YX5300 Serial MP3 Player – Message Sequencing

Since my previous YX5300 post I have received a number of questions related to how the serial messages between a host and the MP3 module work. Understanding this message flow is important when writing code that uses the MP3 player in an interactive application.

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Persisting Application Parameters in EEPROM

When an application starts, any data was was part of a previous execution is reset to the initialised values of the variables. Often, however, it is desirable to maintain configuration and state values between processor resets. EEPROM is a good option to store these values.

This article explores ways to make this task easy.

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