MicroSD card reader module - SparkFun BOB-00544

Index: SPF-11149 EAN: 5904422317256

Reader of microSD memory cards from the SparkFun. It communicates with main Board via SPI interface, it operates with a voltage of 3.3 V.

MicroSD card reader module - SparkFun BOB-00544
€6.90
€5.61 tax excl.
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Manufacturer: SparkFun
Compatibility: Arduino

Description

Reader of microSD memory cards from the SparkFun. It communicates with main Board via SPI interface, it operates with a voltage of 3.3 V.

Connection

The SD cards communicate using the SPI bus. Most of the microcontrollers, including those used in Arduino AVRy, have hardware control over this interface. The functions of some of the pins, are presented in the array below.

 Moduł z czytnikiem kart pamięci SparkFun

Pin Description
GND The ground of the module.
VCC Supply voltage of 3.3 V.
CD Card detection. In case of the absence of the card, the pin is in the low status, when the card is in the connector, the high status comes up. The pin is pulled up to VDD through a resistor of 100 .

CS

Selection of the device (chip select) in SPI mode. For operation of the module, you must indicate the low status.
CLK

Clock line of the SPI bus.

DO

The output data (MISO) in SPI bus.

DI

Input data (MOSI) in the SPI bus.

SD cards work with voltages of 3.3 V so to connect modules of 5 V, for example, Arduino Uno, you need to use a converter. In our offer, you will also find a reader with a built-in converter of 5 V.

 

Specification

  • Supply voltage: 3.3 V
  • Working voltage of pins: 3.3 V
  • Communications: SPI bus
  • Built-in slot for microSD memory cards

 

Package width 5 cm
Package height 8.5 cm
Package depth 0.6 cm
Package weight 0.002 kg

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