# Data Storage Module

> Data storage modules: microSD/SD card slots, MicroSD shields, I2C EEPROM modules and card-based MP3 modules

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/data-storage-module
- Category: Mechatronics and IoT > Sensors and Modules > Data Storage Module
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (8)

### Serial Data Recording Module, microSD, ATmega328, Blackbox, 3-12V
- Page: https://sigmanortec.ro/en/serial-data-recording-module-microsd-atmega328-blackbox-3-12v
- Details: https://sigmanortec.ro/en/llms/p/2346.md
- Price: 27.94 RON
- Availability: In stock; 1-2 zile
- Reference: 88161 · EAN: 5948055821216
- Specifications: Supply Voltage: 3; Maximum Input Voltage: 12; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Microcontroller: ATmega328; Communication interface: Serial; Memory card support: microSD

OpenLog module with ATmega328 (16 MHz) for recording serial data to a microSD card (up to 64GB, FAT16/FAT32). UART TTL interface, baud rate configurable via CONFIG.TXT (2400-115200 bps). Power supply 3-12 VDC (recommended 3.3-5V), current draw 2-3 mA idle, 6-20 mA while logging. 2 status LEDs for writing. Compatible with Naze32 F3, Cleanflight, Betaflight, iNav for Blackbox logging on drones.

### MicroSD Sniffer Adapter, SPI Test
- Page: https://sigmanortec.ro/en/microsd-sniffer-adapter-spi-test
- Details: https://sigmanortec.ro/en/llms/p/2197.md
- Price: 8.88 RON
- Availability: In stock; 1-2 zile
- Reference: 88043 · EAN: 5943064011108

MicroSD Sniffer Adapter (ref. 88043) for testing and debugging SPI communication between a microSD card and a microcontroller. Features a standard microSD socket, a connector that plugs directly into the port, and 2.54mm breakout pins for DAT1, DAT0, CLK, VCC, GND, CMD, CD, DAT2. Allows real-time monitoring with a logic analyzer or oscilloscope. Dimensions: 47 x 28mm.

### Shield MicroSD D1 Mini
- Page: https://sigmanortec.ro/en/shield-microsd-d1-mini
- Details: https://sigmanortec.ro/en/llms/p/711.md
- Price: 8.47 RON
- Availability: In stock; 1-2 zile
- Reference: 33158 · EAN: 5943395391672

The MicroSD D1 Mini shield is a board that attaches to a Wemos D1 Mini via extension pins, adding a slot for Micro SD/Micro SDHC cards, typically up to 32GB. It communicates via SPI, operates at 3.3V, and uses pins D5 (SCK), D6 (MISO), D7 (MOSI), D4 (CS). It supports FAT16/FAT32 file systems and the Arduino SD or SdFat libraries, useful for data or file logging.

### MicroSD module
- Page: https://sigmanortec.ro/en/microsd-module
- Details: https://sigmanortec.ro/en/llms/p/410.md
- Price: 4.38 RON
- Availability: In stock; 1-2 zile
- Reference: 22127 · EAN: 5946405725443

Arduino-compatible MicroSD module for reading and writing MicroSD and MicroSDHC cards, suitable for data logging and file storage in embedded projects. Communicates via SPI interface, powered with 5VDC on VCC with an integrated 3.3VDC regulator. Features 6 pins: GND, VCC, MISO, MOSI, SCK, CS, plus 4 M2 mounting holes with a 2.2mm diameter.

### AT24C256 I2C EEPROM module
- Page: https://sigmanortec.ro/en/at24c256-i2c-eeprom-module
- Details: https://sigmanortec.ro/en/llms/p/374.md
- Price: 7.24 RON
- Availability: In stock; 1-2 zile
- Reference: 33156 · EAN: 5944620361170

The AT24C256 I2C EEPROM module provides non-volatile memory for storing settings and data in microcontroller projects. It communicates via a two-pin I2C interface, has a capacity of 256 Kb, operates at 3.3V or 5V, is compatible with the AT24CXX family and integrates easily on breadboards or in prototypes.

### AT24C256 V2 EEPROM module, I2C
- Page: https://sigmanortec.ro/en/at24c256-v2-eeprom-module-i2c
- Details: https://sigmanortec.ro/en/llms/p/375.md
- Price: 9.68 RON
- Availability: In stock; 1-2 zile
- Reference: 33352 · EAN: 5941638917733

AT24C256 V2 EEPROM module with I2C interface, used to expand memory in Arduino projects when the ATmega's internal EEPROM is not enough. Capacity 256Kbit (32KB), supply voltage 1.8-5V. Retains stored data even without power, and the AT24C256 chip can be replaced for maintenance or upgrade.

### SD card mode
- Page: https://sigmanortec.ro/en/sd-card-mode
- Details: https://sigmanortec.ro/en/llms/p/351.md
- Price: 5.20 RON
- Availability: In stock; 1-2 zile
- Reference: 33228 · EAN: 5946705347499

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.

### MP3 module mini WTV020 MiniSD card
- Page: https://sigmanortec.ro/en/mp3-module-mini-wtv020-minisd-card
- Details: https://sigmanortec.ro/en/llms/p/411.md
- Price: 16.92 RON
- Availability: In stock; 1-2 zile
- Reference: 33153 · EAN: 5942818771008

Mini audio module WTV020 for MP3 and WAV playback, with MicroSD MiniSD card reader and 16-bit DAC. Communicates via CLK/DATA or UART232, supports button control and folder organization. Power supply 2.6-3.6VDC, FAT card 32MB-1GB, IC GD3200A. Can operate standalone, powered by battery or microcontroller; compatible with Arduino and other development boards.