Close
316 projects
1.8k
8
5
I manage a helium recovery system. Labs use liquid helium for their experiments and I recover that helium as gas and liquidfy it.
Project Owner Contributor

Helium Recovery Recycling System

meowMeow

4k
17
11
Guitar Amplifier and effects made with Raspberry Pi and reused Vox amplifier case
Project Owner Contributor

Raspberry Pi Guitar Amplifier

dsagmandsagman

4.3k
1.6k
26
Run Xiaomi Thermometer LYWSD03MMC with a supercapacitor and mini solarpanel.
Project Owner Contributor

Solar powered Bluetooth Thermometer with Supercap

martmetMartMet

1.5k
17
15
Automatic Construction inflates concrete buildings that sequester CO2. Cheap but durable buildings that save the world
Project Owner Contributor

Automatic Construction: Inflatable Building

alex-bellAlex Bell

563
3
3
Bringing awareness to air pollution and taking action by letting people know of the effects these poisonous gases emit from their vehicles
Project Owner Contributor

Mindful Droid - Take Action against Air Pollution

michaelomotoshoMichaelOmotosho

277
1
1
Open source kick scooter that reinvents the wheel - designed for cycles. 3D printed/lasercut/CNC’d, all parts locally recycleable/reusable
Project Owner Contributor

orcuScooter - Recycleable scooter + Fab Factory

oskarOskar

6.4k
46
34
Solar Tracker based on ESP32 with low cost actuators integrated on Home Assistant
Project Owner Contributor

Home Assistant Solar Tracker

vinis-labVini's Lab

579
579
2
monitor type program embedded into option rom of ne2000 compatible card working on XT class computers
Project Owner Contributor

NE2000XT

korneliuszokorneliuszo

989
1
3
A-pet computer case, a project to bring 70s style to modern platforms.
Project Owner Contributor

A-pet computer

mjnurneyMjnurney

396
3
2
Thermal storage means brewery or cidery tank refrigeration systems don’t need to run all the time.
Project Owner Contributor

Energy saving for brewery glycol chillers

tim-bishopTim Bishop

283
2
5
Just a little over-engineered hack box I slapped together.
Project Owner Contributor

CyberDeck: P1nkPwn13

jbass1982jbass1982

777
5
6
Detect tree diseases and get informed of the results via MMS to prevent them from spreading and harming forests, farms, and arable lands.
Project Owner Contributor

IoT AI-driven Tree Disease Identifier w/ MMS

kutluhan-aktarKutluhan Aktar

1.7k
6
6
I decided to repair a disposable device and pay a little homage to a pioneering DMM.
Project Owner Contributor

Hacking a dead DT71 Electronic Tweezer

dan-julioDan Julio

4.7k
33
39
Can it save audio? It can save data too!
Project Owner Contributor

Simple Universal Modem

anders-nielsenAnders Nielsen

1.9k
21
17
LibreServo is a project with the goal of easily converting any standard size servo into the smartest servo possible.
Project Owner Contributor

LibreServo

luisLuis

3.8k
50
28
Local weather station + soil moisture sensing to give you access to the most important metrics to keep your garden/greenhouse healthy.
Project Owner Contributor

FLORA | Long Range Garden Monitoring System

yjYJ

648
0
5
An antique intercom that we use every day for our apartment block.
Project Owner Contributor

Vintage Intercom Re-purposing

peter-balchPeter Balch

113
1
1
Mini mechanical keyboard with Arduino programmable commands/macros.
Project Owner Contributor

Code Keys

saulSaul

1.4k
8
7
Project codename "Baffa-X" is a set of boards to make a MSX1 Clone for Baffa-2 Homebrew Computer
Project Owner Contributor

MSX1 Homebrew Clone for Baffa-2 Project

augusto-baffaAugusto Baffa

17.7k
152
119
An affordable Open Source Weather Station for Everyone
Project Owner Contributor

Solar Powered WiFi Weather Station V4.0

open-green-energyOpen Green Energy

2.7k
33
28
A mostly 3D printed pelton turbine
Project Owner Contributor

Printon Turbine - 3D printed pelton turbine

fabianFabian

57
0
0
Use an innovative remanufacturing routine for sheet metals to improve sustainability, circular economy and reuse instead of recycling.
Project Owner Contributor

Metal re-work for improved sustainability

daniele-farioliDaniele Farioli

2.5k
9
7
Weather forecaster, which displays the weather forecast on the screen in the form of descriptive text.
Project Owner Contributor

DIY Arduino Zambretti Weather Forecaster

mircemkmircemk

1.1k
3
8
An old AC oven motor and a solder iron converted into a wifi enabled tiny Shawarma machine
Project Owner Contributor

Micro shawarma

roni-bandiniRoni Bandini

failed to load.

Going up?

About Us Contact Hackaday.io Give Feedback Terms of Use Privacy Policy Hackaday API

© 2025 Hackaday