Closing up work on my modular, hobbyist, analog computer. (Finishing up the manual—the hardware is already a wrap).

Something I can finally enjoy: just playing with it. I tediously wired up a pair of pendulum simulations to drive an XY oscilloscope—got a nice Lissajous curve.

But now I want to double it to four pendulums. Each axis (still just X and Y) to be driven by the sum of a pair of pendulums. With them out of phase, the curves appear to sometimes collapse but then suddenly explode again…

(Love to eventually hook it up to an actual plotter.)