Every year I tell myself I will not repeat this process ...

Every year I tell myself I will not repeat this process … and yet here I am, doing it again. Clearly I do not listen to myself! That’s 17x 328p rigged up, (almost) all connected together through I2C. The amber one is the master, the others are all slaves. Still need to connect the SD reader. I won’t tell yet what they’ll be doing … go ahead, let your minds go wild.