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Learn Arduino Prototyping in 10 days by Kallol Bosu Roy Choudhuri

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Local storage with SD card modules

SD card storage is a relatively wide subject. Therefore, we will focus on the basics of interfacing, reading, and writing data to and from a micro SD card with the Arduino Uno platform. At the end of this topic, you will clearly understand how SD cards can be used in any electronic device for local storage capabilities.

In the example that we will build, our focus will be to understand the following basic activities:

  • Reading pre-configured data from an SD card and then using it in the C sketch
  • Writing new data to local files that can be ported or transferred to other mediums as required

Reading pre-configured data from an SD card is a common technique to have an external place to store the values of variables ...

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