Volume Limiter for Portable Audio
This project is a bit pointless: a volume limiter that plugs into your iPod or favorite portable audio device, and that you plug your headphones into. Now, given that any intelligent sensible person will lower the volume instead of using this device, its only potential use is forcing your children to use it. However, you know very well that they will unplug it as soon as you turn the back.
Nevertheless, I am featuring this project because of its neat packaging, which can be an inspiration for another more useful project.
by Robert
"The distance is very far. I would have no doubt that you could control it from 100ft -200ft or more. ..."