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HOW TO – Make a low level magstripe reader (with a Teensy or Arduino) Swipe swipe…data! « Adafruit Industries – Makers, hackers, artists, designers and engineers!
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M5Stack on Twitter: "M5Application:Magnetic Card Reader.Use Arduino,3D printer,esp8266. https://t.co/H7ZQ2BzaFt" / Twitter
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