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Old pinball machines are amazingly complex

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Further reading 1

Without a line of software, how does a machine know the next step? →Follow a pulse of water in a coffee maker and five scoring pulses in a pinball machine. Valves, cams and magnetic latches each leave an observable moment when the next step becomes possible.This video helps answer · Draw the loop: why does water go one way?

Caption notes

A 5,000-point hit turns a motor whose cams close contacts in sequence. Five pulses reach the 1,000-point relay. Turning the motor by hand lets the presenter slow down a scoring action enough to inspect it.

Archived captions (transcription method unspecified) ↗
Original passages · 2
It allows things to happen automatically in a sequence.
Old pinball machines are amazingly complex · ▶ 31:13–31:17
the 1,000 point relay will receive five pulses
Old pinball machines are amazingly complex · ▶ 35:24–35:28

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