Do you suck at billiard? How about using computer-vision to improve your shots?
An open-source Arduino IDE focused on experienced programmers, but that beginners can also use.
Unclogging a 3D printer extruder
Sometimes 3D printer extruder get clogged by plastic or by teflon tube distortions
3D Printer Thermistor Calibration
Calibrating the Ridigbot 3D printer thermistor
Software Defined Radio no parque
Just playing around with Software Defined Radio at our hackerspace weekly meeting (Text in Portuguese)
OpenSource Automatic Cat Fountain
Tired of attending your cat's requests to open the faucet? Use this automatic cat fountain!
Silk Screen FROM dummies
My first experiences with silk-screen. I'm documenting everything I learn, so other dummies like me can also create their own tees.
Home-made arcade machine
Remember the classics from your youth with this home-made arcade
An Arduino library that plays the famous catch-phrases of this Brazilian TV celebrity. Used on our hackerspace bell door
A totally fake hollywood-style bomb, used for speakers controlling time during our lightning talks
My open-source version of the hit game Doodle Jump, written in less than 100 lines of code in Processing
A cheap, open-source and collaborative device for light-painting photography
How about using your oscilloscope to displays hand-drawn images? Check this open-source software that helps you to convert an vector image into a sound wave that reproduces the original image on an oscilloscope screen
Automatically calibrating a projector image
Every wanted to have a video projector that automatically detects where the projection screen is located? Do you want to join multiple projections to create a bigger image? Want to have a moving screen being followed by the video projector? Check this circuit!
Arduino + PlayStation controller = Simon game
An open-source Arduino based Simon game, that you play with your feet on a PlayStation dance pad
My implementation of Drawdio, a simple audio synth that gererate sound with your drawings on a paper.
The original project was created by Jay Silver.
Computer screen graffiti
How about showing the world your creativity without risking some jail nights? Get your infra-red spray can and express your self using your monitor as a virtual alley-wall
My first Android game: Control a sperm at the first race of its life, and avoid dying even before you're born!