Hardware

1,802 boards

KiCad boards from 760 GitHub repositories tagged “hardware”, the most starred first; open any of them in PCBKit.

2 layers45.5 × 23 mm
5V-3.3V PowerSupply
kerylfo/5V-to-3.3V-LDO-Power-Supply
5V-to-3.3V linear regulated power supply PCB designed in KiCad, verified with LTspice simulation, and optimized for low thermal resistance and low EMI.
4 parts
2 layers58 × 93 mm
RF WiFi Bridge
KHit6/RF-WiFi-Bridge
A simple hardware design to bridge between 433 MHz devices and WiFi
20 partsCERN-OHL-W-2.0
2 layers100 × 140 mm
Temperator
KHit6/temperator
Smart connected device to measure 8 temperatures and 2 AC currents
86 partsCERN-OHL-W-2.0
2 layers148 × 98 mm
Light box
kiu/lightdesk
Custom desk light and RGB strip controller
38 parts
2 layers58 × 39.5 mm
ULI-05
kmzbrnoI/uLI-pcb
Ultimate LI printed circuit board.
55 parts
2 layers55 × 70 mm
Pocket pet
kondovskii/pocket-pet
Battery-powered handheld virtual pet on a custom 2-layer STM32L433 PCB. FreeRTOS, hand-written SSD1306 and LIS3DH drivers, wake-on-motion.
38 parts
2 layers40 × 40 mm
Vibe lamp core v1
laofahai/vibe-lamp
Physical ESP32 status lamp for AI coding agents, with built-in Claude Code/Codex hooks and a generic event API.
26 partsMIT
2 layers135 × 92 mm
Curve tracer
leedanie2/curve-tracer
Programmable semiconductor curve tracer: STM32 firmware, two-layer KiCad PCB, SPICE Monte Carlo analysis, and a host-side SPICE-parameter extraction pipeline. Hardware in bring-up.
88 parts
2 layers120 × 70 mm
SMART THERMOSTAT
leo-recover/domotics
A simple domotics system using Raspberry-Pi, several smart nodes, and radio modules
64 partsMIT
4 layers36.4 × 55.2 mm
Sam fd rounded
leonrinkel/sam-fd
ATSAMC21 based CAN-FD interface
80 parts
2 layers135.5 × 123 mm
Decoder
LinuxNerd14/JBD8-16
WDC 65C02 based computer with a large RAM bank
43 parts
2 layers69.1 × 53.8 mm
LED Pong
lmtreser/LED-Pong
Pong! revisited with Arduino
14 partsMIT
2 layers50 × 36 mm
Charger buck
luffffyz/TextEDA
Agent first, human reviewable. Describe schematics and PCBs as text: typed IR, validators, KiCad export, and a reference renderer.
9 partsApache-2.0
2 layers75.1 × 53.6 mm
Shield attiny
lukas-sr/shield-attiny
Hardware Proof of Concept
9 parts
2 layers52.1 × 43.8 mm
Wemos d1 mini rgb matrix
maciejmatczak/wemos_d1_mini_rgb_matrix

10 partsMIT
2 layers100 × 100 mm
Tach v1.0
maheen-ahmed1/OptoTACH
Precision non-contact optical tachometer (0–9999 RPM/RPS) built entirely with discrete CMOS logic & 555 timers; no microcontroller, no firmware. Includes KiCad EDA, 3D model, Python simulation, and bench validation.
99 parts
2 layers97 × 97 mm
Mm main pcba gen1-reva
MakaniMotion/mm-fan-gen1
Modular DIY fan platform based on PC fan hardware, 3D-printed parts and a simple control interface.
38 parts
4 layers25.4 × 25.4 mm
STUSB4500 Breakout
makeristic/STUSB4500_Breakout
KiCad USB-C Power Delivery sink breakout using STUSB4500, with STEMMA QT I2C, screw-terminal output and RGB indication. Work in progress.
34 partsCC-BY-4.0
2 layers32.8 × 52.5 mm
Scrapped
matarga/simple-devboard
Mk1 is the internal name of this project. I am using this as a way to learn about PCB design and embedded systems and make a "final" out of it.
52 parts
2 layers33 × 20.3 mm
Ophio
maxses/hw-ophio
USB to UART adapter board (KiCad)
36 parts
2 layers120 × 25 mm
VendSensor
mayankpatel97/Vend-Sensor
Vend sensor PCB and Software for Vending Machines
49 parts
2 layers234.5 × 120.8 mm
Smk kbd devkit
mburger89/SMK_Keyboard_DevKit
59-key hot-swap mechanical keyboard PCB carrier for a socketed ESP32-C6-DevKitC-1 dev board — KiCad project generated/routed by Python scripts
148 parts
4 layers
Lora node
Mehdi-Ldj/lora-ble-sensor-node
Off-grid LoRa/BLE sensor node — 868 MHz LoRa, 2.4 GHz BLE, solar/LiFePO4
110 partsCERN-OHL-P-2.0
4 layers73 × 33 mm
CAN485-dongle
Mehdi-Ldj/usb-can-rs485-dongle
CAN-485 diagnostic gateway — rev A hardware
77 partsCERN-OHL-P-2.0