The correct way to use buttons with FastLed library and Arduino

NO SOFTWARE DEBOUNCING FOR BUTTONS AND NO DELAYS !!! for a smooth animation ...

1. SOFTWARE DEBOUNCING VS HARDWARE DEBOUNCING ...
2. HOW NOT TO KILL YOUR ARDUINO ...
3. ALWAYS USE A COMMON GROUND WHEN USING MULTIPLE POWER SUPPLIES...

FastLED is a fast, efficient, easy-to-use Arduino library for controlling addressable LED strips, in this case WS2812B ( more info can be found here ).

The sketch and the basic schematic can be downloaded here:

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SOFTWARE DEBOUNCING,HARDWARE DEBOUNCING,FastLed library,Arduino,smooth animation,Tips & Tricks,HOW NOT TO KILL ARDUINO,