Whadda SD Card Logging Shield For Arduino - WPI304N

The shield supports standard SD cards formatted with FAT16 or FAT32 file systems. It does not officially support SDHC or SDXC cards without additional library modifications or specific hardware configurations.

Typically, shields like this require user assembly. You will likely need to solder the header pins yourself to connect the shield to the Arduino board.

You will need to write an Arduino sketch that sets the time on the RTC module. This is usually done once when the shield is first powered up, or by a specific command in your code.

This shield is specifically designed for Arduino microcontrollers. While some interfaces might be adaptable, it is not directly compatible with a Raspberry Pi without significant modification and additional circuitry.

The shield operates with logic levels compatible with both 3.3V and 5V Arduino systems, providing flexibility in choice of microcontroller.

The RTC module typically has a small backup battery (often a coin cell) that keeps it running and maintaining time even when the main power to the Arduino is disconnected.

Ensure the SD card is formatted to FAT16 or FAT32. Verify the card is inserted correctly. Check your Arduino code for proper SD library initialization and pin assignments.

Confirm that the Arduino is receiving power and executing the code. Check for any compilation errors. Verify that the `SD.begin()` function in your code is returning true.

Ensure the RTC module is correctly connected and powered. You may need to set the time initially via your Arduino sketch. Check if the Arduino's battery backup for the RTC is functional.

Verify that the shield is securely seated on the Arduino's headers. Check for any bent pins or obstructions. Confirm pin definitions in your code match the shield's requirements.