# 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.

**12 device listed.**

## 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)

## BlueMicro PyKey60

Open-source 60% mechanical keyboard PCB with RP2040 MCU, per-key RGB NeoPixel LEDs, Kailh hot-swap sockets, onboard buzzer, and USB-C. Runs KMK and CircuitPython firmware.

[Details](https://openhardware.directory/devices/pykey60) | [Markdown](https://openhardware.directory/devices/pykey60/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)

## Waveshare UGV Beast

Open-source ROS2 AI robot with tracked chassis, Raspberry Pi 4B/5, ESP32 sub-controller, 5MP camera with pan-tilt, IMU, and support for LiDAR expansion. Programmable via Python, OpenCV, and ROS2.

[Details](https://openhardware.directory/devices/waveshare-ugv-beast) | [Markdown](https://openhardware.directory/devices/waveshare-ugv-beast/md)

## DFRobot Maqueen Plus V3

Advanced micro:bit STEM robot with 8x8 matrix laser ranging, 5 line-tracking sensors with intersection recognition, magnetic encoders, PID control, and 6 RGB LEDs. Programmable via MakeCode and MicroPython.

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

## ACEBOTT QD001 Smart Robot Car

ESP32-powered 4WD mecanum wheel robot car kit with ultrasonic, IR, and line-tracking sensors. Programmable via Arduino, ACECode, and Python. Expandable with camera, AI, tank, robot arm, and GPS packs.

[Details](https://openhardware.directory/devices/acebott-qd001-smart-robot-car) | [Markdown](https://openhardware.directory/devices/acebott-qd001-smart-robot-car/md)

## Brain BioAmp Band

A stretchable, wearable multi-channel EEG electrode band by Upside Down Labs for recording brain signals. Available in 2-channel and 6-channel variants, it connects to BioAmp EXG Pill for brain-computer interface projects.

[Details](https://openhardware.directory/devices/brain-bioamp-band) | [Markdown](https://openhardware.directory/devices/brain-bioamp-band/md)

## Micro Journal Rev.3: Nadia

A 48-key ortholinear mechanical keyboard designed as a distraction-free writing companion for phones and tablets, powered by RP2040 with QMK/Vial firmware and dual rotary encoders.

[Details](https://openhardware.directory/devices/micro-journal-rev3-nadia) | [Markdown](https://openhardware.directory/devices/micro-journal-rev3-nadia/md)

## HeishaMon Communication PCB

Open-source ESP-based communication PCB for local monitoring and control of Panasonic Aquarea heat pumps via MQTT and HTTP, with Home Assistant integration and S0 energy metering support.

[Details](https://openhardware.directory/devices/heishamon-communication-pcb) | [Markdown](https://openhardware.directory/devices/heishamon-communication-pcb/md)

## Armachat FLIP

Pocket-sized open-source LoRa mesh messenger with ESP32-S3, RFM95 radio, 2.8" IPS display, and 36-key QWERTY keyboard. Runs Meshtastic and CircuitPython firmware for off-grid text communication.

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

## TrackSenger

Compact Meshtastic-compatible LoRa communicator with push-button keyboard, built around the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a 0.96" TFT display for off-grid mesh messaging.

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

## DC Boarduino

The DC Boarduino is a slim, breadboard-friendly Arduino-compatible development board based on the ATmega328 at 16MHz, with a 2.1mm DC barrel jack for 7–17V input, USB-TTL serial header, ICSP programming port, and a form factor optimized for direct breadboard insertion.

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