
Imagine: you walk into your room, sit in front of your computer, and it unlocks itself. You finish what you’re doing, walk away, and it locks itself. No, it’s not magic – it’s Bluetooth and it’s easy to set up!
What You’ll Need
A computer with a Bluetooth connection
A phone or other device that can connect via Bluetooth
Either the Microsoft or WIDCOMM Bluetooth stack (for Windows)
Appropriate software
BTProximity for Windows (free)
Proximity and an AppleScript for OS X (free)
BlueProximity for Linux, packaged for Ubuntu (free)
Read more: How-to geek
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