Brian writes – “As a researcher I see a lot of work done on eye movement recordings and it blows my mind that a device that used to cost upwards of $100, 000 is now in the DIY realm with open-source hardware and software…” “openEyes is an open-source open-hardware toolkit for low-cost real-time eye tracking. […]
Kanja shows how to make an awesome Chewbacca puppet – Thanks Chuck! Link. Related: Puppet building for kids – Link. Project Puppet – Link. Darth Maul Puppet – Link.
Bob writes – “Hope this will help those who want to make a small sandblast cabinet. I made it from your standard laundry tub available at any hardware or home improvement outlet. Cut two 4″ holes to allow for 4″ PVC couplers. These pieces of PVC should be about 3″ long so you can hose […]
Audioguru writes – “This project uses an LM3915 bar-graph IC driving two sets of ten LEDs for a 30dB range. The circuit is unique because it has an additional range of 20dB provided by an automatic gain control to allow it to be very sensitive to low sound levels but it increases its range 20dB […]
Thermite writes – “Here’s a better DIY pinhole camera. Integrated level and tripod mount. Uses easy to find 35mm film. Produces panoramic photos. Will produce 18shots on a roll of 24shot 35mm film.” – Link.
A ton of Makers sent this telescope in, it’s called the trackball telescope and it’s public domain, Jerry writes – “…I searched the U.S. Patent and Trademark Office database, and came up blank there, too. As near as I can tell, I have come up with a new design for a mount that not only […]
Mark shows how to make a DIY polarimeter for observing and photographing stress patterns in transparent plastic – Link. Related: Automated Photoelasticity – Link.
