Fritzing

I needed a way to light my cave. So i am using as many spare parts that i have including the wire to create an LED matrix on the ceiling. The actual code will be done with visuino.com  

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Will update as required. Last updated 7-5-19

 

Using Mega2560 to control sets of NPN 2222 transistors, and sinking ground lines thru the ULN2003 chips.

 

All programming will be done using visuino.com