When the pendulum cable reaches a particular point in its swing, it is detected by an electronic device and the magnet is turned on at just the right time to give the collar (and thus the cable and ...

It’s an electromagnet pendulum analog circuit ... [SimpleTronic] even took the time to highlight each part of the schematic in order to work through a complete explanation.

[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums ...