I decided to create the simplest pair of wired-connected Attiny45 via async serial interface.
Network consists of two board: “bridge”, which will be connected to laptop and “node” which will just receive signals.
First of all, I redraw board in Eagle
Okay, let’s start to make it:
Then, upload sketch http://academy.cba.mit.edu/classes/networking_communications/bus/hello.bus.45.c
Files:
Bridge Eagle schematic file Node Eagle schematic file Bridge Eagle board file Bridge Eagle board file Bridge traces export Node traces export Bridge traces export Node solder mask Bridge traces G-code Node traces G-code Program