Debugging a Stopped Foucault Pendulum’s Electronics

After the Foucault pendulum at the Houston Museum of Natural Science stopped working a while back after maintenance on the building, workers set out to determine what was wrong with the mechanism that normally keeps it in motion. Fortunately, it turned out that all they had to do was fiddle with some knobs to get everything dialed back in proper-like. When we previously covered this dire event, it was claimed that this was a one-off system, hacked together by some random bloke. But as can be see