Digital circuits, programmable logic devices and microcontrollers, Boards which connect to a PC via the USB port (USB8bit, USB-FX2) which supersede my very old parallel port card (Latch16bit).
Sam has some wonderful Audio and Video circuits. He is from Greece the land of Mythology and the Gods. These are Electronic Circuits and DIY Projects for the hobbyist.
ELECTRONICS HANDBOOK thinks of you who dig electronics as the last of a special breed. It's more than Just the “do-t-yourself’ angle — It’s also the spirit of adventure.
Aaron Cake has many electronic circuits and other electronics information in his archive that is online since the 90s. Antique electronics and Parallel Port Programming.
Analog Synthesizer Do It Yourself - You have just discovered one of the coolest analog synth resources on the web. Check it out, build something cool, have fun.