Human folly for 02021-08-18

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• Analogsampling (github.com):

  #PJON can get 12 kilobits per second #communication using visible-light #LEDs and #Arduino Uno ADCs.

• Optical communication using LEDs alone (hackaday.com):

  Slightly defensive comment by Paul Dietz about MERL’s groundbreaking 02002 research on #communication with visible #LEDs, mentioning “some clever tricks to precharge the LED to close to threshold using an additional resistor [which] let us do really fast measurements, even in low light.”