Ok so its been a while since my last post. Real life gets in the way all the time 🙂 but I had some free time last night and was able to drag out my electronics kit. Ran my multimeter over the pcb and checked the connections. All seems to be good. Connected a few rows and a few columns and connected the Arduino to my PCB. Powered up the system and it worked!!! So I now have a working Peggy driver board. 9 connections from the Arduino to the Driver Board and then 25 row connections and 25 column connections.

So with all of that working I have to finish my larger matrix and then I can see it all work ing……In Jumbo size!

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