Blackboard Reader Device Challenge entry
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The reader, only measuring 90 x 60 x 25 mm in size, is highly portable; its small top hook allows attachment of a keycord for easy portability around the neck. The entire front surface facilitates communication and can light up to display transaction success or denial. Upon placing the reader in its dock, the bottom USB connector auto-connects to a charger/data cable. The dock doubles as a wall mount. To turn on/off, simply hold the on/off button on the front, with white LEDs glowing upon activation. Bluetooth pairing is indicated by flashing white LEDs, while steady lights signify connection. To enter sleep mode, briefly press the on/off button, causing the white LEDs to turn off and glow intermittently, indicating sleep mode. To wake up, press the button again. Transactions can be carried out via RFID at the front or magnetic reader on the right side; green LEDs signify acceptance, red for denial. Low battery status is displayed by flashing red LEDs, while 3D models are available for viewing.
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