Micro SD Storage Expansion Board for Arduino

= Mini TF Card Memory Shield Module =

This mini micro SD card expansion module allows Arduino boards to read and write data to TF cards. It provides SPI interface storage expansion for data logging, file storage, and media playback projects.

= Technical Specifications =

= Key Features =

Breadboard Friendly - Standard pin spacing

Card Detection - Detects card presence

Onboard Regulator - 3.3V output for card

Status LED - Power indication

Easy Interfacing - SPI library supported

== Applications ==

1. Data logging projects
2. MP3 music players
3. File storage systems
4. Configuration file storage
5. Image display modules
6. Sensor data recording

√ Header pins included

√ 3.3V regulator onboard

√ Works with all Arduino boards

= Pin Connections =

Standard wiring:

• CS: Pin 4 (default)
• MOSI: Pin 11
• MISO: Pin 12
• SCK: Pin 13
• VCC: 5V power
• GND: Ground

= Software Setup =

Arduino SD library provides simple functions for file operations. Standard commands include begin, open, write, read, and close. The library supports multiple files and directory structures.

Simple Commands - Easy file operations

Multiple Files - Supports directory structure

√ Pre-tested for reliability

√ Standard SPI interface

√ Card detection included

= Usage Tips =

Common operations include creating text log files, storing configuration data, playing WAV audio files, and displaying BMP images. Format card as FAT32 first for best compatibility.

= Troubleshooting =

Card not detected:

• Check SPI connections
• Verify card format
• Avoid unsupported card types

Read/write errors:

• Check power supply
• Use quality SD cards
• Avoid corrupt file systems