DIY Micro SD Storage Expansion Board D1 Mini TF Card Module Mini Micro SD TF Card Memory Shield Module With Pins for Arduino

The module features are as follows:
1. Support Micro SD-card, Micro SDHC card (high-speed card)
2. On-board level conversion circuit, i.e. interface level can be 5V or 3.3V
3. The power supply is 4.5V 5.5V, and the on-board 3.3V voltage stabilizing circuit
4. The communication interface is a standard SP1 interface
5.4 M2 screw positioning holes for easy installation
Control interface: A total of 6 pins (GND, VCC, MIS0, MOSI, SCK, CS ),GND is ground, VCC is the power supply, MIS0, MOSI, SCK are SPI buses, CS is the chip select signal pin;3.3V regulator circuit: 3.3V regulated output of LD0 supplies power to the level conversion chip and MicroSD card;
Level conversion circuit: The signal heading towards the Micro SD card is converted to 3.3V, and the MIS0 signal heading towards the control interface of the MicroSD card is also converted to 3.3V. General AVR MCU systems can read this signal;

This module (MicroSDCardAdapter) is a MicroSD card read-write module. Through the file system and SPI interface driver, the single-chip microcomputer system can complete reading and writing of files in the MicroSD card. Users can directly use the IDE’s own SD card library to complete card initialization, read and write.