So you want to display messages on your bag? Adafruit has put together a guide that shows you how to scroll text messages on your bag, jacket, and other items using a Flex NeoPixel Matrix and Flora + Fona. You are going to need a Flora, Fona cellular module with SIM card, GSM antenna, flexible 8×32 NeoPixel Matrix, 2500 mAh battery, and other parts to get started.
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