I'm going to use an ESP-01 module to control this, which is just about the smallest ESP8266 module you can find. It doesn't have a lot of available GPIOs to play with, but it does have GPIO2, which ...
Why? Because Stranger Things is an awesome show and the girlfriend wanted to do topical costumes (she went as Eleven). I couldn't pass up an opportunity to make something. I'm posting my code here as ...
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