14X8 LED Ceiling Matrix Using the ULN2003A
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
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