micro-controllers
CuteCircuit talks about micro controllers basic stamp easy to use, widely used by hobbyists, lots of ecamples available, fragile, expnsive BX24 very much like a basic stamp, easy to use, slightly faster, expensive pic widely used in industry an by hobbyists, slightly more difficult to lears, tougher and sheaper, not cross platform (requires a PC) OOPic (object oriented pic) similar to PIC,hobbyists version of PIC, for easy programming Atmel AVR cheap tough faster than PIC cross platform, easy to program thanks to free libraries, their choice for prototyping