

Compact breakout board for the Bosch BHI260AP AI-powered IMU, featuring a 6-axis accelerometer and gyroscope with an onboard programmable AI neural network co-processor for motion pattern recognition

Open source USB-to-serial adapter and ESP32 programmer featuring a genuine Silabs CP2102N chip, USB-C connector, auto-reset circuitry, 3.3V 500mA regulator, and ESD/overcurrent protection.

LILYGO T-TWR Rev2.1 is an ESP32-S3 based programmable walkie-talkie board featuring the SA868 UHF/VHF radio module, GPS, OLED display, and battery support for amateur radio applications.

LILYGO T3 S3 E-Paper is an ESP32-S3 LoRa development board with a 2.13-inch 250×122 e-paper display (DEPG0213BN), 4MB flash, 2MB PSRAM, WiFi, BLE 5, SX1262 LoRa transceiver, and LiPo battery support.

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.

The Netduino Plus 2 is an Arduino R3-compatible .NET Micro Framework development board with a 168MHz ARM Cortex-M4 processor, built-in Ethernet, microSD slot, and 12-bit ADC — offering C# programming

A compact, wall-mountable single-channel LoRaWAN gateway based on the HT-CT62 module (ESP32-C3 + SX1262). Designed for indoor use with a built-in PCB antenna, it can listen to over a dozen LoRa nodes

Pocket-sized x86 single board computer with Intel Celeron N5105 quad-core, 8GB LPDDR4 RAM, 64GB eMMC, Wi-Fi 6, 2.5GbE, triple display output, and an integrated Arduino Leonardo co-processor.

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-s

5-inch 800x480 IPS HDMI capacitive touchscreen display. Compatible with Raspberry Pi, BTT SBCs, and any HDMI source. USB-C data port, 3.5mm audio jack, 5-point touch, auto-driver on PC.

LoRa-enabled IoT board with SAMD21 ARM Cortex-M0+ at 48MHz, Murata CMWX1ZZABZ LoRa module, ECC508 crypto chip, 2MB SPI flash, onboard LiPo charger, and 104\u00b5A low-power mode — designed for long-ra

Ultra-compact Arduino Leonardo-compatible microcontroller board with ATmega32U4, integrated lithium battery charging, and native USB in a tiny 22x20.5mm form factor.

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

All-metal modular drive-by-wire 4WD robot chassis with ESP32-S3 controller, hub motors with built-in FOC control, CNC metal suspension, LIN bus communication, IP32 protection, and 12 kg payload capaci

Bare WiFi module with Espressif ESP32-S2 single-core Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB 1.1 OTG, and SMD pads. Intended for integration onto custom PCBs, not a standalo

Ultra-compact ESP32-PICO smart speaker dev kit (24x24mm) with built-in microphone, speaker, RGB LED, button, and Grove port. Ideal for voice assistant and audio streaming projects.

ESP8266-based WiFi expansion module for RepRapFirmware (Duet-style) boards. Adds wireless connectivity to BTT SKR V1.3, SKR V1.4 Turbo, and compatible boards running RRF or Marlin firmware.

Compact ESP8266 WiFi IoT microcontroller with Tensilica L106 at 80/160MHz, 16MB flash, 50KB SRAM, 10 digital I/O, onboard LiPo charging, 46uA low-power mode, OTA updates, and Arduino/MicroPython suppo

Compact USB-A dongle development board with ESP32-C6 RISC-V MCU, 1.14\" IPS LCD, WiFi 6, BLE 5.0, Zigbee 3.0, Thread, and microSD slot for portable IoT projects.

Compact ESP32-S3 + SX1262 LoRa development board with 0.96" OLED display, USB-C, and built-in LiPo charging. One of the primary boards for Meshtastic and LoRaWAN IoT projects.