micro SD reader

Micro SD Read & Write Module – Deep Blue
– Supports Micro SD card, Micro SDHC, board level switching circuit, connector level is 5V or 3.3V, power supply is 4.5~5.5V, 3.3V stable voltage circuit, SPI interface, 4 x M2 screws fixing holes, convenient to install.
– Power supply voltage: 4.5~5.5V.
– Current: 0.2-200mA.
– Interface level: 3.3V or 5V.
– Card supported: Micro SD card(<=2GB)，Mirco SDHC card(<=32GB).
– Control interface: 6 pins(GND, VCC, MISO, MOSI, SCK, CS), GND is ground wire, VCC is power supply, MISO, MOSI, SCK are SPI bus cables, CS is Chip Selection signal feet.
– 3.3V stable voltage: LDO Voltage output is level conversion chip, Micro SD card is power supply.
– Level switching circuit: signal to Micro SD card switching into 3.3V, MISO signal of Micro SD card to control interface switching into 3.3V, general AVR SCM system can read the signal.
– Micro SD card slot: pudsh-push style, convenient to play and plug.
– Fixing hole: 4 x M2 screws fixing holes, diameter is 2.2mm, convenient for the module installation.