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RFID Emulator + E-paper Badge Can be Programmed With Sound: In a way, an e-paper display makes an excellent foundation for a reprogrammable RFID card. The display only needs power during a refresh, and 125 kHz RFID tags are passive …read more #hadtips https://t.co/vTW1q6soS7 https://t.co/APbG7jC46V

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