#EEVblog #video about counting photons from #LEDs
on 02026-05-27Slightly 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.”
on 02021-08-18#PJON can get 12 kilobits per second #communication using visible-light #LEDs and #Arduino Uno ADCs.
on 02021-08-18"PJON" (“Padded jittering operative network”) is a one-wire protocol stack that lets you connect a bunch of microcontroller #hardware over a shared medium with no special hardware at up to a few kilobits per second and a few kilometers. It's licensed under the Apache License version 2.0. #LEDs #protocols
on 02020-12-20