Open Hardware Directory

Open-source multi-band wireless development toolkit with ESP32-U, 2.8" ILI9341 TFT display, 5 antennas, and SD card slot covering WiFi, BLE, 2.4GHz, and Sub-GHz frequency bands for security research a

RP2040-powered expansion module for Flipper Zero with DVI-D video output, 6-axis IMU motion sensor, 14-pin GPIO breakout, and USB-C. Fully open-source firmware and schematics.

Ultra-compact ESP32-C3 WiFi smart switch module with 10A relay, detached switch mode, and the smallest form factor in its class. Fits any wall box. Flashable with Tasmota for local control.

Feather-format development board combining the ATmega32u4 microcontroller with an RFM69HCW 868/915 MHz packet radio for low-power sub-GHz wireless applications.

Compact single-board computer powered by the Amlogic S905X quad-core SoC with 2GB DDR4 RAM, Wi-Fi, Bluetooth, and Gigabit Ethernet — supported by Armbian.

Larger-format dual-mode 3D printer displays in 4.3-inch, 5-inch, and 7-inch variants. STM32-based with touchscreen TFT and 12864 LCD emulation modes, SD/USB printing, compatible with Marlin.

A smart WiFi-enabled weather station with a 7.5\" e-ink display showing current conditions, humidity, pressure, and 4-day forecasts via Apple Weather. Available in USB-powered or battery-powered versi

LILYGO LoRa3 (T3 LoRa32 V1.6.1) is an ESP32 development board combining Wi-Fi, BLE, and LoRa radio (SX1276/SX1278) with OLED display and TF card slot for IoT and mesh networking.

DIY encrypted LoRa communicator kit building a pair of devices for off-grid text messaging up to 2km range. Features ESP32, LLCC68 LoRa radio, and 160×128 TFT display.

ESP32-S3 development board with a 3.5" capacitive touch IPS LCD (480x320), 16MB flash, and 8MB PSRAM. Popular for building custom HMI/UI projects with LVGL, smart home panels, and IoT dashboards.

ESP32 + SX1276 LoRa T-Beam variant optimized for the Helium IoT network — with NEO-6M GPS, AXP2101 PMU, and 18650 battery support for portable LoRaWAN network mapping and sensor nodes.

The latest Raspberry Pi single-board computer featuring a BCM2712 quad-core Cortex-A76 processor at 2.4GHz, PCIe 2.0, dual 4K HDMI output, USB 3.0, and available in 2GB, 4GB, 8GB, and 16GB RAM configu

FriendlyElec NanoPi K2 — Amlogic S905 SBC with 2GB DDR3, WiFi 802.11n, Bluetooth 4.0, 4× USB 2.0, Gigabit Ethernet, and HDMI for media and IoT Linux projects.

IP66 waterproof edge computing LoRaWAN gateway with Rockchip RK3566 quad-core Cortex-A55 SoC, SX1303+SX1250 8-channel LoRa concentrator, 2GB DDR4, 32GB eMMC, pre-installed Debian Linux with Docker, an

Arduino UNO-compatible Metro board with ESP32-S3 dual-core 240 MHz, 16 MB flash, 8 MB Octal PSRAM, WiFi, BLE 5, native USB-C, STEMMA QT, LiPoly charging, and JTAG debug header.

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

OSHWA-certified open-source ultrasound development kit built around the Raspberry Pi Pico (RP2040). Features a 60 Msps 10-bit ADC, AD8331 time-gain amplifier, and three-level bipolar pulser for NDT an

Tiny ESP32-C6 dev board with WiFi 6, BLE 5, Zigbee/Thread (802.15.4), 0.85" 128×128 touchscreen, LiPo battery charging, and breathing LED in a thumbnail-sized form factor.

LILYGO T5 2.13inch E-Paper is an ESP32-D0WDQ6 V3 development board with a 2.13-inch 212×104 e-ink display supporting 4-level grayscale, 4MB flash, TF card slot, and battery management with 4 user butt

Open-source AIoT development kit with ESP32-S3, 2.4" touchscreen, dual microphones, speaker, Wi-Fi, BLE, Matter support, 16MB flash, 16MB PSRAM, and a high-density expansion connector.

Industrial-grade network computing SBC by SolidRun, powered by the Marvell Armada 388 SoC, 1GB DDR3, 4GB eMMC, dual Gigabit Ethernet + SFP, mPCIe, SATA, and 12V DC power for router and NAS application

Premium ESP32-S3 smartwatch development platform with 2.06" AMOLED touchscreen, LoRa SX1262, GNSS, NFC, MAX98357A audio, DRV2605 haptic, AXP2101 PMIC, and 1100mAh battery.

RP2040 Feather with integrated RFM69HCW 868/915 MHz packet radio transceiver, 8MB flash, LiPo charging, STEMMA QT, and uFL antenna connector for long-range wireless mesh networks.

Upgraded ESP32-S3R2 + SX1262 LoRa dev board with 2MB PSRAM, 16MB flash, 0.96" OLED, switchable FPC/IPEX 2.4G antenna, GNSS interface, and solar input. Meshtastic and LoRaWAN ready.

Ultra-compact ESP32-C6 dev board by M5Stack with WiFi 6, BLE 5.0, Zigbee 3.0, and Thread/Matter support. RISC-V single-core at 160MHz, USB-C, RGB LED, and button in a tiny form factor.