Description

The MF522-MINI module uses the RC522 original chip to design the card reader circuit. The module works at 13.56MHz frequency and conforms to the ISO14443A standard. It can support Mifare1 $50, Mifare1 $70, Mifare Light, Mifare UltraLight and Mifare Pro. Suitable for users of advanced applications such as device development and card reader development, and users who need to design/produce RF card terminals. This module can be directly loaded into various reader molds. The module adopts a voltage of 3.3V, and can directly connect with any CPU board of the user through several simple lines of the SPI interface, which can ensure stable and reliable operation of the module and long reading distance; the module is easy to use, highly reliable and small in size. Features such as helping customers to easily and quickly apply contactless cards to the system.. Featured By RoboticsBD.
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Pin Description:
1. SDA: SPI port chip selection
2. SK: SPI clock
3. MOSI: SPI port slave input
4. MISO: SPI port slave output
5. IRQ: Interrupt
6. RST: Reset pin
7. 3.3v: VCC
8. GND: Ground

Features:

1. The RC522 chip is used to design the card reading circuit. It is a low-voltage, small contactless independent card reader module 2. The communication method between it and the host adopts SPI mode. This module supports URAT interface, which is also a good choice for smart meters and portable handheld devices.
3. Suitable for users who need to design or manufacture radio frequency card terminals. Develop access control system, electronic door lock or terminal for recording time
4. Easy to use, low cost, suitable for equipment development, card reader development, etc.
5. The module uses 3.3V voltage and can communicate with any user’s CPU motherboard through multiple SPI interface lines, which can ensure stable and reliable work and the distance of the reader