How to interface RFID with AVR microcontroller (ATmega16)
Pin 2 of max 232
Pin 3 of RFID modem
Pin 3 of max 232
Pin 2 of RFID modem
Pin 5 ground pin of max 232
Pin 5 ground of RFID modem
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The MAX232 IC is used to convert the TTL/CMOS logic levels to RS232 logic levels during serial communication of microcontrollers with PC. The controller operates at TTL logic level (0-5V) whereas the serial communication in PC works...
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