amp

Hey everyone, while I am broke to high hell and waiting to order the last of supplies in order to start with this build, I am making a diagram to reference/familiarize myself with as to make life a bit easier when wiring time comes. I've been reading until my eyes bleed and understand most of...

not sure how to go about this, I've got a few of the below amps sitting around at home, but I'd like to have a 'smart adapt' feature, where if I plug in headphones it auto-mutes the speaker output and redirects to the headphones. Unplugging the headphones would do opposite. current amps I have...

I think I know how to do this, but I just wanna make sure before I go ahead and start. I'm planning on wiring in a headphone/amp switching circuit to my handheld (a unit running RetroPie), which is on a Raspberry Pi B+. Using this TRS jack as an example, I'm pretty sure I need to wire Terminal...