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

LILYGO T-Display AMOLED Lite

ESP32 S3
LILYGO T-Display AMOLED Lite

Compact ESP32-S3 development board featuring a 1.47" RM67162 AMOLED display with QSPI interface, 16MB Flash, 8MB PSRAM, Wi-Fi, Bluetooth 5, and battery charging support.

ESP32-S3R816MBWiFi 802.11 b/g/n 2.4 GHzBLE BLE 5.0
~$36View

Waveshare WAVE ROVER

Robot Platform
Waveshare WAVE ROVER

Flexible 4WD mobile robot chassis with all-metal body, ESP32 controller, 0.91\" OLED, 9-axis IMU, 3S UPS power system, and open-source firmware. Supports Raspberry Pi and Jetson Nano as host computers

ESP32-WROOM-32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$90View

Heltec ESP32-C3 Arduino Development Board

Dev Board
Heltec ESP32-C3 Arduino Development Board

Ultra-compact RISC-V development board with ESP32-C3FN4, WiFi, BLE 5.0, integrated battery management, and USB-C — ideal for low-power IoT sensor nodes and wireless prototyping.

RISC-V 32-bit single-core @ 160MHz, hardware crypto (AES/SHA/RSA/ECC)400KB SRAM4MB (SiP)WiFi 802.11 b/g/nBLE BLE 5.0

Arduino Nano 33 BLE Sense Rev2

Dev Board
Arduino Nano 33 BLE Sense Rev2

Sensor-packed Nano board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, 9-axis IMU, microphone, temperature, humidity, pressure, light, and gesture sensors — designed for TinyML and edge AI projects

ARM Cortex-M4F @ 64MHz, FPU, DSP256KB SRAM1MBBLE BLE 5.0
~$40View

LILYGO T-Keyboard

ESP32 C3
LILYGO T-Keyboard

Compact ESP32-C3 keyboard terminal with a built-in 0.99" display, Wi-Fi, Bluetooth 4.2, 400mAh battery, and a 3D-printed shell for portable wireless input applications.

ESP32-C3400KB SRAM4MBWiFi 802.11 b/g/n 2.4 GHzBLE BLE 4.2
~$19View

BigTreeTech BTT Pi V1.2

Single Board Computer
BigTreeTech BTT Pi V1.2

Single board computer by BigTreeTech with Allwinner H616 quad-core Cortex-A53, 1GB DDR3L RAM, WiFi, 100Mbps Ethernet, and 40-pin GPIO. Drop-in Raspberry Pi CM4 alternative for Klipper 3D printing.

Allwinner H616 Quad-core Cortex-A53 @ 1.5GHz1GB DDR3LNone (microSD)40-pin GPIOWiFiEthernet

Get notified when new devices are added.

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