BUSINESS CARD draws [CH00F]’S logo
[ch00f] is at it again, expanding the horizons of the art of PCB business cards. this one draws his logo on any computer over a USB port. The physical design of the card is heavily inspired by [Frank Zhao]’s card; both use an ATtiny85 and the V-USB package to handle the USB protocol and communications. …
APPLE MAGSAFE PROTOCOL HACKING
[Ken Shirriff] was interested in how the Apple MagSafe works. specifically he wanted to know what controlled the LED on the connector itself so he tore one open to see what is inside. There’s a chip present and he didn’t waste time figuring out how the MagSafe communication protocol works. The DS2413 chip he found …
3D printing SOME wonderful music
If you don’t mind ending up with oddly shaped 3D printed parts you can get your printer to sing to you. The display shown above is doing just that. The Lulzbot is being driven particularly to create a specific frequency of noise with its stepper motors. The results of a few different tunes are what’s …