Audio configuration tutorial

Download audremap18.dtbo to your pi
sudo cp audremap18.dtbo /boot/overlays/
sudo nano /boot/config.txt
Add this code
dtoverlay=audremap18,pins_18_19
(audremap18.dtbo just enable gpio18 as pwm audio pin,
This Above code will not enable gpio19 as pwm audio pin,
gpio19 have configured as key START)

After rebooting , You need enable local audio

sudo raspi-config Select System Options -> Audio -> 'headphone'

Go to retropie menu

Select -> AUDIO -> HEADPHONE

Then reboot again use sudo reboot

Set audio voice max

Press key START enter retropie MAIN MENU

select SOUND SETTING
->SYSTEM VOLUME 100
->AUDI0 DEVICE -> HEADPHONE

->OMX PLAYER AUDIO DEVICE -> LOCAL

Go back press key B，
Then enter SOUND SETTING ->SYSTEM VOLUME again
You will see it is 97 or 77,You need set it 100 again|
After all setting， the VOLUME will became ok

TAG： Power Luckfox Pico SPI LCD ESP32-S3 1.28inch Round LCD 3.52 inch e-Paper HAT B E Ink Red/Black/White 360x240 Screen Display For Arduino /Raspberry Pi /Jetson Nano /STM32 Sensor 101M-8001280-IPS-CT-K User Guide Raspberry Pi CM5 4G/5G Dual Ethernet Port ETH Gigabit/2.5G Expansion Board with RJ45 IO Base and GPIO Jetson Nano Fan UART To Ethernet Arducam Raspberry Pi 1.54inch OLED RS422 to CAN 4.2 inch e-Paper Display G Red/Yellow/Black/White 4.2inch E-link Screen For Arduino /Raspberry Pi /Jetson Nano /STM32 WiFi6 Development Board OLED-LCD-HAT-A Raspberry Pi Pico 2 RP2350 With 0.96 inch LCD Display 0.96inch Screen 160×80 Onboard RP2350A Milk-V Duo Information electronic Tag Pi5 Power Cyberpunk LED Matrix Hourglass Gravity Sensor DIY Countdown Timer Clock STEM Educational Soldering Project for Beginners & Adult

Raspberry Pi 1.54inch LCD-Retropie-Audio configuration tutorial

Raspberry Pi Game zero 2W/2B/3B+/4B 1.54inch mini LCD