Random LED Dots: Hardware Layout

Quite some time ago, Sophi gave me a common-anode RGB LED panel and told me to make something of it. In a spate of desk-clearing, I hammered out a quick-and-dirty multiplexed display from found materials: 2N2907 transistors as row source drivers and 74HC595 shift registers abused as column sink drivers, plus the obligatory Arduino Pro Mini and 3D printed holder”

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