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Micro SD Storage Expansion Board with SPI Interface for Arduino
Price range: $3.38 through $47.53
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Micro SD storage expansion board for Arduino with SPI interface and 3.3V voltage regulation.
- Supports Micro SD and SDHC cards
- Level shifting for 5V/3.3V compatibility
- Easy card insertion with bomb deck connector
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Estimated Delivery Time3β7 business days
Seamless Arduino Storage Expansion
This Micro SD storage expansion board provides a straightforward way to add external storage to Arduino projects. Its SPI interface ensures reliable communication, supporting both standard Micro SD and high-speed SDHC cards.
Designed for hobbyists and professionals alike, it simplifies handling large data files like sensor logs, images, or audio recordings.
Built-in Voltage Regulation and Level Shifting
The board features a 3.3V LDO regulator supplying power to the Micro SD card. It also includes level conversion circuitry, allowing compatibility with both 5V and 3.3V logic signals, protecting your microcontroller and memory card.
- Supports operating voltage from 4.5V to 5.5V
- Converts signal levels between 5V microcontrollers and 3.3V Micro SD cards
Standard SPI Interface with Clear Pin Configuration
Control and communication utilize six pins: GND, VCC, MISO, MOSI, SCK, and CS. This standard pinout enables easy integration with most microcontroller platforms that support SPI.
- GND: ground reference
- VCC: power supply input
- MISO, MOSI, SCK: SPI communication lines
- CS: Chip select signal
Convenient Physical Design for Integration
Equipped with four M2 mounting holes, each 2.2mm wide, the board allows secure installation and stacking within projects. The bomb deck-type Micro SD card slot facilitates effortless card insertion and removal without soldering or additional tools.
- 4x M2 screw holes for stable mounting
- Bomb deck card slot for quick changes
Key Specifications
- Power supply: 4.5V to 5.5V input
- 3.3V LDO voltage regulator
- Supports Micro SD and SDHC cards
- SPI communication interface
- 4 mounting holes for M2 screws
- Control pins: GND, VCC, MISO, MOSI, SCK, CS
What's in the box
- 1x Micro SD Storage Expansion Board with SPI Interface
Product FAQ
Frequently asked questions
01 What type of Micro SD cards does this board support?
It supports Micro SD and Micro SDHC cards, including high-speed variants.
02 What voltage levels does this board operate at?
The board supports 4.5V to 5.5V input power and includes a 3.3V voltage regulator for the Micro SD card.
03 Which communication interface does the storage expansion board use?
It uses a standard SPI (Serial Peripheral Interface) communication interface.
04 How many control pins are required to interface with this board?
Six pins: GND, VCC, MISO, MOSI, SCK, and CS are used for control and communication.
05 Is the board compatible with 5V and 3.3V microcontroller systems?
Yes, the level conversion circuit allows interfacing with both 5V and 3.3V microcontroller systems.
06 Does the board provide a regulator circuit?
Yes, it includes an LDO 3.3V regulator circuit to power the Micro SD card and convert signal levels.
07 Are there mounting options available on this board?
The board has four M2 mounting holes with a 2.2mm diameter for easy installation and inter-module combination.
08 How is the Micro SD card inserted and removed?
The card slot uses a bomb deck connector design for easy insertion and removal without soldering.
09 What is the function of the chip select (CS) pin?
The CS pin acts as the chip select signal to communicate with the Micro SD card over SPI.
10 Can this module be used with AVR microcontroller systems?
Yes, the signal level shifting supports reading signals easily by typical AVR microcontroller systems.
Discussion
4.7
Based on 29 reviews
The order was received, everything is fine. I recommend the seller.
Everything arrived and is working.
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