Medium-sized clicky momentary switches are standard input "buttons" on electronic projects. These work best in a PCB but
Pipe audio in or out of your project with this very handy breadboard-friendly audio jack. It's a stereo jack with disconnect-switches on Left and Right channels as well as a center...
This basic cable comes with two 3.5mm (1/8" headphone jack size) stereo connectors. It's fairly straight forward, you'll commonly need these to connect two audio devices...