What is the simplest wiring diagram / components for mixing two outputs? Here is my schematic. Esp32 outputting tone on a gpio, and sending tx/rx interfacing play commands to a DF mini mp3 player. I want to mix the tone and one channel of the player output and feed it into the "in" of the amplifie…

simple component mixer schematic?

Grumpy_Mike November 10, 2017, 7:59pm 5

So the triangle is an op amp like a lf347?

Yes.