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125KHz Serial UART RF ID Card Reader for Arduino - Green + Blue
This is a radio frequency ID card reader module that can read the ID card's serial number. It can help to design the intelligent access control system. When the module sensed ID card£¬ it will convert the card number into a 9-digit hexadecimal number£¬ each digit of which will be converted into ASCII code. Then it adds the starting byte and 5 other bytes£¬ so a total of 15 bytes output to the serial port. You can convert it into a decimal number that is the serial number engraved on the ID card. Features: - Support Card Type: Read-only ID cards (such as EM4100£¬ EM4001£¬ etc.) - Working voltage: 4.5~5.5VDC - Working current: 40mA (max) - Working frequency: 125KHz - Reading distance: 2~5cm - Logic Interface: UART TTL serial port - Communication format: 8N1 - Baud rate: 9600 - Induction coil: pluggable - Coil size: 35X40mm - Coil lead length: 15cm - Great for DIY - Applications: Access control systems£¬ Attendance system