2 layers30 × 13.7 mm

PTT USB Cable
UT8IFG/PTT-USB-Cable
A simple galvanically isolated USB-PTT interface for amateur radio equipment
25 parts2MIT
Open-source boards designed in KiCad by UT8IFG on GitHub, from 1 repository. A board’s address here is its repository’s there.

UT8IFG/PTT-USB-Cable
A simple galvanically isolated USB-PTT interface for amateur radio equipment