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Lesson 106-2: Reading Voltage from a Potentiometer and Recording to Micro SD in CSV Format

In this lesson, we learn how to use a Micro SD card. We learn how to write to the card and how to read text. How to log voltage from a potentiometer to the memory card. How to save the data as CSV format so we can open it in a spreadsheet like Excel for plotting and other analysis.

This is step 5. We simply read the voltage from a potentiometer, and when a push button is pressed, the data from the Micro SD card is displayed on the serial monitor.

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