Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Type: Module _x005f_x000D_ Condition: New _x005f_x000D_ Features: _x005f_x000D_ Support Micro SD card, Micro SDHC card (high speed card) _x005f_x000D_ Level conversion circuit board, can interface level 5V or 3.3V _x005f_x000D_ Communication interface is a standard SPI interface _x005f_x000D_ Control interface: a total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND ground. _x005f_x000D_ GND is grounded, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, and CS is the chip select signal pin; _x005f_x000D_ 3.3V voltage regulator circuit: LDO regulator outputs 3.3V as the power supply for level conversion chip and Micro SD card; _x005f_x000D_ Level conversion circuit: Micro SD card direction signal is converted to 3.3V, MicroSD card direction control interface MISO signal is also converted to 3.3V, general AVR microcontroller system can read the signal; _x005f_x000D_ Micro SD card connector: Yes, because the bomb deck allows easy insertion and removal of the card. _x005f_x000D_ Positioning holes: 4 M2 screw positioning holes 2.2mm in diameter, easy to install and position for inter-module combination; _x005f_x000D_ Power supply: 4.5V - 5.5V, 3.3V regulated circuit boards _x005f_x000D_ Positioning hole: M2 screw positioning hole diameter 2.2mm _x005f_x000D_ Control Interface: GND, VCC, MISO, MOSI, SCK, CS _x005f_x000D_ Product Size: 18.00x17.00x3.00mm/0.71x0.67x0.12inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x Storage Expansion Board Support Micro SD card, Micro SDHC card (high speed card) Level conversion circuit board, can interface level 5V or 3.3V Communication interface is a standard SPI interface Control interface: a total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND ground. GND is grounded, VCC is the power supply, MISO, MOSI, SCK is the SPI bus, and CS is the chip select signal pin;