Arduino Data Logger Shield SD Card RTC Logging Recorder Module UNO

📊 Arduino Data Logger Shield V1.0 – SD Card + RTC Logging Module | AuscomTech

The Arduino Data Logger Shield V1.0 is a stackable logging and recording module designed for Arduino UNO–compatible boards, enabling reliable data storage to SD card with real-time timestamping via an onboard RTC (Real Time Clock).

This shield is ideal for projects that require long-term data collection from sensors such as temperature, humidity, voltage, current, switches, or other digital and analog sources. Logged data is stored on a standard SD card using FAT16 or FAT32 file systems, making it easy to transfer and analyse on a computer.

An onboard 3.3V regulator and level shifting circuitry ensure safe and stable operation of SD cards, even those with higher current requirements. A battery-backed RTC maintains accurate timekeeping even when the Arduino is powered off.

⭐ Key Features

💾 SD Card Data Logging
Supports FAT16 and FAT32 formatted SD cards for simple file-based data storage.

⏱️ Real-Time Clock (RTC)
Onboard RTC with battery backup keeps accurate time even when the Arduino is unplugged.

🔌 Arduino Shield Form Factor
Stackable design plugs directly onto Arduino UNO-style headers.

⚡ 3.3V Regulation & Level Shifting
Protects SD cards and ensures reliable operation with high-current cards.

🧪 Prototyping Area
Exposed solder pads for adding sensors, connectors, or custom circuitry.

🌡️ Wide Operating Temperature Range
Designed for reliable operation from -40°C to +85°C.

📦 Library & Example Support
Compatible with common Arduino SD and RTC libraries for quick setup.

📊 Technical Specifications

Storage

• Media: SD / Micro SD (via SD adapter if required)

• File System: FAT16 / FAT32

• Interface: SPI

RTC

• Battery Backup: Yes (coin cell, not always included)

• Time Retention: Years (battery dependent)

Electrical

• Operating Voltage: 5V (from Arduino)

• Onboard Regulator: 3.3V

• Level Shifting: Yes (SD-safe)

Environmental

• Operating Temperature: -40°C to +85°C

Mechanical

• Form Factor: Arduino UNO Shield

• Design: Stackable with pass-through headers

Compatibility

• Arduino UNO

• Arduino Duemilanove

• Arduino Diecimila

• Arduino Leonardo

• Arduino Mega R3 or newer

• ❌ Not compatible with Mega R2 or older

🧩 Typical Applications

• Sensor data logging
• Environmental monitoring
• Temperature & humidity tracking
• Energy and power monitoring
• Field data collection
• Long-term experiments
• Arduino-based recorders

⚠️ Important Notes

• SD card not included
• RTC backup battery may be included depending on batch
• Uses SPI — avoid SPI pin conflicts with other shields
• Data is stored as files readable directly on a computer

📦 Package Includes

• 1 × Arduino Data Logger Shield V1.0 (SD + RTC)