Homemade PSP Docking Station
Making your own homebrew PSP docking station “When my PSP arrived, it was always in my hands, but a couple of days later, the problem of having a place to put the console became stronger and stronger (especially when you have nothing but your standard pack)… I began to feel anxious… What if it falls down the table? And what if, while is on the bed, I sit on it? And so on…” Link.

Pretty interesting low cost way of accessing NASA Earth observing satellites. Sophisticated signal processing techniques and simple proof-of-principle antenna arrays built from PVC pipe, aluminum foil and copper wire could revolutionize the way NASA obtains data from its Earth observing satellites.
Neat, you type in words (like MAKE) and it’ll play back the letters as morse code, musically- here’s an example (

Another homebrew MP3 project from awhile back…Procyon MP3 is a hardware MPEG 1 Layer 3 (MP3) audio player which supports user-controlled playback of MP3 files stored on a typical IDE hard disk connected to the device. With the emergence of MP3 as a popular standard for storing, playing, and exchanging music, droves of electronics and computer companies have introduced both portable and desktop MP3 player devices into the consumer market. The rise of MP3 has also produced dozens of personal engineering projects like this one.
Tonepad is dedicated to providing ready-to-use layouts for effects and amplifier projects to the do-it-yourself music community. All layouts are provided free of charge and are subject to the limitations set forth on our legal page. Parts are available from Small Bear Electronics, and ready-made PCBs for many projects are now available directly through tonepad.