* Monitor in the Arduino IDE). If it sees 1-9 it will try to play an MP3 file * named track00x.mp3 where x is a number from 1 to 9. For eaxmple, pressing * 2 will play 'track002.mp3'. A lowe case 's' ...

The module can be used as a standalone module with attached battery, speaker and push buttons or used in combination with an Arduino or any other microcontroller with serial communication (UART) ...

A tiny MP3 module that seemed determined to test the limits of my patience. Over the next three months, I found myself wrestling with everything from basic circuits to the finicky quirks of this ...

A 1kΩ resistor is put in between the Arduino digital pin 9 and MP3 module's RX to drop the voltage down from the Arduino’s 5V. Programming Arduino Nano for Decorative Christmas Tree Once we are ready ...

In this tutorial we discussed the Sound sensor, its pinout, working, and how to interface it with Arduino. This article includes a complete Arduino code and circuit diagram along with a step-by-step ...

By design, MP3 players are very modern looking devices, but if you'd like a little more retro flair, electronics blog Arduino Guay shows how to build ...

An Arduino on the build queries a GPS module and selects the audio file from an MP3 playback module. This isn’t uncommon, and a lot of large outdoor museums (think battlefields) have similar setups.