I2S MAX98357 Bluetooth Speaker project for ESP32 microcontroller / Programming Arduino IDE

Published at : 23 Dec 2025

Audio playback using the MAX98357 DAC module using the I2S protocol. #esp32project bluetooth speaker on #esp32
Project navigation:
00:00 Introduction
00:10 What is needed for the project
00:22 DAC MAX98357
00:38 Connection diagram
00:50 Connecting to Esp32
02:11 Esp32 programming using Arduino IDE
02:44 Bluetooth connection
02:59 Sound test
03:17 Bad Signal Bluetooth
03:33 Conclusions

It is easy to assemble DIY bluetooth speaker the esp32 microcontroller and the MAX98357 module
The video uses the ESP32-A2DP library for the Arduino IDE https://github.com/pschatzmann/ESP32-A2DP

#AFYU channel about Internet of Things. You can find an overview and tutorial of sensors to various microcontrollers on this channel. Work with such devices: ESP32, ESP8266, STM32, Raspberry Pi, Arduino microcontrollers. Programming in Arduino IDE, PlatformIO IDE. Here you can learn how to assemble DIY smart home devices.
Channel author Yuriy Afanasiev

Music:
World War Outerspace - Audio Hertz
Mission to Mars - Audio Hertz