First Test of Audio Switching - Success

A project log for Muffsy Stereo Relay Input Selector

Open Source, versatile audio relay input selector controlled by an ESP32

skrodahlskrodahl 02/25/2018 at 21:300 Comments

The ESP32S is now mounted on pin headers:

Testing with an oscilloscope and the QA401 audio analyzer reveals that there's no switching noise, nor any clicks or pops injected in the audio channels. And, it does of course switch the left and right stereo channels. :)