Home|About|Gaming cabinet|Archives|How it works|Starter sites

GeezerVison is showing hackaday.io — Hackaday.io Contests

Close

Your browser (Internet Explorer) is out of date.

Update your browser for more security, comfort and the best experience on this site.

Update Internet Explorer'

All Contests

Sort by:

Now’s the chance to put your retrocomputer project up for all to see.

Project Owner Contributor

Retrocomputing Contest

Projects that use lasers, or projects to build lasers. Point is: lasers.

Project Owner Contributor

Frikkin Lasers Challenge

The Green Powered challenge asks you to show us your creations that can run on the power they can get out of the world around the them.

Project Owner Contributor

Green Powered Challenge

The Component Abuse Challenge celebrates the use of LEDs as photosensors, capacitors as microphones, and resistors as heat sources.

Project Owner Contributor

Component Abuse Challenge

One second, sixty of them in a minute, 31 million in a year. For this challenge, design a device where something happens once per second

Project Owner Contributor

One Hertz Challenge

This challenge is all about the projects inspired by your favorite animal friends!

Project Owner Contributor

2025 Pet Hacks Challenge

Enter the 2024 Supercon Add On (SAO) challenge!

Project Owner Contributor

Supercon 8 - Add On Contest

The Tiny Games challenge invites you to have the most fun with the most minimal setup.

Project Owner Contributor

Tiny Games Challenge

All about hacks you can fit on a business card!

Project Owner Contributor

2024 Business Card Contest

Home is Where the Hacks Are

Project Owner Contributor

Home Sweet Home Automation

Trick or Treat, It's Time to Hack Halloween!

Project Owner Contributor

2023 Halloween Contest on Hackaday

Calling All Console Cowboys!

Project Owner Contributor

Cyberdeck 2023

We might be living in the digital age, but we want you to get your analog on!

Project Owner Contributor

Op Amp Challenge

10 years of innovation...how will you change the world?

Project Owner Contributor

Supplyframe DesignLab: 2023 Hackaday Prize

Bring your best low power ideas.

Project Owner Contributor

2023 Hackaday.io Low-Power Challenge

There are a lot of places you can go in person, but for all the rest, there is FPV.

Project Owner Contributor

2022 FPV Contest

It’s going to have some computing power, a display, and probably a keyboard. Unless you’ve already gotten the Chiba nerve-splicing.

Project Owner Contributor

2022 Cyberdeck Contest

Build your strangest, fanciest, flashiest, or most custom computer peripherals. Wired or wireless, weird or wonderful, we want to see it.

Project Owner Contributor

Odd Inputs and Peculiar Peripherals

A global hardware design challenge focused on widespread and impactful innovation.

Project Owner Contributor

Supplyframe DesignLab: 2022 Hackaday Prize

Design something sci-fi themed, from cosplay or props, to robots or communicators.

Project Owner Contributor

Sci-Fi Contest

The legendary contest returns: Build something using a 555 timer. How creative can you get with the world's most commonly used IC?

Project Owner Contributor

555 Timer Contest