Home-Built Robotic Sentry Gun

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This project is not your standard weekend project! Not sure what it is shooting, airsoft pellets perhaps?

“The idea of this project was to create a fully-automated sentry gun, capable of picking out a human target and accurately tracking and shooting him or her in the heart. Really, the idea was to find a cool robotics project for the summer while I was working at an advertising agency, and I’d only ever seen sentry guns in movies (like Congo) and video games (Half-Life 1, Half-Life 2, Team Fortress Classic). I couldn’t find any record of anyone building one, even the military, although it seems likely I just didn’t look hard enough. It’s a pretty simple technology. One of my friends did mention the Phalanx anti-missile gun, which is of similar design, but uses radar for tracking instead of an optical method. The Phalanx has been around since the early 80’s. He was also quick to add that there are some pretty good reasons for not building an optical sentry gun, a big one being that it’s generally a good idea to shoot down any missile headed in your direction, but that same philosophy may not be the best when applied to humans. ”

Thanks Patrick

Via: TechEBlog

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15 Comments


  1. I want one of these to fend off the raccoons! Damn raccoons!


  2. Very nice concept.. tho i remember seeing their prototype about a year ago..


  3. I need to make one!!


  4. That’s nice!… i’m working on a similar project… but i don’t know what to use for tracking.. what software was used for the optical tracking?


  5. That’s nice!… i’m working on a similar project… but i don’t know what to use for tracking.. what software was used for the optical tracking?


  7. I happen to have been thinking about building something like this for a while, but i think it would be best if when motion was detected it would ring your pda or cell phone, then send you the streaming video, letting you tap the screen or push a button to make the gun fire.
    It might also be handy to mount a mic/speaker on the device so you can talk to whoever it is you catch sneaking around on your property before you start shooting.


  8. i need a water proof one for london england for those damne squerrls and pidgeons



  10. Just stumbled on this and would also like the program or somewere to get this tracking software for a new toy like this one.


  11. Is there a link to instructions Or something like that?


  12. Hi DemonWarlord,

    I don’t think instructions were ever made available.


  13. Samsung SGR-A1
    its been out for a while and there are at least 15 similar models some bigger and a few smaller models that are
    just meant to deter

Comments are closed.