Select chip and optional program.
ATtiny2313: $4
ATmega168 or ATmega328P: $5
Preprogrammed microcontrollers for all your favorite Evil Mad Scientist Laboratories projects.
ATtiny2313 chips are type ATtiny2313V-10PU (10 MHz, low-power version), while ATmega168 and ATmega328P chips are the 20 MHz versions. All three come in standard DIP (through-hole) form factor.
Want one that's not listed here? Contact us and we'll see if we can help.