Hardware projects tagged schematics

Open hardware projects tagged schematics on BoardRepo. View schematics and PCBs in the browser and download the sources.

Projects

38 boards
tinydimmer
@virtual-machinist

ATtiny85-based 1-10V LED dimmer

schematicpcbbomgerbersUSBswitchregulatorpotentiometer
CC-BY-SA-4.00 stars0 commentsOct 4, 2026
wasp-pad
@resslr

Linux Macropad

schematicpcbbomRP2040switchdiodeled
MIT0 stars0 commentsOct 4, 2026
perception-array-interface-board
@ouxt-polaris

Overview

pcbbom
MIT0 stars0 commentsOct 1, 2026
plug-in-supply-distributor
@ouxt-polaris

PCB design files for a power distribution board that plugs into a base board.

pcbbom
MIT0 stars0 commentsOct 1, 2026
garage-door-controller
@latonita

Garage door controller with integrated motor driver 24V/36V, 7A

schematicpcbbomgerbersESP32potentiometerresistorcapacitor
MIT0 stars0 commentsOct 1, 2026
gamepad_hardware
@isobchuk

Schematic and PCB fo simple custom retro gamepad

schematicpcbbomgerbersSTM32crystalresistorcapacitor
Apache-2.00 stars0 commentsOct 1, 2026
fiberaudio-pm
@islandcontroller

A Pmod™ Compatible peripheral module featuring a pair of active optical audio transmitter/receivers

schematicpcbbomcapacitorinductorconnector
CERN-OHL-S-2.00 stars0 commentsOct 1, 2026
I2C-Level-Converter
@bluerobotics

Simple I2C Level Converter with Dronecode compatible connectors.

schematicpcbbomregulatorresistorcapacitorconnector
MIT0 stars0 commentsOct 1, 2026
spaceInvaderPCBBadge
@b1quad

A fun and simple PCB badge made using an ATTINY85 microcontroller and some LEDs.

pcbbom
CC0-1.00 stars0 commentsOct 1, 2026
wallbox-board
@dkonigsberg

Wall-O-Matic Microcontroller Interface Board

pcbbom
CC-BY-SA-4.01 star0 commentsOct 1, 2026
sd-breakout
@dkonigsberg

microSD Breakout Board

schematicpcbbomresistorcapacitorconnectorIC
CC-BY-SA-4.01 star0 commentsOct 1, 2026
Circuits
@brentseidel

A collection of my electronic circuits that may be used by other projects.

schematicpcbbomresistorconnectorIC
AGPL-3.01 star0 commentsOct 1, 2026
BF-017
@botanicfields

A printed circuit board(PCB) for discrete 555 the classic timer IC

pcbbom
CC0-1.01 star0 commentsOct 1, 2026
MatrixClock
@middelink

MatrixClock - source code, schematics and pcb layout

pcbbomgerbers
MIT2 stars0 commentsOct 1, 2026
TemperatureHumidityEPD-PCB
@kevinkessler

PCB Kicad Files for my Temperature/Humidity EPaper Display

pcbbomgerbers
AGPL-3.02 stars0 commentsOct 1, 2026
breakout_boards
@davang

Kicad project with custom breakout boards

schematicpcbbomswitchresistorcapacitordiode
AGPL-3.02 stars0 commentsSep 30, 2026
kicad
@botanicfields

kicad data, libraries, and footprints

pcbbomgerbers
CC0-1.02 stars0 commentsSep 30, 2026
BananaBoard
@cuprum77

Adapter board for 4mm Banana plugs to breadboard

schematicpcbbomcapacitorconnectormounting holefuse
CERN-OHL-S-2.03 stars0 commentsSep 30, 2026
Apple_IIe_IOU_3V3
@frozen-signal

Open source design files for the Apple IIe's IOU custom IC

schematicpcbbomFPGAresistorcapacitortransistor
CC-BY-4.04 stars0 commentsSep 30, 2026
s1nT
@usini

s1nT : A 4-Voice Polyphonic Synthetizer for Arduino

pcbbomgerbers
MIT5 stars0 commentsSep 30, 2026
Apple_IIe_MMU_3V3
@frozen-signal

Open source design files for the Apple IIe's MMU custom IC

schematicpcbbomFPGAresistorcapacitorIC
CC-BY-4.06 stars0 commentsSep 30, 2026
PongPCB
@plummerssoftwarellc

KiCad project and Gerber files for Pong Composite Video replacement PCB

schematicpcbbomgerberscrystalresistorcapacitorconnector
AGPL-3.012 stars0 commentsSep 30, 2026
tritium
@mikhail729

An open source RISC based balanced ternary computer research project

schematicpcbbomresistorconnectortransistorIC
MIT18 stars0 commentsSep 30, 2026
double-electronic-load
@virtual-machinist

LM358-based double electronic load

schematicpcbbompotentiometerresistorcapacitorconnector
CC-BY-SA-4.00 stars0 commentsSep 17, 2026
warnemuende-lighthouses
@mars3142

| Supported Targets | ESP32 | ESP32-C3 | ESP32-C5 | ESP32-C6 | ESP32-H2 | ESP32-P4 | ESP32-S3 | | ----------------- | ----- | -------- | -------- | -------- | -------- | -------- | -------- |

schematicpcbbomESP32RISC-Vresistorcapacitor
AGPL-3.00 stars0 commentsSep 17, 2026
newbrain
@flypie

Newbury/Grundy NewBrain schematics

pcbbom
GPL-3.05 stars0 commentsSep 17, 2026
estop-driver
@ouxt-polaris

PCB design files for a board that brings an emergency stop function with mechanical relays to the power supply of an autonomous mobile robot.

pcbbom
MIT1 star0 commentsSep 5, 2026
preamp-two
@futuresharks

An digitally controlled hi fi preamplifier 🔈🎵

pcbbom
GPL-3.046 stars0 commentsSep 5, 2026
hardware-design
@open-authenticator

Hardware design files for open authenticator

pcbbom
MIT41 stars0 commentsSep 5, 2026
pi485
@bvarner

An open-source TTL UART <-> RS485 converter, intended for a Raspberry Pi or Arduino

pcbbom
MIT41 stars0 commentsSep 5, 2026
isa_quaduart2
@hkzlab

This 8-bit ISA board will provide 4 serial RS232 ports using a single 16C554 controller. 2 ports are exposed on an external bracket and 2 are on internal headers.

pcbbom
CC-BY-SA-4.09 stars0 commentsSep 5, 2026
atx12vo-5vsb-to-12vsb-adapter
@randomdelta6

ATX12VO compatible +5VSB to +12VSB inline adapter

schematicpcbbomresistorcapacitorinductordiode
CC-BY-SA-4.06 stars0 commentsAug 31, 2026
guitarpedalproject
@rosnel14

Schematic & Simulation for Fuzz Effect Guitar Pedal

schematicpcbbomswitchpotentiometerresistorcapacitor
MIT0 stars0 commentsAug 31, 2026
shinsanwaswitch
@steelpuxnastik

DIY-friendly photointerrupter microswitch/lamp holder 2-in-1 for generic 100mm Chinese arcade buttons. Enables an OBSA-LHSXF+OBSA-100UMQ-like setup at low cost with generic parts.

schematicpcbbomresistorcapacitordiodeconnector
MIT0 stars0 commentsAug 31, 2026
seatalk_wifi
@atonizzo

A bridge between Raymarine's Seatalk protocol and NMEA 0183 over a WiFi network.

schematicpcbbomESP8266switchresistorcapacitor
Apache-2.012 stars0 commentsJul 9, 2026
esp32-watchdog
@janc18

Esp32-Watch

schematicpcbbomESP32USBbatteryregulator
MIT0 stars0 commentsJul 9, 2026
internet-radio-speaker
@sini6a

An open-source ESP32 Internet Radio Player with simple programming, USB charging, and on-the-go capability using a single-cell Li-ion battery.

schematicpcbbomESP32RISC-VUSB-Cswitch
GPL-3.05 stars0 commentsJul 9, 2026
raffstorecontrolsystem
@rhynaz

Web enabled relay board with hardware button support for easy smart home integration

schematicpcbbomESP32USBswitchregulator
GPL-3.00 stars0 commentsJul 9, 2026

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