Topic

led control

2 videos. Ranked by independent recommendations, not by views.

1. 

   1 How Shift Registers Work!

   Kevin Darrah 23 people · 23 months · since Mar 2013

   A clear explanation of how a 74HC595 shift register works and how to drive many LEDs from a few Arduino pins.

2. 

   2 Update: Mystery Two Pin RGB LED - Pulse Controlled

   Julian Ilett 3 people · 3 months · since Jan 2017

   Julian's follow-up on two-pin colour-changing LEDs, explaining how the tiny built-in chip is pulsed to switch colours, relevant to Christmas light strings.