Hign-concerned Chemical : None
Package : DIP
Model Number : Micro SD Storage Expansion Board
Dissipation Power : 1
Supply Voltage : 1
Application : Computer
Type : Voltage Regulator
Operating Temperature : -40-+85
Origin : China
Condition : New
The module (MicroSD Card Adapter) is a Micro SD card reader module, through the file system and the SPI interface driver, MCU to complete the file system to read and write MicroSD card. Users can directly use IDE comes with an SD card to complete the library card initialization and read-write Module features are as follows: 1. Supports Micro SD cards, Micro SDHC card (high speed card) 2 level conversion circuit board that interfaces level for 5V or 3.3V 3 power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board 4 is a standard communication interface SPI interface 5.4 M2 screw positioning holes for easy installation Control Interface: A total of six pins (GND, VCC, MISO, MOSI, SCK, CS), GND to ground, VCC is the power supply, MISO, MOSI, SCK is SPI bus, CS is the chip select signal pin; 3.3V voltage regulator circuit: LDO regulator output is 3.3V level converter chip, Micro SD card supply; Level conversion circuit: Micro SD card into the direction of the signal is converted to 3.3V, MicroSD card interfaces to control the direction of the MISO signal is also converted into 3.3V, general AVR microcontroller system can read the signal; Micro SD card connector: a self-bomb deck, easy card insertion. Positioning holes: 4 M2 screws positioning hole diameter is 2.2mm, the positioning of the module is easy to install, to achieve inter-module combination;
The line layout is compact and regular, with good electrical insulation and mechanical stability, and can maintain stable performance under different temperature and humidity environments to ensure accuracy and reliability.
In circuit design, carefully planned lines are like precision transportation networks, and lines of different widths and spacings undertake different currents and signals transmission tasks respectively. The key signal lines are impedance matching processing, which greatly reduces signal reflection and attenuation and ensures the stable transmission of high-frequency signals.
All kinds of electronic components are soldered on the circuit board, and the solder joints are full, round, and firm and reliable. Core components like chips are perfectly connected to the circuit board through fine packaging processes to achieve high-speed data processing and interaction.
This circuit board has a wide range of responses in many fields. Whether in the industrial control field that requires extremely high stability or consumer electronics field that pursues extreme performance, it can provide solid guarantees for the stable operation of the equipment with its excellent design and reliable performance, and help various electronic devices play a powerful role.
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