10 pcs lot mini TF card read and write SPI interface with level conversion core YS-41 Micro SD card module

Description

description: The module (MicroSD Card Adapter) is Micro SD card reader module, through the file system and SPI interface driver, single-chip system to complete the MicroSD card to read and write files. Arduino users can use the Arduino IDE comes with the SD card library to complete the card initialization and read and write The module features are as follows: 1. Support Micro SD card, Micro SDHC card (high speed card) 2. On-board level conversion circuit, that is, the interface level can be 5V or 3.3V 3. Power supply is 4.5V ~ 5.5V, onboard 3.3V regulator circuit 4. The communication interface is the standard SPI interface 5.4 M2 screw positioning holes for easy installation Interface Description: Control interface: a total of 6 pins (GND, VCC, MISO, MOSI, SCK, CS), GND for the ground, VCC for the power supply, MISO, MOSI, SCK for the SPI bus, CS chip select signal pin; 3.3V regulator circuit: LDO regulator output 3.3V for the level conversion chip, Micro SD card power supply; Level conversion circuit: Micro SD card to the direction of the signal into 3.3V, MicroSD card control interface to the direction of the MISO signal is also converted to 3.3V, AVR microcontroller system can read the general signal; Micro SD deck: is self-bomb holder, easy card plug. Positioning holes: 4 M2 screw positioning holes, aperture 2.2mm, the module easy to install and locate, to achieve the combination between modules;

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