Open Hardware

Open Hardware Directory

Find Devices Flashable with Your Own Firmware.

Build your own ideas using ready-made boards — no electrical engineering degree required. Flash your firmware, customise the hardware, and make it do exactly what you want.

 

Popular searches

781devices

WiFi LoRa 32 (V4)

Dev Board
WiFi LoRa 32 (V4)

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.

Xtensa LX7 dual-core @ 240MHz, FPU, AI vector instructions, hardware AES/SHA/RSA512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$18View

LILYGO T-Beam

Dev Board
LILYGO T-Beam

ESP32 development board combining LoRa radio (SX1276/SX1278), u-blox NEO-6M GPS, 0.96" OLED display, and 18650 battery support — the go-to board for Meshtastic and LoRa tracking projects.

Xtensa LX6 dual-core @ 240MHz, FPU, HW crypto (AES/SHA/RSA)520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$31View

LILYGO T-Connect

Dev Board
LILYGO T-Connect

ESP32-S3 industrial communication board with three RS485 ports and one CAN bus — enables multi-protocol data switching for automation, sensor networks, and legacy equipment integration.

ESP32-S3-R8 Xtensa LX7 dual-core @ 240MHz512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0
~$38View

Adafruit Feather ESP32-S3

Dev Board
Adafruit Feather ESP32-S3

Feather-format ESP32-S3 board with native USB, WiFi, BLE 5.0, 8MB flash, LiPo charging, and full Feather ecosystem compatibility — a capable wireless development platform for CircuitPython and Arduino

Xtensa LX7 single-core @ 240MHz (ESP32-S3)512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$18View

PicoGlitcher V3

Security Tool
PicoGlitcher V3

Open-source voltage glitching tool for hardware security research, based on Raspberry Pi Pico 2 (RP2350) with dual high-power MOSFETs, 4 selectable voltage levels, and adjustable Schmitt trigger input

RP2350 Dual-core ARM Cortex-M33 / RISC-V Hazard3 @ 150MHz520KB SRAM4MB26 GPIOWiFi falseBLE falseZigbee falseEthernet false
~$54View

LILYGO T-Connect Pro

Dev Board
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.

ESP32-S3-R8 Xtensa LX7 dual-core @ 240MHz512KB SRAM16MBWiFi 802.11 b/g/nBLE BLE 5.0Ethernet 10/100 Mbps W5500
~$61View

PocketBeagle 2

Linux Sbc
PocketBeagle 2

Ultra-compact open-source Linux SBC by BeagleBoard.org, powered by the TI AM625 SoC with 512MB LPDDR4, USB-C OTG, and microSD — designed for deeply embedded projects where minimal size matters.

Quad-core Cortex-A53 @ 1.4GHz + Cortex-M4F (TI AM625)512MB LPDDR4microSD only
~$28View

Arduino UNO Mini Limited Edition

Dev Board
Arduino UNO Mini Limited Edition

Miniaturised collector's Arduino UNO with ATmega328P at 16 MHz in a 34.2 × 26.7 mm form factor with USB-C, individually numbered and signed by Arduino's founders.

ATmega328P @ 16 MHz2 KB SRAM32KB
~$45View

Waveshare Cobra Flex

Robot Platform
Waveshare Cobra Flex

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

ESP32-S3512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$320View

Waveshare ESP32-H2-Zero

Dev Board
Waveshare ESP32-H2-Zero

Ultra-compact castellated ESP32-H2 development board with BLE 5.2, Zigbee 3.0, Thread 1.3, and Matter support. USB-C powered with WS2812 RGB LED, 15 GPIO pins, and 4MB flash in a tiny 23.5 x 15.2mm fo

RISC-V RV32IMC single-core @ 96MHz, HW crypto (AES/SHA/RSA/ECC/HMAC)320KB SRAM4MB15 GPIOBLE BLE 5.2Zigbee Zigbee 3.0

M5Stack Air Quality Kit v1.1

Dev Board
M5Stack Air Quality Kit v1.1

ESP32-S3 based air quality monitor with SEN55 particulate/VOC sensor, SCD40 CO2 sensor, 1.54" e-ink display, 600mAh battery, and Grove connector.

ESP32-S3FN8512KB SRAM8 MBWiFi WiFi 4BLE BLE 5.0
~$90View

Milk-V Pioneer

mATX Motherboard

64-core RISC-V workstation mATX motherboard with SOPHON SG2042 @ 2GHz, up to 128GB DDR4 ECC, PCIe 4.0 x16, 5x SATA, 8x USB 3.0, dual 2.5GbE for native RISC-V development.

SOPHON SG2042Up to 128GB DDR4 ECCSPI Flash (BIOS)Ethernet 2x 2.5GbE

Pycom GPy

Dev Board
Pycom GPy

ESP32-based triple-network MicroPython board with WiFi 802.11 b/g/n, Bluetooth LE, and LTE CAT-M1/NB1 cellular. 4MB RAM, 8MB flash, 22 GPIO, breadboard-compatible. Ideal for global LTE IoT deployments

Espressif ESP32 dual-core Xtensa LX64 MB8 MB22 GPIOWiFi 802.11 b/g/nBLE BLE 4.2
~$55View

Pine64 PineTime

nRF52832
Pine64 PineTime

Open-source smartwatch built on the Nordic nRF52832 SoC with 1.3-inch IPS touchscreen, heart rate sensor, accelerometer, and week-long battery life. Runs InfiniTime, Wasp-OS, or Zephyr firmware. Price

ARM Cortex-M4F @ 64MHz, FPU, DSP, AES-128 hardware64 KB SRAM512 KB + 4 MB external SPIBLE Bluetooth 5.0 BLE
~$27View

LILYGO ESP32-S2 WOOR

ESP32 S2
LILYGO ESP32-S2 WOOR

Compact ESP32-S2-WROOM module-based development board with 4MB Flash, 320KB SRAM, native USB OTG, WiFi 802.11 b/g/n, onboard LiPo charging, and BOOT/RESET buttons for USB HID and IoT prototyping.

ESP32-S2-WROOM320KB4MBWiFi 802.11 b/g/n

Waveshare ESP32-P4-Pico

Dev Board
Waveshare ESP32-P4-Pico

Compact Pico-form-factor development board based on the ESP32-P4 RISC-V dual-core processor at 400MHz with 32MB PSRAM, 32MB flash, MIPI-DSI/CSI interfaces, onboard ES8311 audio codec with NS4150B ampl

ESP32-P4 RISC-V dual-core @ 400MHz + LP @ 40MHz, FPU, AI extensions, HW crypto (AES/SHA/RSA/ECC)768KB HP SRAM + 32KB LP SRAM + 8KB TCM32MB27 GPIO
~$11View

NanoPi R2S Plus

sbc
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 relia

ARM Cortex-A53 4x1.4GHz, RK33281GB DDR432GB eMMC 5.1Ethernet 2x Gigabit
~$30View

DFRobot Gravity Flexible RGB LED Matrix

module
DFRobot Gravity Flexible RGB LED Matrix

Flexible addressable RGB LED matrix panel with I2C control and Gravity connector, available in 8x8, 8x32, and 16x16 configurations for visual displays and lighting projects.

N/A (passive LED module)N/AN/A
~$33View

TI SK-AM62-LP Starter Kit

Linux Sbc
TI SK-AM62-LP Starter Kit

Texas Instruments AM62x Sitara low-power evaluation board with quad-core Cortex-A53, 1GB LPDDR4, microSD, 100Mbps Ethernet, USB-C, and 5V USB-C power — the LP variant optimized for ultra-low-power HMI

ti-am62x1GB LPDDR4microSD bootEthernet 100Mbps
~$229View

LILYGO T-Bat

Power Module
LILYGO T-Bat

Solar-capable power management module based on CN3065 for charging an 18650 Li-ion battery via Micro USB, solar panel input (5.3V+), or BAT input, with 5V/1A USB output for powering devices up to 1A c

CN3065 (Power Management IC)nonenone

LILYGO T-Display K230

K230
LILYGO T-Display K230

AI-capable development board powered by KENDRYTE K230 dual-core 64-bit RISC-V SoC running at 1.6GHz with KPU neural network accelerator, 4.1" AMOLED display, and LoRa connectivity in multiple frequenc

Canaan K230 Dual-core RISC-V (1.6GHz + 800MHz)512MB LPDDR416MB eMMC
~$99View

Tinker Board / S

Linux Sbc
Tinker Board / S

Raspberry Pi form factor SBC by ASUS featuring the Rockchip RK3288 SoC, 2GB LPDDR3, WiFi 802.11n+Bluetooth 4.0, Gigabit Ethernet, and 4× USB 2.0. The S model adds 16GB eMMC.

Quad-core Cortex-A17 @ 1.8GHz (Rockchip RK3288)2GB LPDDR316GB eMMC (S model) / microSD only (standard)WiFi 802.11n (WiFi 4)BLE 4.0Ethernet Gigabit
~$139View

Radxa E25

Linux Sbc
Radxa E25

Fanless Rockchip RK3568J gateway and router board with dual 2.5GbE, 4x USB 3.0, mini-PCIe with SIM slot, M.2 NVMe, and 2GB/4GB LPDDR4 — designed for networking and industrial IoT.

Rockchip RK3568J2GB / 4GB LPDDR48GB eMMCEthernet 2x 2.5 GbE
~$80View

Adafruit Feather M0 RFM95 LoRa Radio (868/915 MHz)

Dev Board
Adafruit Feather M0 RFM95 LoRa Radio (868/915 MHz)

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM95 LoRa radio at 868/915 MHz. Spread-spectrum LoRa modulation for multi-kilometre range, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz32KB SRAM256KB
~$35View

LILYGO T-Call SIM800

Dev Board
LILYGO T-Call SIM800

ESP32 board with SIM800L 2G GSM/GPRS modem for SMS alerts, voice calls, and cellular data — ideal for remote monitoring and IoT projects needing cellular fallback on a budget.

Xtensa LX6 dual-core @ 240MHz, FPU, HW crypto (AES/SHA/RSA)520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$17View

Get notified when new devices are added.

Jump into popular categories, use cases, and hardware traits across the directory.