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what in the bloody mary


An LDR array...pretty neat. Basically, this uses light-dependent resistors to generate CVs based on incoming luminosity levels. NLC made this for smartphone screens (putting the phone face-down on the array allows the array to "read" the light levels onscreen), but you could use it with a lot of things...a laser pointer set up like a pendulum would work too, and be REALLY interesting, more than likely.

In a very real sense, it's sort of an "analog UPIC".