Run from read only SD-card / run headless

[smiths73v3]

Here’s my setup for reference:

Success Cases

Headless Road Zynth: No knobs, external USB sound, Argon One Case. Contained in a rolling case with storage under for cables, duplicate Zynth and SD card for catastrophic failures. $8 Sound Dongle, $25 Case, RPi4 ($Zomg!$) [IMG_2889]