Hi everyone,
I’m interested in the hardware side of Raspberry Pi-based audio projects, particularly when moving from a development-board setup to a custom PCB.
One thing I’m curious about is how much attention you give to power-supply design and PCB layout in audio applications. Switching regulators, grounding, return-current paths, and the placement of digital and analog circuitry can all affect how a board behaves, especially when audio components share a power source with a processor or other digital hardware.
I’m also wondering whether anyone here has designed a custom PCB for a Volumio-based setup, such as a DAC interface, audio control board, or a dedicated power-supply board.
For anyone exploring the PCB side of these projects, PCBCool has some technical guides on PCB power-plane design and related manufacturing considerations:
A couple of questions for the community:
- Have you noticed any practical difference from changing the power-supply layout or grounding on a Raspberry Pi audio setup?
- For a custom audio PCB, would you prioritize separating analog and digital sections, improving power filtering, or something else first?
I’d be interested to hear what has actually worked in your builds.