Solicitation | web audio streaming player

## Product description:

A player based on esp32 that can play online audio streams. It has reserved interfaces for connecting to other audios for future expansion.
There are no physical buttons designed, and the interaction is on the web side.

## Overall design scheme block diagram
! [Block diagram.JPG]
## Schematic design description

! [Schematic diagram.png]
## PCB design description

The core module is powered separately to avoid noise.
The op amp adjusts the amplification factor based on the actual output.

## The software description
uses michelep’s open source code, open source link: https://github.com/michelep/ESP32_WebRadio.

You need to fill in the wifi information into the json file yourself.
The audio stream can be modified through the web console or directly filled in json.

Enter the IP address of esp32 in the browser (ask your home router if you don't know) to access the web console. ![web console.JPG]

## Physical display description

![web player.jpg]
## Note:

Disconnect r8 and provide separate power supply to the core board to avoid noise interference.

The mute of the power amplifier can be optimized. I directly pull up 12v , can be modified to be controlled by the core module.

When purchasing the esp32 core module, pay attention to the packaging.

The operational amplifier amplification must be adjusted.

##

See the attachment for the demonstration video