Arduino Serial Data Logger

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Received 'HiLetgo Mini Logging Recorder Data Logger Module Shield V1.0 For Arduino UNO SD Card' that was non-functional. Solder joints from SD card slot to PCB suffered from both. Adafruit Industries, Unique & fun DIY electronics and kits Adafruit Assembled Data Logging shield for Arduino ID: 1141 - Here's a handy Arduino shield: we've had a lot of people looking for a dedicated and well-designed data logging.

This project will show you how to use a datalogger and how to registered analog values on a SD card.

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Components and supplies

Arduino UNO
Datalogger shield
Photo resistor
Resistor 10k ohm
Jumper wires (generic)
Breadboard (generic)

Arduino Data Logger Temperature

Apps and online services

About this project

Functioning and uses

A datalogger is a particular mounting which is able to registered some values on a support ( like SD card ) periodically. In other words, a measure, represented by a value, is realised every N second.

So this system can be used in many projects that need a measurement every N second and that have to record it on a non-volatile memory ( for meteorologist this type of system can be used to make probe like hygrometer or thermometer ).

When you plug your SD card into a computer, a excel file nammed Light is created and all the value of the analog reading appears in a column nammed Brightness value per seconds.


There are no connections to make between the Arduino UNO and the Datalogger Shield, you only have to plug the datalogger shield on the Arduino UNO.

The code of this project registered on the card the brightness per seconds. The values come from a photoresistor so connections are really simple.

Free digital binder software downloads.

Arduino serial data logger tool


This code will registered analog values read by the arduino on an SD card and create an excel file when this SD card is open on a computer.

Arduino Serial Data Logger Using


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Published on

October 29, 2019
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Arduino Serial Data Logger Pdf

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