# 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.

**14 device listed.**

## Raspberry Pi Pico W

Wireless microcontroller board featuring the RP2040 dual-core Cortex-M0+ processor with built-in WiFi 4 and Bluetooth 5.2 (BLE). Supports MicroPython, CircuitPython, and C/C++ development.

[Details](https://openhardware.directory/devices/raspberry-pi-pico-w) | [Markdown](https://openhardware.directory/devices/raspberry-pi-pico-w/md)

## Waveshare RP2040-Zero

Ultra-compact RP2040 microcontroller board in a tiny form factor. Features dual-core Cortex-M0+ at 133 MHz, USB-C, onboard WS2812 RGB LED, and castellated pads. Raspberry Pi Pico compatible.

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

## Adafruit Feather RP2040 SCORPIO

RP2040 Feather board with 8 consecutive 5V-level-shifted PIO outputs dedicated to NeoPixel LED strip control, 8MB flash, USB-C, and LiPo charging.

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

## Adafruit Feather RP2040 with DVI Output

RP2040 Feather board with a DVI/HDMI-compatible output port for driving displays at up to 800×480, plus LiPo charging, USB-C, NeoPixel, and STEMMA QT.

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

## Adafruit Feather RP2040 RFM69 868/915 MHz

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.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm69) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm69/md)

## Adafruit Feather RP2040 with RFM95 LoRa 915 MHz

RP2040 Feather with integrated RFM95W LoRa radio at 915 MHz (SX1276), 8MB flash, up to 20 km range, LiPo charging, STEMMA QT, and uFL antenna connector.

[Details](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm95) | [Markdown](https://openhardware.directory/devices/adafruit-feather-rp2040-rfm95/md)

## Adafruit Feather RP2040 with USB Type A Host

RP2040 Feather with a dedicated USB Type-A host port powered by a 5V boost converter, enabling connection to USB devices like keyboards, mice, and MIDI controllers alongside standard USB-C programming.

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

## Adafruit Metro RP2040

Arduino-Uno-compatible development board powered by the RP2040 with 16MB QSPI flash, microSD slot, STEMMA QT, onboard NeoPixel, USB-C, and an RX/TX switch for serial flexibility.

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

## BigTreeTech SKR Pico V1.0

Compact 32-bit 3D printer control board powered by RP2040 @ 133MHz. Designed for Voron 0.1 and small printers. 4 TMC2209 sockets, USB-C, 12–24V input. Klipper and Marlin compatible.

[Details](https://openhardware.directory/devices/bigtreetech-skr-pico-v1-0) | [Markdown](https://openhardware.directory/devices/bigtreetech-skr-pico-v1-0/md)

## BigTreeTech ADXL345 V2.0 Accelerometer Board

RP2040-based ADXL345 accelerometer board for Klipper input shaping and resonance compensation on 3D printers. Connects via USB Type-C with ESD protection. Board size: 33.25 × 15.5mm.

[Details](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-adxl345-v2-0-accelerometer-board/md)

## BigTreeTech EBB SB2209 CAN Toolhead Board (RP2040)

Toolhead board designed for the Voron StealthBurner. Powered by RP2040, supports CAN and USB, includes TMC2209, ADXL345 accelerometer, and PT100/PT1000 for Klipper 3D printers.

[Details](https://openhardware.directory/devices/bigtreetech-ebb-sb2209-can-toolhead-board-rp2040) | [Markdown](https://openhardware.directory/devices/bigtreetech-ebb-sb2209-can-toolhead-board-rp2040/md)

## BigTreeTech Eddy Eddy Current Inductive Probe

Eddy current inductive bed leveling probe for Klipper 3D printers. Offers 0.5μm precision, rapid bed mesh scanning, temperature compensation (USB), and works as Z-endstop. Mounts on standard Voron X carriage.

[Details](https://openhardware.directory/devices/bigtreetech-eddy-eddy-current-inductive-probe) | [Markdown](https://openhardware.directory/devices/bigtreetech-eddy-eddy-current-inductive-probe/md)

## BigTreeTech HBB Handheld Button Board

RP2040-based handheld button board with 7 mechanical switches and RGB NeoPixel LEDs for manual control of Klipper 3D printers. Triggers homing, heating, motor disable and other macros via USB.

[Details](https://openhardware.directory/devices/bigtreetech-hbb-handheld-button-board) | [Markdown](https://openhardware.directory/devices/bigtreetech-hbb-handheld-button-board/md)