Hardware projects using USB
Open USB hardware projects on BoardRepo. View the schematic, PCB, and BOM in your browser and download the sources, BOM, and Gerbers.
Projects
Power supply board for solderless breadboards
Circuit diagrams and firmware source code for Gboard DIY keyboards
weird ahh christmas ornament shaped pcb with neopixels, stm8, and battery charging support. todo add an ftdi ig?
Digitally Enhanced Power Analog (DEPA)Modular Power Distribution System featuring USB-PD negotiation and Digitally Enhanced Power Analog (DEPA) control. Designed to provide low-noise, high-efficiency power for precision mixed-signal instrumentation stacks.
A versatile ESP32-C6 expansion board featuring Wi-Fi 6 and Bluetooth 5, designed for modular integration in proof-of-concept embedded projects. Supports QSPI, SPI, I2C, and UART interfaces for flexible connectivity with host MCUs. Ideal for IoT and wireless applications needing low-power, high-speed communication.
ESP32C3 based PWM-fan controller board
Hardware config
Badge HackGDL v2.0 2025
a simple development board based on CH32X033F8P6 microcontroller
Bluetooth remote release for the Mamiya RZ67: ESP32-C3 firmware, KiCad PCB and enclosure. Shutter, bulb and countdown from your phone.
A custom icy-themed USB 2.0 hub with USB-C and USB-A ports, built around the SL2.1A hub controller and packaged in a custom 3D-printed case.
A 156 mm reaction-wheel cube that balances on its edge and corner — Lagrangian derivation, Simscape multibody simulation, per-corner LQR, and Teensy firmware validated against 373 s of flight telemetry.
NickLink v1.1 — compact STM32F103C8 breakout board (KiCad)
generic samd21g18a board based on arduino mkrzero
Niphargus — a slim, indestructible wireless split keyboard. ESP32 + nRF24, wired fallback, and an emergency kit hidden behind the USB port. The successor to the Rouge-Gorge.
STM32 in TQFP64 packages
Mr. Koh ESP32-C3 RISC-V Development Board
ESP32 mixed-signal sensor board (I2C + analog)
Mussel Gape Tracker circuit board designs
A weather station that sends data via Wi-Fi to Home Assistant. It uses an ESP-32 and ESPHome code. It measures temperature, humidity, pressure, air quality, wind speed, lightning distance and energy, and whether it is raining.
Physical ESP32 status lamp for AI coding agents, with built-in Claude Code/Codex hooks and a generic event API.
Noninvasive electrode array with a plug-in sensor board, a front-end amplifier chain, and STM32H7B0 MCU to sample data and transfer to SD card or over USB CDC.
An STM32H743 development board with on-board USB-HS and CAN-FD (up to 8Mbit/s)
RP2040 Based devboard
poc pcbs for artsfest thing
Mechanical Numerical Keypad with local Audio FX The desire to make this little keypad came from idea to reuse a some of the parts from a broken keyboard someone gave me.
UniQHW
KiCad project for designing a 4x4 programmable mechanical macropad, including schematic and PCB layout.
BugCON Badge 2025
Badge HackGDL 2026
ESP32-P4 all in one computer with x4 USB hosts Audio, HDMI, MIPI CSI, MIPI DSI, LiPo battery operation, Ethernet with POE
Development board for GateMateA1 CCGM1A1 FPGA from Cologne Chip with PS2 VGA 64Mbit RAM RP2040
The Vulnerable Satellite Hacking Platform for Learning Through Research
Development board for ESP32-P4 Dual core RISCV processor from Espressif
This repository contains every single PCB that i have ever designed. The major applications used are Kicad and EasyEDA
A pcb with an adresseble RGB led christmas tree you can give away as a christmas card.
Carte electronique d'un afficheur holographique Pepper's Ghost : CAO KiCad 4 couches entierement generee par du code et verifiee automatiquement
6 key macropad with USB microcontroller CH552T
Mcu controlled three phase motor driver with PPM input
Just a project for me to learn some PCB design
Open-source PIC18(L)F45K50 module board
Archival hardware/firmware for the MM54104 Digitalker chip
Open-source OBD-II simulator board: emulates a vehicle ECU per SAE J1979 and ISO 15031-5 over CAN. ESP32-S3 + MCP2515, 21 simulated parameters, DTC bank with MIL.
Teensy 2.0 Risc-V dropin Arduino promicro lookalike with special features
Universal Serial Bus (USB) Port Slice for BREAD
Breakout and Development board for the ATmega32u4-MU MCU from Atmel
Development repository for the Ultramote long distance camera release system
Blog post, hardware & firmware files for my custom PCB business card
Lap timer, EKA 2 sem PWR
the hackable open-source esp32 wifi controlled quadcopter
WateringSystem v2.3 (Hardware-Managed LDO Architecture)
Link to Video — composite video + USB-C power replacement for the NES RF modulator. OSHWA certified open source hardware, UID US002842.
PCB for CyberBot with USB connector
Crabik Slot ESP32-S3 Hardware
Spark-AE is a synth module designed for the AE Modular format. It is based on the Daisy Seed embedded DSP platform.
MSX2+ FPGA implementation with bells and whistles.
KiCAD hardware schematic and layout files for the clackotron project
KiCad project for the SojournerST closed-loop Motor Driver Board
嵌入式自动化测试工具
A credit-card-sized PCB that runs a neural network: ESP32-S3, 6-axis IMU, and 24 LEDs wired as the network itself. Draw a digit in the air and watch the activations light up