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ESP32 Audio Development Board

by: Apr 08,2022 1219 Views 0 Comments Posted in Engineering Technical

Audio&Music ESP32 Raspberry Pi

Summary:       Portable, open-source, ESP32-powered audio-development platform with a touchscreen and support for Bluetooth & Wi-Fi connectivity



ESP32 Audio Development Board is a audio development platform based on the ESP32. It can open a wide variety of user interaction with rich peripherals. It is portable and wearable, owns battery management on board. In addition, it is compact enough to fit almost any enclosure.The ESP32 Audio Development Board will be available in a full-featured touch screen version and a portable mini version.


Wireless Audio Touchscreen Versatility

ESP32 Audio Development Board is versatile and can be used in many situations.It can become a Wi-fi/Bluetooth capable portable speaker, internet (Wi-Fi) radio, or as a smart speaker via your platform of choice (e.g. Spotify).It can even be used in talking gadgets and wearables based on wirelessly connected audio.


Features & Specifications

  • MCU Core

ESP32 Dual Core 32-bit LX6 microprocessor running at 240 MHz

16 MB of flash storage

8 MB of PSRAM

CP2102 Serial communication / Flashing chip

  • Battery management

Li-Ion battery charging with charge status indication

Battery overcharge and overdischarge protection

Battery overcurrent protection

Onboard 14500 battery holder (except mini version), or 2-pin connector for external battery

Battery voltage reading using built-in DAC

Onboard power switch

  • Audio capabilities

Dual I2S stereo DAC (Maxim Integrated MAX98537) with built in D-Class amp

3 W per channel on 4 Ohm load

Up to 92% efficiency

Onboard 5.5 V boost converter

  • Peripherals

2.8", 320 x 240 px TFT Screen with touch sensor (except mini version)

Wi-fi and Bluetooth

IR reader (except mini version)

RGB LED, RGB LED strip header

SDCard socket (except mini version)

JTAG header (except mini version)

Rotary encoder/Joystick header (except mini version)

  • Other

RESET and GPIO0 (FLASH) buttons

Raspberry Pi 4 case mechanical compatibility (except mini version)

Software samples for every onboard peripheral


Open Source

You can find documentation such as board schematics, firmware, and software samples in our GitHub repository. You can also follow progress on our Hackaday.io page.


The project is being crowdfunded on CrowdSupply, go to support it if you are interested!


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