networking milk jugs

I wasn't able to catch up on this week during finals, but this will document what I would have done had I gotten the chance to mill another one of my hello world milk jug boards from week four.

milk jug board

After milling a second board, I would've connected two boards so that when a button is pushed on one board, the LED on the other board lights up. The connections from milkjug1 to milkjug2 would be as follows:

• TX1 > RX2

• RX1 > TX2

• VCC1 > VCC2

• GND1 > GND2

The Arduino code for the two boards would look like: