The SD card module works with standard micro SD cards whose operating voltage is 3.3 V. The DS3231 RTC module is interfaced with Arduino using the I2C communication (SCL, SDA). The data logger consists of a DS3231 RTC module, a light dependent resistor, LM35 temperature sensor, a potentiometer and a micro SD card module all attached to Arduino as shown below. Setting up of the Arduino Data logger with SD Card. At the same time I will also be able to observe this data on an Excel spreadsheet on my computer through serial communication with the help of the PLX-DAX tool. This data logger is going to save the date, time, temperature, light intensity and an analog reading on a micro SD card. In this tutorial I want to show you how make a simple Arduino based Data logger using a micro SD card and how we can also do real time data analysis using Microsoft Excel with the help of the PLX-DAX tool. For example if we know the temperature, humidity, pressure and other weather conditions of a given area over a given period of time, we can easily plan for different seasons and prepare for any disasters if they are to occur. How the Arduino Data Logger using SD card worksÄata logging is very important in projects involving collection, analysis and interpretation of data.Setting up of the Arduino Data logger with SD Card.
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