Using the plug-in MatrixPortal board we just released last week, we were able to make a sign that we brought to the Ruth Bader Ginsburg memorial vigil in NYC. The code displays three initials and then scrolls through an image of the Justice. We used the matrix magnetic feet to temporarily attach it to PT's bag, it was solid but easy to remove at the end of the night.

Adafruit Matrix Portal - CircuitPython Powered Internet Display

https://www.adafruit.com/product/4745

https://github.com/adafruit/Adafruit_Learning_System_Guides/tree/master/RBG_Matrix

#RBG #adafruit

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