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： Raspberry Pi Camera Gripper Serial Robotic Arm Gripper Mechanical claw Serial Bus Servo ST3215/CF35-12 Raspberry Pi Mipi display 1.38MP Global Shutter Camera ISG1321 For Luckfox Pico Zero Image extraction User Guide USB TO RS485 Raspberry Pi Camera X1015 Raspberry Pi 5 PCIe to M.2 Key-M NVMe SSD Board Pi5 2280 RISC-V ESP32-S3 Industrial 8-CH Relay IOT LAN WiFi /Bluetooth /CAN /RJ45 Ethernet /POE 7inch Round LCD HDMI Capacitive 7 inch Touchscreen Display 1080x1080 For Raspberry Pi/Jetson Nano/mini PC X1009 Raspberry Pi 5 PCIe To 5-Port SATA SATA3.0 (NOT BOOT From SATA) Raspberry Pi UART LuckFox ESP32 C3 Computer USB Monitor Screen Raspberry Pi LCD Display Screen 1.3inch LCD with Game Button AND Audio Buzzer For Zero 2W / 3B / 4B / PI5 / RP2040-PiZero Information Raspberry Pi 4B LuckFox Pico plus

Raspberry Pi 1.54inch LCD-Retropie-Audio configuration tutorial

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