Looking for the smallest Atmel microcontroller with built-on motor drivers? The BittyBot MEGABitty microcontroller features an Atmel ATMega8L, motor drivers, and voltage regulation in tidy 0.9" x 0.9" package!
Making PIC-based Laboratory Instruments and Controllers by Harprit Singh Sandhu is hands on tutorial and resource book that teaches you how to build your own interfaces.
This is a handy AVR programming cable that incorporates both the 10-pin and 6-pin ISP programming interfaces.
The 8-Pin and 14-Pin N-SOIC Adapter gives you the ability to program 8 & 14-pin N-SOIC package PICmicros.
This a high-quality stereo jack is great for use with the PICAXE download cable.
The EFX-Tek RS-485 adapter is an ideal solution for putting multiple microcontrollers on a custom network.
The Prop Plug is a compact USB to Serial connector for microcontroller programming and communication. We're about the best place in the universe to get them!