MicroSD Card Module SPI Interface for Arduino

The MicroSD Card Module (TF Card Adapter) is a compact and efficient storage solution designed for Arduino and microcontroller projects. It allows easy reading and writing of data using the SPI interface, making it ideal for data logging, file storage, and embedded system applications.

This module is fully compatible with Arduino IDE libraries, enabling quick setup and seamless integration. With built-in voltage regulation and level shifting, it supports both 3.3V and 5V systems, ensuring safe and stable performance.

Designed for convenience, it features a push-pull MicroSD card slot and mounting holes for easy installation, making it perfect for DIY electronics, robotics, and automation projects.

Features

• Supports MicroSD (≤2GB) and MicroSDHC (≤32GB) cards

• SPI interface for fast and reliable communication

• Compatible with Arduino and microcontrollers

• Built-in 3.3V regulator and level conversion

• Works with both 3.3V and 5V systems

• Push-pull card slot for easy insertion/removal

• Compact size: 4.1 × 2.4 cm

• 4 mounting holes for secure installation

Benefits & Uses

• • Ideal for data logging and file storage projects

  • Easy integration with Arduino IDE libraries

  • Stable performance with voltage regulation

  • Perfect for robotics, IoT, and embedded systems

Pin Configuration

• GND – Ground

• VCC – Power supply (4.5V–5.5V)

• MISO, MOSI, SCK – SPI communication pins

• CS – Chip select signal

• Support Micro SD Card (<=2G), Micro SDHC card (<=32G) (high-speed card)

• The level conversion circuit board that can interface level is 5V or 3.3V

• Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board

• Communication interface is a standard SPI interface

• 4 M2 screw positioning holes for easy installation

• Size: 4.1 x 2.4cm

• 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 the SPI bus, CS is the chip select signal pin

• 3.3V regulator circuit:
  LDO regulator output 3.3V as level converter chip, Micro SD card supply

• Micro SD card connector:
  Since the bomb deck for easy card insertion and removal.

• Positioning holes:
  4 M2 screws positioning hole diameter of 2.2mm, the module is easy to install positioning, to achieve inter-module combination