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Build an amazing interactive coffee table with Arduino

This LED coffee table reacts to whatever’s on top

from arduino.cc

The YouTube team “Ty and Gig Builds” recently decided to make their coffee table a little more interesting, adding a chain of 96 addressable LEDs underneath its clear surface.

This would have been neat enough by itself, but their project doesn’t just stop there and instead embeds 154 IR emitters and 154 IR receivers, allowing it to react to what’s on top. Beyond that, it’s able to display animations without using the sensors for a mesmerizing effect.

The setup, as you might imagine, required a lot of wiring along with custom shift register and multiplexer boards to accommodate its vast I/O needs. These discrete I/O are eventually funneled down to an Arduino Mega for control, creating a one-of-a-kind table that should make for a great conversation piece while holding coffee and other knickknacks.

If you're interested in making your own version, PMD Way has you covered with a huge range of parts including Arduino Mega-compatible boardsmotor shields for ArduinoWS2812B NeoPixel-style LEDsjumper wires and more.

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