The potato chip ("crisp") speaker is very cool (I have it cued up here), but the rest of Tim Hunkin's video is also wonderful and worth watching. (Note: Posh bags work better as speakers.)
Thinking of our use of signal relays, I kept wanting Tim to tell viewers to put a diode and a capacitor across the relay terminals to prevent back EMF from frying circuits. But I guess this is not much of a problem with the arcade games that Tim builds.
As always, Tim's scrounging and use of discarded parts is really admirable.
I noticed in the credits that he is dedicating these videos to the memory of his colleague Rex.
Thanks to Chuck WB9KZY for bringing this video to our attention. And thanks Tim.
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