Audio Trigger System with Feather Boards

I need to repurpose three Feather 328P boards to detect a new type of signal to trigger an audio output.

Requirements

- The boards should detect a wired control signal from electronic equipment. - The new signal will come from a button, switch, or control system. Ideal Skills and Experience: - Proficiency with Feather 328P boards and signal detection. - Experience with wired control signals and integrating them with audio systems. - Background in electronics and audio equipment setup.