Electronic Hacks

Earthquake Detector

If you ever wanted to play around with a earthquake detector, this system look quite simple and well documented. “Let me admit at the outset that due to a scandalous absence of earthquakes in Northern Ireland this project has never been tested on any meaningful earth-movement whatsoever. However, the setup is sensitive enough to detect passing cars, bad-tempered neighbours slamming doors 10 metres away and pile drivers at a distance

Home Built Laser Projector

Have a look at this laser projector. It is home made but the results are fantastic! Video Example 1 Video Example 2 “This is a challenging project that to build the laser projector with professional grade :-). The most important component used for laser projectors is the laser unit, He-Ne laser had been used in early days, multi-colored mixed gas laser is currently used for high end laser projector and

Eyetop

  With a bit of hardware flying an RC helicopter can be a totally new experience. “HeliHobby’s True Vision is a state of the art device which includes a high quality sub-micro camera, sub-micro transmitter ( 2.4GHZ ), base receiver and coupled with EyeTops’s high resolution LCD Eyewear to give you the only True Vision when flying any size R/C Helicopter. True Vision is the only system which will allow

Brain-Computer Music Interface

  It is hard to imagine what will be possible with direct mind control in the next dozen years. Will we be driving cars with no steering wheel? Read the research paper (warning it is a PDF). “Researchers at the University of Plymouth created this “Brain-Computer Music Interface”, which uses two laptops to analyze brain waves and composes music based on the results. The BCMI-Piano (Figure 1) falls into the

Rapid Fire Coil Gun

Have a look at this cool rapid fire coil gun, it was created by the same guy that made this one. “The Injector is a high power solenoid designed to push the projectiles out from the magazine into the coil breach. The armature/piston is made out of the same steel as the projectiles but of a slightly smaller diameter. The length is twice as long as the coil so that

Headphone Amp Collection

Check out Sijosae’s DIY Gallery for the largest collection of headphone amps I have ever seen. “If you’re a fan of creative electronics and mint tins and other cans used as project boxes, you’ve gotta take a gander at this Korean fella’s gallery of headphone amps and other DIY projects. Really cool and creative stuff. Builders will especially want to check out some of his neat and tiddy freeform circuits

Real-Time Eye Tracking

  If you are feeling ambitious this real time eye tracking system it completely open source. Download the code and start hacking. “openEyes is an open-source open-hardware toolkit for low-cost real-time eye tracking. The purpose of openEyes is to provide a hardware design and a set of software tools useful for the analysis of eye movement data. The development of openEyes stems from the recognition in the eye tracking and