this week i chose to make the serial communication boards, files are available here then i started milling them & soldering

after milling the 3 boards (one bridge, two nodes) we need to program them, C code available here

very important notes :

before making the files don't forget to change the node id in neil's code

* change the node id

* use 5v FTDI cable

* double check the connection cable polarity

we gonna need any software to display the result, i used putty, and here's the result :