Do you know of the famous WS1012 LEDs? The PL9823 is the cheapest LED that uses the same protocol of the WS1012. Let's blink LEDs!
Project tutorial by Giovanni Gentile
This project uses the Arduino Nano 33 IoT, the Arduino IoT Cloud, E1.31 (streaming DMX) and Alexa to control 12 volt WS2811 LEDs.
Project tutorial by john_dillenburg
Ten-year old nephews are particularly impressed when they can change the colour of the outdoor Christmas lights from a tablet.
Project tutorial by UlyssesandBloom
How to Control IoT ONE Nixie Clock - Backlight & Nixie Tube & Display
by Marcin Saj
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