Industrial Communication
Open Hardware
Discover and publish open hardware projects. Everyone is welcome to share.
High-Voltage Prototype
Electronic Arc Lighter
Open hardware electronic arc lighter project. V1.1 is a PCB design preview currently under prototype validation.
Motion Sensing
Microwave Radar Motion Sensor
A compact open-hardware motion sensor with an integrated PCB antenna, BISS0001 signal processing, and a digital detection output.
Network Storage
CM4 SATA Vault 12
A validated open-hardware 12-port SATA NAS board built around Raspberry Pi Compute Module 4 for high-capacity storage and home-server projects.
MCU Development
STM32F103RCT6 Multimedia Development Board
An open-hardware development board with LCD and touch interfaces, MicroSD, SPI Flash, EEPROM, USB serial, RS232, RTC, sensors, keys, and expansion I/O.
Electronic Pest Control
High-Voltage LED Mosquito Killer
An open-hardware mosquito trap combining blue LED attraction with a transformer-driven high-voltage grid circuit.
USB Audio
USB Hi-Fi 192K Audio Interface
An open-hardware USB audio interface with SA9227, AK4430 DAC, AK5720 ADC, MEMS microphone, analog output and media controls.
Display Interface
LT8918 LVDS to MIPI DSI Bridge Board
An open-hardware display bridge converting dual-channel LVDS input to four-lane MIPI DSI with MCU configuration and backlight control.
Power Electronics
Digital Adjustable 30V DC Power Supply
A digitally controlled 3–30V DC power module with separate voltage/current adjustment, dual displays and output switching.
Serial Interface Tool
Isolated USB UART RS232 RS485 Adapter
A multi-protocol USB serial tool combining 3.3V TTL UART, isolated RS232 and isolated RS485 on one compact board.
USB Switching & Expansion
Dual-Host 4-Port USB 2.0 Switch Hub
Four USB 2.0 outputs shared between two selectable host inputs, with pushbutton switching and external DC power.
Battery Power Platform
8-Cell 18650 Battery Array Board
A modular eight-cell 18650 battery platform with four removable dual-cell holders, clear polarity guidance, high-current power distribution, a board-edge USB-C interface, and a rigid serviceable assembly.Submission Guidelines
Image and file requirements for open hardware projects.
To keep XXboard projects easy to browse, download, and manufacture, please prepare clear images, documentation, source files, and manufacturing files before submitting a project.
Project cover image
Recommended 1200 × 800 px, 3:2 ratio, WebP / JPG / PNG, preferably under 500 KB and no more than 1 MB.
Gallery images
Recommended 1600 × 1000 px, WebP / JPG / PNG, no more than 2 MB per image. Use photos, renders, PCB screenshots, or assembly views.
Social preview image
Recommended 1200 × 630 px for sharing on social platforms, GitHub, chat apps, and link previews.
Documentation
README.md is required. PDF documentation should preferably be under 10 MB and include overview, features, pinout, usage, and build notes.
Hardware files
Recommended folders: /hardware, /images, /docs, /firmware, /mechanical. Gerber ZIP should preferably be under 20 MB.
Source file limits
KiCad / Altium / CAD source files should preferably stay under 50 MB. Avoid files over 100 MB; use external links for large videos or datasets.
Suggested repository structure: README.md, /images, /docs, /hardware, /firmware, /mechanical, and LICENSE. Please include the project license, current status, and repository link when submitting.