I made a lamp in the shape of a heart from an old Arduino UNO. The Arduino controls 15 WS2812b LEDs and so symbolizes a heartbeat.
Since the Arduino UNO is relatively large, I had to draw a "big" box to store it. Feel free to remix a new box for an Arduino Nano or similar.
For this project you will need:
I provide my code below via pastbin.
I hope you like it and you leave a nice comment or rating there.
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