How-to identify and locate information for electronics components you can recycle from discarded gadgets. Brandon gives us example pictures and descriptions for most types of electronics components to help you stock up your home electronics lab. This is a must read for new electronics hobbyist.
http://www.uchobby.com/index.php/2007/07/15/identifying-electronic-components/
This counter would have an additional advantage, though: every time a person requests a page from my site, the counter would give a satisfying Click!. The more clicks you hear, the more people reading your pages.
http://spritesmods.com/?art=mechctr
Want super clean holes in your latest PCB? Want your PCB drill-bit's to last much longer? Tired of using your dremel as the drill press it clearly isn't? For around $30, you can build this simple PCB drill-press.
http://www.instructables.com/id/E5ENZWHF2FRVIYM/?ALLSTEPS
I called my natural gas provider one day, and asked if it was possible to get some kind of output port on my gas-meter so I could monitor how much gas I use. They denied. Then I build this passive method to build this meter. You can even use this to monitor your energy meter.
http://phk.freebsd.dk/Gasdims/
The information within these guides should be helpful to anyone who works with bare circuit boards and circuit board assemblies. These guides are packed with illustrations and videos and follow popular IPC standards.
http://www.circuittechctr.com/guides/guides.shtml
We have designed and implemented a Handwriting Recognition System using a touch screen from a Palm Pilot m125, a black and white TV and a Mega32 microcontroller.
http://instruct1.cit.cornell.edu/courses/ee476/FinalProjects/s2006/gh75/web/index.html
Here is how to build a simple little boat that moves through salt water at a snails pace via MHD propulsion.
http://www.evilmadscientist.com/article.php/MHDCraft
Whats fun, cheap, good looking, and cleans a hardwood floor with an advanced search and navigation algorithm? An electrostatic dust mop attached to a radio-controlled car. Vroom!
http://www.evilmadscientist.com/article.php/rcsweeper
Create this cool piece of art from your electronic parts bin. You will need 8 resistors 1 led and 1 scrap circuit board.
http://www.instructables.com/id/E5JCIF806TEV0FAYR2/?ALLSTEPS
This range meter detects a reflected wave from the object after sending out a ultrasonic pulse. It uses a PIC16F873. By measuring the time which returns after emitting a sound wave, a distance to the object is measured. It can measure from 29cm to 3.6m distance.
http://www.hobby-elec.org/e_pic6_6.htm