Instructions | ESP Audio Docks with onboard PSRAM

1

How to flash and configure ("ESP Audio Duo", "HiFi-ESP" and "Louder ESP" supported) using nothing but browser

Use Squeezelite-ESP32 installer to flash firmware first.
2

Use Generic/I2S profile
3

Connect device to USB port and select if from the list
4

Press Flash and wait around 2 minutes
5

(Optional) You may enter serial console to get more information
6

Configure device's Wifi

Device is in recovery mode. Connect to squeezelite-299fac wifi network with squeezelite password (your network name suffix will be different)
7

When redirected to captive portal let device scan wifi network and provide valid credentials
8

You can use provided IP address (http://192.168.1.99/ on the screenshot) to access settings page
9

["ESP Audio Duo", "HiFi-ESP"] Configure hardware

Navigate to Hardware section and provide following updates in the DAC Options

DAC model: I2S
Clock GPIO: 26
Word Select GPIO: 25
Data GPIO: 22

Press Save button
10

["Louder ESP"] Configure hardware

Navigate to NVS Editor section and provide following updates

dac_config: model=I2S,bck=26,ws=25,do=22,sda=21,scl=27,i2c=45
dac_controlset: {"init":[{"reg":3,"val":2},{"reg":3,"val":3}],"poweron":[{"reg":3,"val":3}],"poweroff":[{"reg":3,"val":0}]}
i2c_config: scl=27,sda=21,speed=400000,port=1
set_GPIO: 33=vcc

Press Commit button

ESP Audio Docks with onboard PSRAM