Perfect for what i want them. these are inexpensive for storing data files locally for your application.
Micro SD Card Reader Module 3.3V SPI for Arduino ESP32 DIY
Reliable 3.3V micro SD card reader module for Arduino and ESP32 projects.
- Standard SPI interface compatible with most boards
- Headers included but require soldering for flexible installation
- Supports FAT16 and FAT32 file systems
Designed for Arduino and ESP32 Projects
This Micro SD Card Reader Module is tailored for use with Arduino and ESP32 development boards. Its compact size and reliable operation support various electronics projects including data logging and photo storage.
The module uses a standard SPI interface, making it compatible with a wide range of microcontroller firmware and ensuring easy integration into your existing setups.
Protective Onboard Features
Equipped with a 3.3V voltage regulator and level shifting circuitry, this module safeguards your micro SD card and mainboard from voltage mismatches and electrical damage.
This attention to protection ensures stable and consistent communication with the micro SD card under 3.3V operation, preventing common issues caused by interfacing with 5V logic.
Flexible Installation with DIY Soldering
Headers are included but require user soldering, granting flexibility in orientation β either vertical or right-angle β to fit your project enclosure design perfectly.
This feature is ideal for makers who want to customize their wiring layout without restrictions imposed by pre-soldered headers.
Compatible File Systems and Card Types
Supports FAT16 and FAT32 file systems, the most common formats for micro SD cards in embedded applications.
Designed exclusively for micro SD (TF) cards, it guarantees wide availability and compatibility for storage needs in your projects.
Key specifications
- Chip: Standard SD card controller IC
- Interface: SPI
- Operating Voltage: 3.3V only
- Supported Card: Micro SD (TF) card
- File System: FAT16, FAT32
- Board Size: 18.5mm Γ 17.5mm
What's in the box
- 1 x Micro SD Card Reader Module
- 1 x Set of 2.54mm Pin Headers
Frequently asked questions
01 What operating voltage does this Micro SD Card Reader module use?
This module operates at 3.3V and should not be connected directly to 5V systems to avoid damage.
02 Are the headers pre-soldered on the Micro SD Card Reader module?
No, the headers are included but not soldered, allowing you to choose your preferred orientation and solder them yourself.
03 Which microcontrollers is this module compatible with?
It is designed for Arduino and ESP32 microcontrollers with a standard SPI interface.
04 What file systems does the Micro SD Card Reader module support?
This module supports FAT16 and FAT32 file systems on micro SD cards.
05 What type of memory card does this reader module support?
It supports micro SD cards, also known as TF cards.
06 Can I use this module for data logging applications?
Yes, it is suitable for data logging such as sensor data, GPS tracking, and other projects.
07 What is the size of the Micro SD Card Reader module board?
The board size is approximately 18.5mm by 17.5mm.
08 Does the module have onboard protection features?
Yes, it includes an onboard 3.3V regulator and a level shifting circuit to protect the SD card and your mainboard.
09 Is this module compatible with open-source firmware?
Yes, it uses a standard SPI interface compatible with most development boards and open-source firmware.
10 What comes included in the package?
The package includes one Micro SD Card Reader module and a set of 2.54mm pin headers.
Discussion
Works great
They have not been tested, but they seem to be fine.
Good quality and works fine
Working good with esp32 over spi.
