A simple and elegant way to help keep your personal space bubble from being invaded by close talkers and overly huggie people.   This is a stolen or borrowed idea from Phillip Torrone of Adafruit, who mused about something like this on an episode of Adafruit's "Ask an Engineer."  I decided to incorporate this idea into a bow-tie for all those black tie events that I'm forced to attend(no not really, it just seemed the easiest and most discrete way to incorporate the sensor).  The jist of  how it worked is as follows;  If someone gets within 19" of me, red lights flash for a few seconds.  If they stay there, the lights keep flashing.  The distance and flashing rates can easily be changed to suite your needs if your personal bubble is larger or smaller than mine.  

DSCN1778 from Aleksei Sebastiani on Vimeo.

Step 1: Parts

Adafruit Flora  http://www.adafruit.com/products/659 
Maxbotix distance sensor  http://www.adafruit.com/products/172 
Adafruit Neo Pixel   http://www.adafruit.com/products/1260
3D printed Bow-tie  https://tinkercad.com/things/lMtQ1vbMAHI-space-invader/ 
Bow-tie loops   https://tinkercad.com/things/77nV1o6NTgt-bowtieholder 
Velco  or fabric collar  
Wire & heat shrink
5mm snaps  http://www.adafruit.com/products/1126
Magnetic backing  http://www.adafruit.com/products/1170

Danke, denkt meine Frau auch.
: )
Bowties are cool.
Yeah they are!
You should get it to say “Intruder Alert !! Intruder Alert!!”
I thought about making is sound reactive as well. The little speakers I would use just don't cut it. Thanks for the comment though.
Also known as the Virginity Defender :D <br> <br>I kid, I kid! <br> <br>Great instructable, interesting concept. Love the Video and the 3D Editor.
Ha! My wife loves that name. Thanks for checking it out.
This is fab! Thanks for sharing your process.
Thanks Becky! I appreciate it. Give my thanks to PT for the idea. And I hope he liked it too. Great Show today! Phillip doesn't need a pin cushion jacket. Just a few blindingly bright LED's will ward people off. This same concept could easily be incorporated into a broach or necklace for ladies.
Nice job! And great video, too. Clean and quick demo, I love it.
Thanks Mr. Amungus. I tried to keep it tight. I lose interest in myself after about 30 seconds, I figure most other people would too.

About This Instructable




Bio: I make projects, they have names. Some are obscure and some straightforward. Form or Function; I go either way. Battery powered or edible, I love ... More »
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