A weblog focused on interesting circuits, ideas, schematics and other information about microelectronics and microcontrollers.
An evolution of the homebrew MP3 player - if you are interested in building your own, here is all you need.
A home-etchable, self programming development board to get you started with the CPLDs.
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This is an actual computer, built completely from scratch. I began the project in the spring of 2006, while I was taking a course on microcomputers. My Z80 system will remain a work in progress as long as I can think of new things to add to it.
After several years' worth of interruptions and procrastination, the homebrew computer project has finally become a reality. Now on the forth revision of the design, the system actually works! As this page seems to be getting its fair share of traffic lately, I'm trying to keep it reasonably up-to-date. I've also published all of the Z80 project's source code in my online source code repisitory. However, don't be shy to drop me a line if you have specific questions or would like to discuss your own project.
This mini web server is slightly smaller than a business card. There are a lot of tiny one-board servers out there, but this is probably the smallest you can etch and solder at home. Unlike many embedded web servers, files are stored on a PC-readable SD card, not in a difficult-to-write EEPROM.
A Microchip PIC based USB sound card
Very cute idea I like – a universal bus interface that talks to most chips from a PC serial terminal. It deserve to rework!
Open source USB sensor box
MCU based infrared repeater allow to control an A/V equipment that is behind a wall.