Do away with bulky PDA charging hardware
This hack shows how to do away with the charging cradle for a Toshiba PDA by and soldering the 5V power rails from the USB jack straight to the power jack. Toshiba Cradle USB Power Mod – Link
DIY Projects
A fire extinguisher striking clock
Similar to a traditional clock, the Arduino displays the time on some 7-Segment LED displays. A little more unusual is the fact that it also strikes the hours on the fire extinguisher. Just remember, fire extinguishers will explode if hit too hard. You might want to use an old, and empty, one for this project. […]
Infrared remote control receiver for Arduino
Having a remote control pass data, via an Arduino and the serial port, can be a great addition to a lot of projects. This is not the most detailed of builds, but I think there is enough information there for anyone that is already tinkering with the Arduino. There is a link to the sketch […]
Build Your Own Seismometer
With this DIY project you can record earthquakes from around the world. This is a well-documented build, but you will have to purchase some software to interface with your seismometer. This site is a good place to start your amateur seismology and research. The following papers contain descriptions of a seismometer sensitive enough to detect […]
AVR DDS signal generator
This is the second version of the AVR signal generator. This time it uses a single sided PCB to simplify the project, and has both offset and amplitude controls. All the source code and schematics are available on the website. Signal generators can be very expensive, this version shouldn’t break the bank. – Link
DIY flashlight parts
This could be fun – This site offers a wide selection of flashlight components for the DIYer in the dark. Including power regulators, various lamps/LEDs, reflectors, O-rings, and other relevant hardware. – Link Anyone ever tried them out or know of other good sources? Update: Commenter Schill recommends hitting up CandlePowerForums to get acquainted with […]
DIY guitar synth
MFOS has a very interesting and somewhat complicated guitar synth project available – The SUB-COMMANDER is a great project for the advanced electronics hobbyist/guitar player. I think there are quite a few of us out there. Obviously you can buy this functionality in a “Digi-Tech” stomp box with no soldering, troubleshooting, or swearing involved but […]