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!
The Applied Sensors Kit teaches you about interfacing the world to microcontrollers.
The Propeller Proto Board Accessory Kit includes all the parts necessary to connect VGA, keyboard, mouse and servos to the Propeller Proto Board.
The Parallax PS/2 to Breadboard Adapter makes it convenient to connect a PS/2 mouse or keyboard to breadboards, protoboards and perfboards with 1/10-inch hole spacing.
This item contains all the parts for the What's a Microcontroller text/kit.
The Robotics with the BoE-Bot Parts Kit turns your Board of Education into a BoE-BOT Robot.