2 analog PID loops. 2 analog potentiometer buffering and
differentiation blocks. Differential sends and recieves. 48 volts in.
pdf Schematics and Layout: m2_fb.pdf Known bugs:
There is a jumper missing from 12 volts to the negative supply on the -5 volt
Power one brick is really hard to remove if it breaks. It is recommended to
raise it up a bit while soldering so you can easily slip a small screwdriver
underneath the edge if it breaks. Fabrication: