Temperature Sensitive Pac-Man/Ghost LED Matrix | Hackaday

If you’re like us, you can’t get enough of projects inspired by retro games, and the dynamic duo, [monsely], seem to like them too. Their Temperature Sensitive Pac-Man/Ghost LED Matrix would make a great desktop monitor for any gaming enthusiast.

First, they did a bit of sketching on good old paper and a pencil to organize all the LEDs they would need and make the connections. With so many LEDs, coordination is pretty critical or you’ll quickly find yourself with a big mess on your hands. Fortunately, the WS2812/Neopixel style LED strips minimize most of the connections needed, which was a relief. These LED strips only need a single GPIO for control, making it easy to start this project with a fairly basic microcontroller.

Simply displaying an animated graphic was a little too easy for [monsely]. They decided to make the Ghost temperature sensitive, turning blue if it’s cold outside and red if it’s hot. Of course, you’ll probably want to adjust the thresholds based on where you live or how your HVAC system works. Pac-Man remains the classic yellow, which is what we expected.

Of course, no good desktop monitor would be complete without a suitable case. [monsely] opted for a cardboard box, but we’re sure you could laser cut or print something a little sturdier and a bit more aesthetically pleasing. But, hey, anything works, right?

About Florence L. Silvia

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