NJay: Hey, I’ve finished assembling one of the communication adapter boards. Remember I told you I made a mistake and inverted the pins on the PCB layout, but only found out about it after sending the PCB out to fabricate? Well, now I had to solder the chip upside down, here’s how it looks:
NJay: And now the bad news: it doesn’t work. 😦 There are square signals appearing on the slave side, but it’s got nothing to do with what the control console is sending on the Master side…. Oh well, it’s 02:00, and tomorrow is another day.