One of my buddies wants to build a remote control mechanism to turn the volume control on his stereo. He imagines some kind of motor or servo from an RC application that is somehow linked to a pulley which connects to the volume knob with a rubber band or the like. It obviously needs to move slow and steady yet it need not move a huge distance (if geared properly). He doesn't want to use a huge RC radio to control it though. He wants something much smaller. Any ideas? He knows that there are boxes that can be added to a stereo that are essentially remote control volume devices but he is an audiophile and wants to add nothing to his system that might dirty the sound.
11 years ago