Sentry gun controller-board upgrade

This open source sentry gun controller board builds on a great concept by getting rid of the Arduino board. The previous version was an Arduino shield, but this upgrade keeps all of the cool features by rolling the necessary parts into one smaller footprint.

The image above doesn’t quite convey the scope of the project. Go take a look at the feature from last year which used the shield version of the controller. That build used a servo-mounted paintball gun in conjunction with a webcam. You can still build the same platform, but use the open-source files to include this board. It has outputs for three servo motors, and can also interface with airsoft or paintball guns which have their own electronic triggers and integrated batteries.

We always like to see the schematic for projects like this one. For your convenience we exported an image from the Eagle package. You can find it, along with the demo video, after the break.

[via Hacked Gadgets]

Comments

  1. UltimationEE says:

    Now I just want someone to combine it with one of those laser guns starting to appear.

  2. UltimationEE says:

    Now someone just needs to build it with one of those laser guns going around.

  3. Mike says:

    Excellent, that’s a nice finished product.

  4. fightcube says:

    I see the Open Hardware logo on the PCB, but no Bill of Materials for the PCB assembly on the website. Will this be provided in the future?

    Here’s a BOM I did for the Arduino Pro Mini:
    GOOGLE DOCs URL

  5. Sam43 says:

    I like the fact that it’s open source but unfortunately it’s not nearly as good as The Sentry Project.

    • randomdude says:

      Dude you and your annoying advertising/spamming efforts…

    • Mike says:

      While I do agree the thesentryproject.com guys have a significantly better system, I think spending the time to get the code working and trying to build the hardware out of wood scraps is fun.

      • randomdude says:

        no, their system isn’t better at all. I tracked down this guy because he started spamming our forum with messages like the ones above. Turns out he isn’t doing it himself – he hired a company to do it for him…

        technically both the software and hardware on both of them is the same… but http://www.projectsentrygun.com is 100% opensource and free…

        Ohh and I know the code used by its commercial competitor because I had seen posts where he asked for help once he managed to get it to work. He will tell you that his code is more advanced and stuff but it’s just BS.

        • fightcube says:

          @randomdude, What exactly do you mean by “100% opensource”? A lot of these “open” projects aren’t that open when they don’t include the Bill of Materials. I’m not really singling this project out (because the author may be very open to adding a BOM), but most of these open source and open hardware projects seem to drop the ball when it comes to providing a BOM.

  6. Bezerker says:

    I like this but a pololu controller is better. Also, I think the link is wrong. I think it’s just http://www.projectsentrygun.com

  7. jwrm22 says:

    At first it looked like a pretty useless project, but then i heard the portal turret sounds. Now i just want one!

  8. randomdude says:

    @fightcube
    well can’t you see the schematic?? all the parts are there

    anyway it’s not that you need to buy his board or build one yourself at all – you can use arduino instead

    it’s a very simple project,
    both mechanically and electrically. Why would anyone need a BOM for it ? I don’t think you really spend time to have a closer look at it – if you would have you would know there are very few parts

    • fightcube says:

      @randomdude… there is no reason to be an ass. I think a lot of people recognize these open hardware projects are not as OPEN as they claim to be.

      I built my own Arduino Pro Mini and spent a considerable amount of time locating the correct components for it because I could not find a BOM. Sure the components are not that difficult to UNDERSTAND.. the schematic is SIMPLE.. however what SIZE are those 0.1uF caps? 0805 or 0603 or 0402?? What 16MHz resonator would be appropriate for this design and what is the exact size used? Every resonator MFG makes them different, there is no standard like resistors and caps. What FET was used and what is the footprint? Should I have to dig into the PCB layout and footprints to figure all of this out?? No, there should be a BOM for it.

      Why would I want to just use an Arduino when this thread is talking about a CUSTOM PCB that rolls the Sentry components and connectors onto a PCB with the Arduino base design? I wouldn’t… I want to know what the components are for THIS design so that I can order the PCB cheap, and buy the parts for it and build it myself. Do you build stuff for yourself?? Do I really care if you do???

      So in short, stop assuming you know what I did and didn’t do… or what is best for me… and think about my actual question… where is the BOM for this 100% OPEN SOURCE (OPEN HARDWARE) design?

  9. faisal says:

    From where i can buy this Controller ?!

  10. James Tappin says:

    I’m going to attempt to make a air soft sentry gun and I’m looking to by a controller. Does anyone have a website as to where they are being sold ?

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