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If you’re like us, you never get tired of retro game-inspired projects, and the dynamic duo, [monsely], seem to love them too. Their Temperature-Sensitive Pac-Man/Ghost LED Matrix would make a great desktop display for any gaming enthusiast.

First, they did a bit of sketching on good ol’ paper and pencil to organize all the LEDs they would need and work out the connections. With this many LEDs, coordination is pretty critical or you’ll quickly end up with a big mess on your hands. Luckily, WS2812/Neopixel-style LED strips minimize most of the necessary connections, so that was a relief. These LED strips only need a single GPIO for control, making it easy to get this project going with a pretty basic microcontroller.

Just displaying an animated graphic was a bit too simple for [monsely]. They decided to make the Ghost temperature-sensitive, changing to blue if it’s cold outside and red if it’s warm. Of course, you’ll probably want to tweak the thresholds based on where you live or how your HVAC system is doing. Pac-Man stays the classic yellow, which we would expect.

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

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