“The Problem:
If you live with other people or have your own office you might be familiar with the problem of people randomly appearing in your room while you are working on confidential data or just have some weird stuff open on the 2nd Screen from hours ago.
Also if you live with other people and you are using any voice chat, chances are that someone slams open the door and makes noise or yells all over the place.
This instructable offers a sensor based solution which can trigger any keycomb you want to be triggered in order to get some privacy or simply mute your microphone.”