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Hey guys, I've got a question for those who have built this. I know that in the pictures, TKofR used a 25 lb bag of plaster. If you start with a full bag, about how much is actually used including building the lid? I don't want to end up having a lot of plaster left over thats not going to used.
gwalsh2, you could use a Arduino Uno or a Nano to control your LEDs just to save some time on programming instead of a RPI Zero.