The LED string protocol is very simple, with one address field and one data field. [Tim] hooked up his oscilloscope to the LED strings to find out how they worked, detailing the results in a ...

Here’s a whirlwind tour of some of my favorites. On that list are a POV holographic display, giant cast-resin LEDs, an optical-pump ruby laser built out of parts from AliExpress, blinky goodness ...