![]() It supports multiple files like archives, audio, documents, etc. For conversion, you can use any audio converter software or website. This is because, the Arduino board supports only PCM Audio in WAVE File Format (.wav). The first thing is you have to convert the audio/music files to WAVE format i.e. There are some things you need to keep in mind before proceeding further. Once you have a circuit you can implement several sound effects in the projects, which are not possible under normal circumstances. The input pin of the audio amplifier module is connected to pin 9 of Arduino and the output is connected to the speaker. All these buttons are configured with internal pullups in the program. The play / Pause button is connected to Pin 3 and the next Track button is connected to Pin 2 of Arduino. Push buttons are for control the music playback functions like Play / Pause and the next track. SCK is connected to Pin 13, the MOSI and MISO pins are connected to Pins 11 and 12 of Arduino respectively. You can connect it to any digital pin of the Arduino board. The CS Pin of the SD Card Module is connected to Pin 10. The circuit diagram of the project is shown below. Additionally, a speaker is connected to the amplifier module. The SD card reader, push buttons, and audio amplifier module is connected to the Arduino board. ![]() The circuit diagram shows the connections between components. So, let’s get started with required components. It’s going to more excited when you build this. Using this Project, you can play, pause or change a song (audio file of a specific format) using an Arduino board. In today’s discussion we are going to discuss about an Arduino based music/audio player using micro SD card module and lm386 audio amplifier module.
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