Description
Need more storage for your microcontroller project? This Micro SD / TF Card Reader Module is the perfect add-on for building data loggers, media players, or any project requiring reliable external memory.
Using the standard SPI interface, it’s compatible with most microcontrollers including ESP32, ESP8266, Arduino, and Raspberry Pi. Its compact design, dual-voltage support, and simple wiring make it ideal for embedded applications.
- Product: Micro SD / TF Card Reader Module with SPI Interface
- Interface: SPI (Serial Peripheral Interface)
- Supported Cards: Micro SD & TF (up to 32GB)
- Voltage Compatibility: 3.3V and 5V systems
- Dimensions: 22mm x 17mm
- Operating Temp: -25°C to +85°C
- Form Factor: Compact PCB with clearly labelled pin headers
Key Features:
- Adds external storage to any SPI-enabled microcontroller
- Compatible with ESP32, ESP8266, Arduino Uno/Nano, and Raspberry Pi
- Supports micro SD and TF cards up to 32GB
- 3.3V and 5V tolerant – ideal for mixed-voltage systems
- Compact size – easy to integrate into space-constrained builds
- High-speed data transfer over SPI
- Easy-to-use with Arduino SD libraries
- Robust and reliable for long-term use
What’s Included:
- 1x Micro SD / TF Card Reader Module (SPI Interface)
Great For:
- Data logging (e.g. sensor values, timestamps)
- Storing audio, video, or image files in media players
- Recording GPS or environmental data in IoT projects
- Arduino-based SD file system demos
- Expanding memory on compact boards like ESP32/ESP8266
- Educational kits and microcontroller prototyping
Usage Tips:
- Use SD.h or SdFat library with Arduino IDE for simple file management
- Connect SPI pins (CS, SCK, MOSI, MISO) to match your board
- Format the SD card as FAT16 or FAT32 for best compatibility
- Use level shifting if your board runs purely at 3.3V
- Mount securely to avoid card disconnections in mobile projects

