2pcs Micro SD TF Card Reader
Read & Write Module Storage Memory Shield SPI Level Conversion Arduino
The module
(Micro SD Card Adapter) is a Micro SD card reader, through the file system and
the SPI interface driver, SCM system to complete the file to read and write
Micro SD card. Arduino users can directly use the Arduino IDE with an SD card
to complete the library card initialisation and read.
Module features are as follows
1. Support
Micro SD card, Micro SDHC card (high speed card).
2. Board
level conversion circuit, namely the interface level for 5V or 3.3V.
3. Power
supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board.
4. The
communication interface is a standard SPI interface.
5. M2 screw
positioning holes for easy installation.
Interface Description
1. Control
Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground,
VCC is the power supply, MISO, MOSI, SCK for SPI bus, CS is the chip select
signal pin.
2. 3.3V
regulator circuit: LDO regulator output 3.3V for level conversion chip, Micro
SD card supply.
3. Level
conversion circuit: Micro SD card to signal the direction of converts 3.3V,
MicroSD card interface to control the direction of the MISO signal is also
converted to 3.3V, general AVR microcontroller systems can read the signal.
4. Micro SD
card connector: self bomb deck, easy card insertion.
Detail
2pieces Micro
SD Card Module for Arduino
Approximate
Dimensions
Board Length:
38mm
Board Width:
18mm
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