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Christmas SOC project (alien.top)

submitted 1 year ago by Stormili@alien.top to c/homelab@selfhosted.forum

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Hi there,

I want to create my first (very small) soc project for christmas. I want to create a wildly blinking, very colorful christmas star.
In essence around 50 Leds need to be switched on an off repeatedly in specific patterns.

To make it as easy as possible for me it would be great if I could simply have a specific IO /GPIO pin for each LED. Then the code should be very straight forward.

Now is the question, which SOC should I use? a basically need next to no processing power/memory or anything really aside from alot of GPIOs. And off course it should be as cheap and easy to use as possible (plugin > soldering).

Any recommendations for something small like this?

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[–] dxx255@alien.top 1 points 1 year ago

LED Multiplexing might be worth a look. It reduces the number of GPIOs needed and the code doesn’t get very complicated. You also don’t need any additional chips or special LEDs