Wikipedia
PICAXE
PICAXE is a microcontroller system based on a range of Microchip PIC microcontrollers. PICAXE devices are essentially Microchip PIC devices, with pre-programmed firmware that enables bootloading of code directly from a PC, simplifying hobbyist embedded development (not unlike the Arduino and Parallax Propeller systems). PICAXE devices have been produced by Revolution Education (Rev-Ed) since 1999.