Dottie the Flip Dot Clock

Dottie the Flip Dot Clock Using Arduino

How Dottie Was Made My trusty Arduino (it’s red, a clone from Sparkfun, and it was on sale for $10) begins this journey to reverse-engineer a flip-dot board. I figure that if I can flip one single dot, using a shift register and a couple of transistors, then all I need to do is replicate […]

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