Rooting around in the fascinating stuff at the bottom of a draw labelled 'Engineering - Junk Miscellaneous'. Delving amongst the delightful...
‘Magic circuit’ took a lot of work
There is a ‘magic’ circuit on YouTube.
Ostensibly, you can watch Fredzislaw100 build it here, followed by its rather unusual behaviour.
Or you can trust me in that the assembly all looks legit and just watch the unusual behaviour.
You can guess a few ways of doing it.
Fredzislaw100′s circuit is here, and I confess it is much neater than the idea I had, and the video goes on to show construction details of the tricky bits.
I suppose I am most impressed that all the components were assembled onto the leds without making it obvious.
There are more creations from the designer here.
Thanks to Midisticks for drawing my attention to this one.
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