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The Mini Micro SD Card Reader Module is an essential component for any electronics enthusiast looking to expand memory capabilities in embedded systems. It allows users to connect a standard microSD card to their microcontroller using the SPI interface, offering seamless integration with platforms like Arduino, ESP8266, STM32, and Raspberry Pi. This module is ideal for data logging, media storage, and IoT projects where efficient data exchange is required.
Designed with a built-in 3.3V regulator, the reader ensures stable and safe voltage levels for both the microcontroller and the SD card. Whether you’re working on a weather station, GPS logger, or multimedia project, this reader offers consistent and reliable memory access in a compact and cost-effective package.
🔧 Key Features
- Compact Micro SD card reader module
- SPI interface for easy microcontroller communication
- Onboard voltage regulator – safe 3.3V operation
- Supports standard Micro SD cards (FAT16/FAT32)
- Compatible with Arduino, STM32, ESP32, and more
- Ideal for data logging, audio/video storage, and embedded apps
📐 Technical Specifications
| Product Name | Mini Micro SD Card Reader Module |
| Interface | SPI (MISO, MOSI, SCK, CS) |
| Pin Count | 6 Pins (GND, VCC, MISO, MOSI, SCK, CS) |
| Power Supply Voltage | 3.3V (Onboard LDO regulator) |
| Supported SD Formats | Micro SD, SDHC (FAT16/32) |
| Logic Level Compatibility | 3.3V and 5V systems |
| Voltage Regulator Type | LDO 3.3V Regulator |
| Operating Temperature | -20°C to +85°C |
| PCB Dimensions | Approx. 28mm x 20mm |
| Mounting Type | Through-hole/solderable headers |
| Application Use Cases | Data logging, media playback, external storage |
| Weight | Approx. 4g |
📌 Applications
- Data logger systems
- Embedded media storage
- Arduino/ESP32/STM32 project memory expansion
- Wearable and IoT devices
- DIY automation and robotics
💡 Why Choose This Module?
The Mini Micro SD Card Reader Module offers an easy and reliable way to add external memory to your embedded project. Its compact design, robust compatibility, and built-in voltage regulation make it an ideal choice for hobbyists and professionals alike.
📦 Package Includes
- 1 × Mini Micro SD Card Reader Module
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