# 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.

**21 device listed.**

## DezKVM Go

Open-source KVM-over-USB device for controlling headless computers from your laptop. Features HDMI capture up to 1080p 25fps, virtual keyboard/mouse via USB HID, and a browser-based interface requiring no drivers.

[Details](https://openhardware.directory/devices/dezkvm-go) | [Markdown](https://openhardware.directory/devices/dezkvm-go/md)

## iCESugar-Pro FPGA Development Board

Open-source Lattice ECP5 FPGA dev board with 24K LUTs, 32MB SDRAM, 32MB SPI flash, 106 GPIO pins in DDR SODIMM form factor. Supports fully open-source toolchain (Yosys + Nextpnr) and RISC-V Linux.

[Details](https://openhardware.directory/devices/icesugar-pro) | [Markdown](https://openhardware.directory/devices/icesugar-pro/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)

## Louder Raspberry HAT Plus

Open-source Raspberry Pi audio HAT featuring TAS5825M Class-D amplifier with integrated DSP, delivering 32W per channel at 8 ohms. Includes 15-band parametric EQ, FIR filtering, DRC, IR input, and onboard step-down converter to power the Pi from 7-26V.

[Details](https://openhardware.directory/devices/louder-raspberry-hat-plus) | [Markdown](https://openhardware.directory/devices/louder-raspberry-hat-plus/md)

## 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 inputs.

[Details](https://openhardware.directory/devices/picoglitcher-v3) | [Markdown](https://openhardware.directory/devices/picoglitcher-v3/md)

## pic0rick Pico Ultrasound Pulse-Echo System

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 and education.

[Details](https://openhardware.directory/devices/pic0rick) | [Markdown](https://openhardware.directory/devices/pic0rick/md)

## madflight FC3v2 RP2350B Flight Controller

Open-source flight controller board with RP2350B MCU, 10-DOF sensor suite (gyro, accelerometer, barometer, magnetometer), INA226 battery monitor, microSD with 4-bit SDIO, and DC-DC converter. 50.7x41.6mm, 6.3g.

[Details](https://openhardware.directory/devices/madflight-fc3v2-rp2350b) | [Markdown](https://openhardware.directory/devices/madflight-fc3v2-rp2350b/md)

## CUBEEK CubeSat Educational Kit

Open-source 1U CubeSat educational kit powered by Arduino Pro Mini with LoRa communication, multi-sensor payload (IMU, barometer, GPS, temperature), solar-powered EPS, and ground station dashboard for learning satellite engineering.

[Details](https://openhardware.directory/devices/cubeek-cubesat-educational-kit) | [Markdown](https://openhardware.directory/devices/cubeek-cubesat-educational-kit/md)

## Flipper Zero Video Game Module

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.

[Details](https://openhardware.directory/devices/flipper-zero-video-game-module) | [Markdown](https://openhardware.directory/devices/flipper-zero-video-game-module/md)

## Adafruit PyGamer

Handheld gaming console and dev board powered by ATSAMD51J19 (120MHz Cortex-M4F) with a 1.8" TFT display, 5 NeoPixels, accelerometer, and Feather-compatible headers. Runs MakeCode Arcade, CircuitPython, or Arduino.

[Details](https://openhardware.directory/devices/adafruit-pygamer) | [Markdown](https://openhardware.directory/devices/adafruit-pygamer/md)

## Adafruit HalloWing M4 Express

Skull-shaped ATSAMD51J19 dev board (120MHz Cortex-M4F) with a 1.54" 240×240 IPS TFT, 4 capacitive touch inputs, 4 NeoPixels, accelerometer, speaker driver, and LiPoly charging. Perfect for Halloween props and wearables.

[Details](https://openhardware.directory/devices/adafruit-hallowing-m4-express) | [Markdown](https://openhardware.directory/devices/adafruit-hallowing-m4-express/md)

## Circuit Playground Bluefruit

Round educational microcontroller with Nordic nRF52840 (64MHz Cortex-M4F + BLE), 10 NeoPixels, accelerometer, microphone, light sensor, speaker, 8 alligator-clip I/O pads, and USB. Runs CircuitPython, MakeCode, and Arduino.

[Details](https://openhardware.directory/devices/circuit-playground-bluefruit) | [Markdown](https://openhardware.directory/devices/circuit-playground-bluefruit/md)

## Adafruit Feather STM32F405 Express

High-speed Feather-form-factor dev board with STM32F405 ARM Cortex-M4F @ 168MHz, 1MB Flash, 192KB RAM, 2MB SPI Flash, USB-C, STEMMA QT, SD card socket, and LiPo charging. Adafruit's fastest CircuitPython board.

[Details](https://openhardware.directory/devices/adafruit-feather-stm32f405-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-stm32f405-express/md)

## Adafruit ItsyBitsy nRF52840 Express

Tiny breadboard-friendly Bluetooth LE board with Nordic nRF52840 Cortex-M4F @ 64MHz, 1MB Flash, 256KB RAM, 2MB QSPI Flash, 21 GPIO, and native USB — all in a 36×17.6mm footprint. Supports CircuitPython and Arduino.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-nrf52840-express) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-nrf52840-express/md)

## Adafruit Feather nRF52840 Sense

Sensor-rich BLE Feather with Nordic nRF52840 (64MHz Cortex-M4F), 6 onboard sensors (9-DoF IMU, magnetometer, proximity/light, PDM mic, humidity, barometric pressure), 21 GPIO, and FCC/IC/TELEC certified.

[Details](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense/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)

## Adafruit Feather M4 CAN Express

CAN-bus-capable Feather with ATSAME51J19 ARM Cortex-M4F @ 120MHz, built-in CAN transceiver + 5V booster, USB-C, 21 GPIO, 2MB SPI Flash, dual DAC, and LiPo charging. Ideal for automotive and industrial CAN Bus projects.

[Details](https://openhardware.directory/devices/adafruit-feather-m4-can-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m4-can-express/md)

## BBC micro:bit v2

Upgraded BBC micro:bit with Nordic nRF52833 Cortex-M4F, Bluetooth 5.1, 5×5 LED matrix, 2 buttons, capacitive touch logo, built-in speaker and MEMS microphone, edge connector, and low-power mode. Same form factor as v1.

[Details](https://openhardware.directory/devices/bbc-micro-bit-v2) | [Markdown](https://openhardware.directory/devices/bbc-micro-bit-v2/md)

## Arduino Uno R3

The quintessential beginner microcontroller board with ATmega328P @ 16MHz, 32KB Flash, 2KB SRAM, 14 digital I/O, 6 analog inputs, USB-B for programming, DC barrel jack, and the R3 expanded shield header. Open-source hardware.

[Details](https://openhardware.directory/devices/arduino-uno-r3) | [Markdown](https://openhardware.directory/devices/arduino-uno-r3/md)

## Adafruit Feather RP2040

Feather-form-factor board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 21 GPIO, 4 ADC, 2 PIO peripherals, USB-C with UF2 bootloader, STEMMA QT, and LiPo charging. Runs CircuitPython and MicroPython.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040/md)

## Adafruit ItsyBitsy RP2040

Tiny 36×18mm breadboard-friendly board with Raspberry Pi RP2040 dual-core Cortex-M0+ @ 133MHz, 264KB SRAM, 8MB Flash, 23 GPIO, 4 ADC, 2 PIO peripherals, and Micro-USB. Runs CircuitPython and MicroPython.

[Details](https://openhardware.directory/devices/adafruit-itsybitsy-rp2040) | [Markdown](https://openhardware.directory/devices/adafruit-itsybitsy-rp2040/md)