Hardware projects tagged hardware
Open hardware projects tagged hardware on BoardRepo. View schematics and PCBs in the browser and download the sources.
Projects
Custom keyboards and keymaps
ATtiny85-based 1-10V LED dimmer
MODULO DE CONTROLE DE CARRINHO DE BRINQUEDO
A breakout board for Pololu micro metal gearmotor encoder connectors.
NebulaTune is a HF reciever with a direct conversion single balanced diode product detector and a Si5351 as a local VFO. The VFO, encoder and the display are all controlled by the RP2350. I will get parts soon and start documenting the build process. Website soon
Custom Raspberry Pi Pico-compatible development board designed from scratch in KiCad 10 using the RP2040 microcontroller.
Half a BYTE
KiCad breakout board and Arduino driver for the Linear Technology LTC1446 dual 12-bit SPI DAC
Two-channel brushed DC motor driver in KiCad. Discrete IRLZ44N H-bridges, IR2104 gate drivers, per-channel current sense and quadrature encoder inputs, on a 74 x 56 mm board with a Raspberry Pi Pico.
An RP2040 devboard created with a guide from Hack Club
ESP32-basierter GNSS/GPS-Empfänger mit Bluetooth-Ausgabe der Positionsdaten (KiCad-Hardwaredesign)
Hardware design drawed in KiCAD using AM26LS31x (quadruple differential line driver).
ESP32C3 based PWM-fan controller board
NickLink v1.1 — compact STM32F103C8 breakout board (KiCad)
A simple SDIO breakout FeatherWing adapter board (KiCad)
Physical ESP32 status lamp for AI coding agents, with built-in Claude Code/Codex hooks and a generic event API.
Smart connected device to measure 8 temperatures and 2 AC currents
A simple hardware design to bridge between 433 MHz devices and WiFi
Battery-powered ATmega328P data logger with RTC and dual EEPROM — designed in KiCad, optimized from 4-layer to 2-layer PCB.
Hardware design of the CIMPLC
KiCad project files for a BNO085 breakout board.
KiCad hardware design for a battery-powered Bluetooth speaker — STM32WB15 BLE SoC, TDA7297 audio amplifier, switching power regulation.
Schematic and PCB fo simple custom retro gamepad
Carte electronique d'un afficheur holographique Pepper's Ghost : CAO KiCad 4 couches entierement generee par du code et verifiee automatiquement
Breakout board for RAK811/RAK4200 LoRa adaptable nodes, small size, used when both AA battery holders were installed.
Archival hardware/firmware for the MM54104 Digitalker chip
Breakout and Development board for the ATmega32u4-MU MCU from Atmel
🍞 A small footprint design used to easily add a few push-buttons and LEDs to a breadboard
ATSAML1x Breakout Board
NWPi custom PCB - Power module for Raspberry Pi Zero inside NumWorks calculator
Breakout board for SE050 Secure Element
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
A custom circuit connecting 16 high-current IR LEDs, designed for integration with Raspberry Pi and imaging projects.
Simple adapter boards converting dual-row 1.27 mm connectors to standard 2.54 mm headers for breadboard-friendly prototyping.
Carrier PCB joining a WEMOS D1 Mini (ESP8266) to a Sensirion SCD30 CO2/RH/T sensor. Script-generated KiCad.
13 in 1 multi-sensor module
Using the Meow Meow you can make anything into a key just by connecting a few alligator clips
Faulty Cat is a low-cost Electromagnetic Fault Injection (EMFI) tool, designed specifically for self-study and hobbiest research.
Tracker of CatWAN Family
Point Controller for Raillway Model
Adaptive traffic-light FSM on the Arduino UNO R3 — pedestrian preemption, LDR-gated night mode with HC-SR04 vehicle detection, and a multiplexed 7-segment countdown. Fully non-blocking.
Networked rotating ultrasonic radar system built on the Deneyap Kart 1A (ESP32-S3), with a real-time web dashboard served directly from the board.
A smart thermostat built on the ESP32 platform featuring environmental sensing, e-paper/LVGL display, deep sleep power management, and multiple connectivity options (WiFi, Bluetooth, Blynk IoT).
Simple 3/4" binding post to USB adapter for power supplies
Capacitive Touch Button Module for ESP32-Zip
ESP32 Infra-Red Receiver
A Pi pico devboard
a better through-hole hand-solderable RCM
Hardware files for Wisteria, the Nerves e-ink name badge
Rebooting a device that refuses to reboot
Bast BLE is all the best in the world format Feather and BLE with a Nordic NRF!, Feather pin to pin compatible with a USB port type C
DIY Clock Module powered by 555 Timers
Transistor based flip-flop Circuit designed in KiCad.
This repository contains the design files for a reliable and safe 12V DC Regulated Power Supply. The circuit is designed to convert an AC input (from a transformer) into a stable 12V DC output, focusing on high-voltage safety, heat management, and low-ripple performance.
DIY giant 7‑segment display made from green COB LED strips on perfboard (145×65 mm digit, 5 V, 90 mA per segment).
Kinetic Art Clock consisting of LCD displays
Implementación de videojuegos mediante la biblioteca VGAX de Sandro Maffiodo
KiCad PCB shield design for an Arduino Mega-based multi-zone security system. Two-layer, through-hole, hand-solderable board replacing the breadboard prototype.
Active audio signal splitter to drive multiple parallel stompboxes
Custom MachXO2 FPGA Development Board - KiCad Design - Power, Clock, JTAG, LEDs - By Jay Waghmare