# SD card mode

> Arduino-compatible SD card module for reading and writing data on SD and SDHC cards via the SPI interface. Powered at 5VDC on the VCC pin, with an integrated 3.3VDC voltage regulator. Features 6 pins: GND, VCC, MISO, MOSI, SCK, CS and 4 M2 mounting holes with 2.2mm diameter. Suitable for data logging, storing configurations or files in Arduino projects.

- Page: https://sigmanortec.ro/en/sd-card-mode
- Price: 5.20 RON
- Availability: In stock; 1-2 zile
- Reference: 33228 · EAN: 5946705347499
- Category: Mechatronics and IoT > Sensors and Modules > Data Storage Module
- Package (shipping data): 0.009 kg
- Updated: 2026-09-14
- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Prices: RON, VAT included; prices and stock as of 2026-10-22 02:22 (Europe/Bucharest)

## Description

Allows reading and writing data to SD card directly from Arduino projects, ideal for logging, storing configurations or files. Communicates quickly via SPI interface, supports SD and SDHC cards, is powered at 5V on VCC with integrated 3.3V regulator for compatibility, has 6 essential pins and 4 M2 mounting holes for secure mounting.
This Arduino compatible module is an SD card reader for reading and writing cards via system files and the SPI communication interface.
Support: SD SDHC cards
Power supply voltage: 5VDC at the VCC power pin; integrated 3.3VDC voltage regulator
Number of pins: 6 - GND, VCC, MISO, MOSI, SCK, CS
4 mounting holes M2 diameter 2.2mm