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USB Raspberry PI proximity sensor?

Aztec
By Aztec
in Hobby Electronics
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Hey, I'm in the process of creating a DIY smart mirror, it's almost done. Unfortunately my PI Zero died on me so I thought I may as well get PI 3 and wanted it so that when I walk up to the mirror the OS wakes up from sleep as the mirror is powered by an online website called "DAKboard" (goes in full screen when I press F11). I said USB and as I don't want to risk soldering and mess anything up. Any suggestions? Thanks! 

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If you are worried about soldering you could get a PIR sensor on a board with pins and use F-F jumper wires to connect it to your PI

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yep $10 security alarm sensor will do this. no soldering required.

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ψ ︿_____︿_ψ_   

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