The Data Logging Shield for Arduino with RTC Real time clock is a powerful, easy-to-use expansion module designed for reliable data recording, timestamping, and prototyping in electronics and embedded systems projects. Perfect for projects that require long-term monitoring, sensor data storage, and real-time tracking, this shield integrates an SD card interface, onboard Real Time Clock (RTC) with battery backup, and a large prototyping area for custom circuits and sensor integration.

The SD card module supports FAT16/FAT32 file systems with a built-in 3.3V level shifter for safe and stable data writing. The RTC maintains accurate date and time even when the Arduino is powered off, enabling precise logging for environmental monitoring, IoT systems, automation, and scientific experimentation. Compatible with Arduino UNO, Duemilanove, Diecimila, Leonardo, Mega R3 and later models, this shield delivers excellent stability and expandability for students, hobbyists, and engineers in Bangladesh.

Features:

• SD card interface compatible with FAT16 and FAT32 formats

• Built-in 3.3V level shifter for safe SD card operation

• Onboard Real Time Clock (RTC) with battery backup for accurate timekeeping

• Dedicated prototyping area for adding sensors, circuits, and custom wiring

• 3.3V constant voltage regulator suitable for high-power SD cards

• Compatible with Arduino UNO, Duemilanove, Diecimila, Leonardo, ADK/Mega R3 or later

• Simple plug-and-play shield design with stacked pin headers

• Ideal for data logging, environmental monitoring, and IoT applications

How to Use:

• Align and insert the shield onto your Arduino board, pressing evenly on both sides

• Ensure all pins are firmly connected before powering the Arduino

• Insert a FAT16/FAT32 formatted SD card into the SD slot

• Upload data logging sketches using Arduino IDE

• Use the RTC library to timestamp sensor data accurately

• Connect sensors or custom circuits to the prototyping area for data recording

Product Instructions:

Using the RTC:

• Connect the Arduino to your computer

• Download the RTClib library from the provided GitHub link

• Extract the ZIP into the Arduino "libraries" folder

• Restart Arduino IDE

• Load the RTC example code

• Select the correct board and COM port

• Upload the code and open Serial Monitor to verify the date/time

Using the SD Card:

• Insert a formatted FAT16/FAT32 SD card into the shield

• Open Arduino IDE and load the "CardInfo" example

• Upload the sketch

• Open Serial Monitor to view SD card status and contents

Specifications:

• SD Card Compatibility: FAT16, FAT32

• Voltage Regulation: 3.3V onboard regulator

• Level Shifting: Integrated 3.3V SD card level shifter

• RTC Module: Real Time Clock with battery backup

• Prototype Area: Available for sensors and circuit expansion

• Supported Boards: Arduino UNO, Duemilanove, Diecimila, Leonardo, ADK/Mega R3 or newer

• Not Compatible: ADK/Mega R2 or older models

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