Sam writes – A few weeks back I wrote up a blog about the Doublet Headphone Amplifier which lets two people listen to the same audio source with independent volume controls. I got so many emails from folks who were interested in building one that I decided to make another run of the printed circuit […]
Craig writes in – Here are some circuit board earrings I’ve been making for years. Cut a circuit board with a Dremel cutoff wheel, sand the edges straight with a belt sander and then ultra-fine sand the edges and corners smooth. Since it is fiberglass, you must coat the raw edge with a clear nail […]
Interesting use of plastic bubble wrap. Spotted on Kevin Kelly’s Street Use. Bubble Wrap Lace Curtains – Link
An old and forgotten RFC provides a way to create applications for the iPhone that people can save and execute locally, even when offline! Back in November, I wrote about how you can store whole images inside of a URL using the RFC 2397 “data” URL format. Using this scheme on supported browsers, you can […]
Here’s a good project to do with the kiddos, HOW TO – Make a barometer… Thanks bf5man! Link.
Modern Mechanix 1933, it’s still the new hobby!
With a 35W Epilog laser 40% power, 100% speed with a 600dpi vector art image (AI) works great for laser etching an iPhone. The material on the back is a nice plastic that etched white-ish. Special thanks to Dan for experimenting… :)
