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SD module

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**SD module**

What is SD module?

An SD (Secure Digital) module is a hardware interface that allows microcontrollers or other embedded systems to read from and write to SD cards. It provides the necessary level shifting and signal conditioning required to interface the SD card's low-voltage signals with the microcontroller's higher-voltage signals. These modules are commonly used for data logging, storing configuration files, or playing audio files in embedded applications.

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