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Microcontroller › Arduino › RFID Readeing Problem.PLEASE help me
i used this rf id reader
May i know which RFID module you have used…Is it EM18 reader module…..Or is it giving TTL output or RS232…?
i think you are using aurduino..
so first tell which aurdino board u r using bt before that check the pin configuration of rs232 with tx and rx pin and with max 232.