This blog by Ian Lesnet is an interesting read. The goal of Dangerous Prototype is to release a new open source hardware project every month. They cover some interesting topics and their open source projects are pretty amazing....
This site has many circuit ideas and projects. Some of the types of projects you would find on this site are:
Drinking Water Alarm
Anti-Theft Security For Car Audios
Luggage Security System
Power Buzzer
Infrared Proximity...
You will find the projects by Steve Hoefer intersting and fun to read. Here is a little background on Steve from his site.
” For nearly twenty years I’ve been a freelance problem solver and writer. I work to remove the...
This blog covers some interesting projects and electronics fundamentals. Some of the topics covered are:
* Using a MOSFET to switch between voltages
* Standalone Temperature Logger
* Hacking a gameboy - Arduino based Gameboy...
Wire-to-board interconnection options from Sullins feature a wide range of sizes and applications
MCC’s TVS series high-power suppressors protect sensitive components from voltage spikes and transients
Evaluation boards that streamline evaluating circuit protection on RS-485 serial device ports