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.
| Parameter | Value |
|---|---|
| Card Type | Micro SD / TF |
| Interface | SPI |
| Voltage | 5V or 3.3V |
| Card Insert Detection | Yes |
| Solder Pads | Through-hole |
| Dimensions | 45mm x 28mm |
| Compatibility | Arduino UNO, Mega, Nano |
= 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
√ Header pins included
√ 3.3V regulator onboard
√ Works with all Arduino boards
Standard wiring:
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
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.
Card not detected:
Read/write errors: