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microsd card module

MicroSD Card Module for Arduino SPI Interface

  • Support Micro SD Card, Micro SDHC card (high-speed card)
  • The level conversion circuit board that can interface level is 5V or 3.3V
  • Communication interface is a standard SPI interface
  • Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,
  • VCC is the power supply, MISO, MOSI, SCK is the SPI bus, CS is the chip select signal pin;
  • 3.3V regulator circuit: LDO regulator output 3.3V as level converter chip, Micro SD card supply;
rfid
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RFID Card Reader Module MFRC-522 13.5 MHz

  • Working Current @ 3.3V: 13 – 26mA
  • Standby Current @ 3.3V: 10 – 13mA
  • Sleep Current: <80μA
  • Peak Current: <30mA
  • Working Frequency: 13.56MHz
  • Card Reading Distance: 0-60mm
  • Communication Protocol: SPI
  • Data Communication Speed: 10Mbit/s Max
  • Operating Temperature (°C): -20 to 80
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