Here is a flexible display for your DIY projects that can be driven by an Arduino UNO. The Flexible RGB LED Matrix measures 269mm x 30mm. It has a flexible PCB board and doesn’t weigh a whole lot, so you can use it on cups and everything in between.
More gadgets like this: here
This display has 7 x 71 RGB LEDs. You can get it for under $40 at this time.
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