Yes, you can buy pre-bootloaded uCs:
Bare minimum components are shown below.
208x114 /2 = 108x57
Squeeze a little down to 100 x 57, can do that with standard eagle free hobbyist download (100 x 80)
(8mm = 0.3")
Boards are then 10 for $24.90 plus ~$5 shipping from iteadstudio.com
May 3 10-conductor ribbon cables to connect the 2 halves?
