Hardware projects tagged arduino

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

Projects

60 boards
lnpowersupply
@mean00

Overengineered DC/DC power supply

schematicpcbbomresistorcapacitortransistorconnector
MIT00Jul 9, 2026
esp8266weatherstation
@mirkosertic

A simple weather station based on ESP8266 and BME280. Exports data to MQTT / HomeAssistant

schematicpcbbomresistorbattery
MIT00Jul 9, 2026
stryfe-mod
@jeff-winn

Just a little project to mod a Nerf blaster with Arduino compatible hardware and Bluetooth support.

schematicpcbbomresistorbatteryICnRF52840
MIT00Jul 9, 2026
ufo-controller
@derickson2402

Flight controller, high-brain flight planner, PCB and 3D print designs, and documentation for a completely DIY smart racing drone

schematicpcbbomICconnector
GPL-3.000Jul 9, 2026
hotwaterrecirculatingpump
@nilsro

Automation of hot water recirculation pump via ESP32

schematicpcbbomcapacitorresistorconnectorIC
AGPL-3.000Jul 9, 2026
sfb
@technik-gegg

Firmware code for Smart Filament Buffer

schematicpcbbomICconnectorswitch
GPL-3.000Jul 9, 2026
batterytester
@designer2k2

Arduino Shield to test 1-3S LiPo´s

schematicpcbbomresistorconnectordiodetransistor
GPL-3.000Jul 9, 2026
mmc5603-module
@hackableelectronics

MMC5603 AMR sensor module using STEMMA QT / Qwiic

schematicpcbbomcapacitorresistorconnectorIC
LGPL-2.100Jul 9, 2026
pedestriansense
@kostelidisdev

Development of an automatic traffic light with pedestrian detection using Arduino, distance sensors, LEDs and an audible signal, with automatic adjustment transition in case of presence or absence of pedestrians.

schematicpcbbomresistorICbatterybuzzer
MIT00Jul 9, 2026
charlieplexedheart
@cesarotoniel

Charlieplexed LED sequencer with the shape of a heart. Intended to be mounted on wired LED sign and not on the PCB.

schematicpcbbomICbatteryledresistor
Apache-2.000Jul 9, 2026
phecmeter
@inzynierdomu

Ph and EC meter based on Arduino nano

schematicbomresistortransistorICconnector
MIT00Jul 9, 2026
urumbu_usb_stepper_motor
@seanp2001

A modular approach to prototyping machines that move in the FabLAB

schematicpcbbomcapacitorresistorICconnector
MIT00Jul 9, 2026
electronics-lc-meter
@andres-garcia-alves

A Capacimeter + Inductometer based on Arduino Nano.

schematicpcbbomresistorcapacitorICmounting hole
GPL-3.000Jul 9, 2026
little-big-scroll
@tweetydabird

A family of macropads featuring a large Encoder wheel and (1?)/4 or 6 keys.

schematicpcbbomcapacitorresistorconnectormounting hole
CC-BY-SA-4.000Jul 9, 2026
molenet
@comnets-bremen

MoleNet: A Wireless Underground Sensor Network platform

schematicpcbbomcapacitorresistordiodeconnector
GPL-3.000Jul 9, 2026
mikrobus
@michpro

Collection of add-on boards in mikroBUS™ standard

schematicpcbbomrelayconnectorresistorcapacitor
CERN-OHL-P-2.000Jul 9, 2026
amr_krabbler
@maxikuehn

University Project, combining robotics, 3d-Printing and PCB-design.

schematicpcbbomconnectorICbatterydiode
MIT00Jul 9, 2026
openrcdg
@dot1nt

An Arduino based rc drift gyro

schematicpcbbomcapacitorresistorconnectorIC
GPL-3.000Jul 9, 2026
pov-led-clock
@qb-creates

POV Clock using an ATmega32 microcontroller.

schematicpcbbomcapacitorresistordiodeIC
MIT00Jul 9, 2026
raesp_gateway
@cziter15

:satellite: A standalone device project featuring SX1278 and ESP8266 components, serving as a radio-WiFi gateway. The primary objective is to provide support for OOK remote power outlets, with the flexibility for potential future integration of LoRa 433 and other communication protocols, thanks to its adaptable hardware.

schematicpcbbomcapacitorresistorICregulator
GPL-3.000Jul 9, 2026
pingboard
@pingtechgmbh

Mini keyboard with just four keys for core macros.

schematicpcbbomICconnectorcapacitorled
MIT00Jul 9, 2026
mini4wdchrono
@pimentoso

Software for Arduino based 3-lane lap timer for Tamiya Mini4wd.

schematicpcbbomconnectormounting holeICresistor
MIT00Jul 9, 2026
megadesk
@gcormier

Open-source IKEA Bekant controller board

schematicpcbbomcapacitorresistordioderegulator
GPL-3.000Jul 9, 2026
esptiny
@tomtor

KiCad ATtiny84/x14/x02 (SMD) and ESP-01 (ESP 8266) PCB boards

schematicpcbbomcapacitorresistorICdiode
GPL-3.000Jul 9, 2026
nano2uno-adapter-3v3
@cmb27

A circuit board to adapt 3.3V Arduino Nano boards the the Arduino UNO form factor.

schematicpcbbomcapacitorswitchconnectorIC
CERN-OHL-P-2.000Jul 9, 2026
dw-link
@felias-fogg

An Arduino-based debugWIRE hardware-debugger

schematicpcbbomcapacitorresistorconnectortransistor
GPL-3.000Jul 9, 2026
arduino_pro_mini_xl
@michpro

ATmega1284P uC module in Arduino Pro Mini format

schematicpcbbomcapacitorresistorinductorcrystal
CERN-OHL-P-2.000Jul 9, 2026
common-kitchen-timer-with-lcd-replacement-board
@makersfunduck

A replacement PCB board for common 4 digit 7 segment LCD kitchen timers.

schematicpcbbomresistorcapacitorregulatorIC
GPL-3.000Jul 9, 2026
waveshare_epaper_picture_frame
@rob-g2-365

E-Ink Picture Frame using and Atmega 328P

schematicpcbbomresistorcapacitorcrystalIC
MIT00Jul 9, 2026
electricity-meter
@ondras12345

An STM32-based datalogger for electricity meters with pulse LED

schematicpcbbomfuseresistorcapacitordiode
MIT00Jul 9, 2026
bartender
@dburnsii

The intelligent, robotic, drink making machine of the future!

schematicpcbbomconnectorresistordiodetransistor
GPL-2.000Jul 9, 2026
modular-biped
@makerforgetech

An open source framework for creating a bipedal modular companion robot.

schematicpcbbombuzzercapacitorconnectorled
GPL-3.000Jul 9, 2026
antc3
@hxelec

150g Antweight Combat Robot project (Hirex)

schematicpcbbombatteryconnectorswitchled
GPL-3.000Jul 9, 2026
eprom-emu-ng
@kris-sekula

EPROM Emulator Project with Arduino

schematicpcbbomcapacitorresistorconnectortransistor
Apache-2.000Jul 9, 2026
irrigation32
@paulino

Arduino - HomeAssistant irrigation controller

schematicpcbbomconnectorresistorcapacitorfuse
Apache-2.000Jul 9, 2026
gulu_esp32-c3_epaper
@plaenkler

ESP32-C3 based ePaper Devboard

schematicpcbbomcapacitorresistorinductorconnector
BSD-3-Clause00Jul 9, 2026
klipper_nano_expander
@orobardet

Klipper Nano Expander, an Arduino Nano Shield to be used as an auxiliary Klipper MCU

schematicpcbbomcapacitorresistorconnectorIC
MIT00Jul 9, 2026
catwan_usb_stick
@electroniccats

An Open Source USB Stick compatible with LoRa and LoRaWAN with Cortex M0+. To connect, review and analyze packages of LoRa®

schematicpcbbomcapacitorresistorcrystalantenna
GPL-3.000Jul 9, 2026
cocktailmachine
@robustrobot23

KiCad files for cocktail machine PCB

schematicpcbbomresistorcapacitordioderegulator
MIT00Jul 9, 2026
sim-racing-shields
@dmadison

Add-on circuit boards ("shields") for connecting Arduino development boards to sim racing equipment.

schematicpcbbomresistorconnectorledIC
GPL-3.000Jul 9, 2026
px-core
@oprobots

Placa multiusos, pensada para casi cualquier tipo de robot

schematicpcbbomconnector
GPL-3.000Jul 9, 2026
kamaji
@iley

A quiz game system

schematicpcbbomcapacitorresistorICtransistor
MIT00Jul 9, 2026
buhsat-v0
@sadteeto

buh

schematicpcbbomresistorcapacitorinductorbattery
MIT00Jul 9, 2026
modbusrtu-test-shield
@cmb27

A shield for Arduino boards that provides an RS-485 transceiver, RS-232 transceiver, and a selection of buttons, lights, and knobs.

schematicpcbbomresistorpotentiometercapacitorconnector
CERN-OHL-P-2.000Jul 9, 2026
lorapromini
@foorschtbar

A low power LoRaWAN Node

schematicpcbbomcapacitorresistorantennaIC
MIT00Jul 9, 2026
badge-appsecpnw-2024
@electroniccats

Badge AppsecPnw 2024

schematicpcbbomresistorcapacitorfuseregulator
GPL-3.000Jul 9, 2026
long-range-remote-lora-nrf-wifi-bluetooth
@rmingon

A compact, hand-held remote that combines Wi-Fi / Bluetooth (ESP32), 2.4 GHz nRF24L01+ and 868/915 MHz LoRa (RFM95W)

schematicpcbbomresistorregulatorICtransistor
CERN-OHL-S-2.000Jul 9, 2026
arduino_uno_pet_puller
@sh123

Alternative Arduino UNO based shield and firmware for Petalot

schematicpcbbomresistordiodecapacitorIC
GPL-2.000Jul 9, 2026
driverino
@weirdgyn

BLDC motor driver based on Arduino Micro Pro and TI MCT8316ZR

schematicpcbbomresistorcapacitorcrystalfuse
GPL-3.000Jul 9, 2026
morse-code-led-blinker
@leandroebner

Designed for educational use, this minimalistic LED-based project offers an accessible and effective platform for learning the fundamentals of soldering, electronics, and programming. Originally developed for university workshops, its simplicity and modularity make it suitable for a wide range of educational settings.

schematicpcbbomcapacitorresistorICbattery
CERN-OHL-S-2.000Jul 9, 2026
irrigation-system
@danielmcmillan

Hardware and software for irrigation control and monitoring

schematicpcbbomcapacitorresistorfuseinductor
MIT00Jul 9, 2026
6ch-sound-processor
@dilshan

A 5.1-channel, analog audio processor based on PT2322 and Arduino Nano

schematicpcbbomcapacitorresistorconnectortransistor
MIT00Jul 9, 2026
ps-ohk
@blueokiris

Type with only one hand

schematicpcbbomresistorcapacitorconnector
GPL-3.000Jul 9, 2026
teekeeper
@sigeardo

An open source temperature controller for high temperature electric ovens & kilns

schematicpcbbomresistorfusecapacitorbuzzer
GPL-3.000Jul 9, 2026
mender-shield
@joelguittet

The Mender Shield illustrates the capability to run a Mender client on heterogeneous platforms

schematicpcbbomcapacitorICresistorconnector
Apache-2.000Jul 9, 2026
gb-dumper
@wodowiesel

GB-Dumper is a PCB project for Gameboy cartridge dumps and backups via Arduino Nano on spi-bus & USB

schematicpcbbomcapacitorresistorconnectorIC
CC0-1.000Jul 9, 2026
teslasmps
@devfabiosilva

DIY: High Voltage Range Switching Mode Power Supply for Embedded and Solar systems

schematicpcbbomcapacitortest pointresistordiode
Unlicense00Jul 9, 2026
rp2040_motion_logger
@rishikesh2715

An RP2040 based microcontroller with an ICM-42688 IMU, 1S Battery Charger, SD Card Connector, RGB Led, and USB Type-C connector

schematicpcbbomcapacitorresistorcrystalinductor
MIT00Jul 9, 2026
a10c-simpit-pcbs
@w3z315

A collection of my DIY PCBs, including their code, for DCS:World's A10CII

schematicpcbbomresistorledtransistorconnector
GPL-3.000Jul 9, 2026
arduino_lmeter_shield
@michpro

Arduino Inductance Meter shield

schematicpcbbomresistorcapacitorinductortransistor
CERN-OHL-P-2.000Jul 9, 2026

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