Specifications:

Shield Type: Data Logger Shield
Compatible Boards: Arduino UNO, Mega, Diecimila, Leonardo
Voltage Regulator: Integrated 3.3V onboard regulator
SD Card Support: Compatible with FAT16 and FAT32 formatted cards
Dimensions: 8 × 5 × 3 cm
Weight: 15 grams

1. What is an Arduino Data Logger Shield?

An Arduino Data Logger Shield is an add-on board that connects directly to an Arduino microcontroller and enables it to record and store data over a period of time. It is commonly used in projects where sensor readings or system data need to be saved for future analysis.

Most data logger shields include onboard storage, typically through an SD card slot, allowing large amounts of data to be stored efficiently. They also feature the necessary interface circuitry to communicate smoothly with the Arduino and connected sensors.

Data Logger Shields are widely used in applications such as environmental monitoring, scientific experiments, industrial automation, and long-term sensor data recording. They are essential for projects that require continuous data collection and storage.

2. Why are data loggers used?

Data loggers are used to automatically record and store data over time without requiring constant human supervision. They collect information from sensors or other input devices and save it for later review and analysis.

These devices are especially useful in situations where continuous monitoring is needed, such as tracking temperature, humidity, pressure, voltage, or other environmental and system parameters.