Step 4: The ATMEGA Chip IS a Cheap Microcontroller!
4. The ATMEGA chip IS a cheap microcontroller!
The ATMEGA168 chip, which does everything the Arduino can do, costs about $3.00. (You can also use the equally cheap ATMEGA328 or ATMEGA328p -- but DONT use an ATMEGA168p -- the Arduino gods decided not to support it for some reason.)