How to play sound and make noise with your Raspberry Pi - Raspberry Pi
Using a USB Audio Device with the Raspberry Pi - Raspberry Pi Spy
Adafruit I2S Audio Bonnet for Raspberry Pi [UDA1334A] : ID 4037 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Raspberry Pi Documentation - Raspberry Pi Audio
Amazon.com: Nano Base Board (B) for Raspberry Pi Compute Module 4 Lite/eMMC, with Standard CM4 Socket, with Raspberry Pi 40PIN GPIO Interface, Gigabit Ethernet, USB2.0, DSI, CSI, 3.5mm Audio Jack : Electronics
Powering your Raspberry Pi via audio jack? You're crazy. - YouTube
No Audio on Raspberry Pi: A helpful, illustrated guide – Fun Consumer Tech
Raspberry Pi Zero, audio output via I2S – lucadentella.it
The Raspberry Pi 4 | HiFiBerry
Testing Audio | USB Audio Cards with a Raspberry Pi | Adafruit Learning System
Amazon.com: waveshare Compute Module 4 to Pi 3B/3B+ Adapter, Based on Compute Module 4 to Reproduce Original Appearance of Pi 3B/3B+, Alternative for Raspberry Pi 3 Model B/B+, Compatible with Pi 3B
DAC Audio Decoder Board for Raspberry Pi - DFRobot