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Touch Screen and RFID System Integration with ZigBee Communication

This project involves the integration of a touch screen and RFID card reader using robust hardware components. The system utilizes a Freescale microcontroller, interfacing with an LCD controller and ZigBee wireless transceiver for seamless communication. With specifications such as a backlight, multiple SCI interfaces, and voltage regulation, this setup is designed to operate under specific hardware constraints. It effectively highlights the interconnection of various elements including the touch panel, RFID system, and wireless communication, all powered by a stable DC power supply.

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Touch Screen and RFID System Integration with ZigBee Communication

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  1. TOUCH 2 ORDER(T2O) Team # 13 Srichand Yella Anvesh Dasari Madhu Tummala Varun Vallabhaneni

  2. Hardware Constraints Touch Screen w/LCD Controller (Reach Technologies 42-0105-01) RS-232 Interface External SD memory 1 SCI and 1TIM LCD - 3.3 V, Backlight - 12V 115200Baud Rate

  3. Hardware Constraints RFID Card Reader (Spark Fun Electronics) 1 SCI Interface, 5 V, 9600 Baud Rate Zig Bee Wireless Transceiver (Digi XBee Pro) 1 SCI Interface, 3.3 V, 9600 Baud Rate Microcontroller (Freescale MC9S12E128) 3 SCI, 1 SPI, 80 pins, 3.3 V, 9600 Baud Rate

  4. Block Diagram 12 VDC Supply LCD Screen (NEC 8.4”) Touch Screen Panel 4 2 Graphics Controller (Reach Technologies 42-0105-01) Voltage Regulator and DC-DC Converters (5V to 3.3V) 2 (SCI) 2 (SCI) Microcontroller (Freescale MC9S12C128) ZigBee Transceiver (Maxstream XBee Pro) 2 (SCI) RFID Reader (Spark Fun ID – 12)

  5. Schematic

  6. Schematic

  7. - Questions -

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