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This is a radio frequency ID card reader module that can read the ID card's serial numbers. It can help to design intelligent access control systems. 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 a 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
What's in the box?
1 x 125KHz Serial UART RFID Card Reader
Resources
Interfacing with ESP32, Arduino and NodeMCU
Interfacing with Raspberry Pi
Note: Stock is currently available in South Africa for national shipping!