Quote:
Originally Posted by Placidus
Trish and I spent all day measuring voltages, measuring resistances, checking cables, comparing with the microcontroller code, getting nonsensical and non-reproducible results. Eventually we discovered the mechanical linkage between the lower shutter and the precision potentiometer was slipping unpredictably. D'oh.   It explained everything. Took 5 minutes to fix. |
Oh well, that's a good outcome. Still have one to celebrate.
