Nerf sentry turret

With exams behind him [Adam Greig] had time to make a Nerf sentry gun. It’s actually quite easy to pull everything together. He’s got a netbook running Motion, an open source motion sensing program for use with a webcam. When movement is detected an Arduino, connected via a USB cable, actuates a servo to pull the trigger of the gun. The turret itself has seen a battery upgrade that increases the firing speed. It’s fun to see hardware prototyping done with a few pencils and a fist full of cable ties. Check it out after the break.

This particular toy, the Nerf N-Strike Vulcan, has become quite a popular starting point for turrent projects. We’ve seen one that uses a motorized base, and another that was part of a final project at Cornell.

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Student Soaker, wireless water gun

As far as pranks go, [Austin Shaf's] wireless hidden water gun is a real treat. The video above goes over a brief explanation and shows the setup in action. The prankster holds onto a wireless AVR remote, and when the unsuspecting victim walks by, he activates a second AVR controlling a pump; spraying water everywhere.

While most of us are out of school by now, the project would still be a fun office or perhaps street prank. If you’re one for registering, schematics and source code can be found at AVRFreaks. Alternatively, check after the jump for a copy of both.

Related: Office Pranks, and Water Guns.

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Pressurized PVC water gun

Hackaday’s [Caleb Kraft] has branded today “kiddie d-day” after seeing this PVC water gun follow close on the heals of the LEGO sniper rifle. This is a great summer project if you don’t mind letting the kids use the quick connect on your air compressor. It’s really just a ‘T’ made of PVC with two valves for air and water management and a soda bottle on the third leg as a reservoir. In the short clip after the break you can see that you don’t get a lot of shooting time out of each charge compared to the DIY Super Soaker, but this build is also a lot less complicated.

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Mad machinist masterpieces

If a picture is worth 1000 words, by our count, [Ryan Commbes] has said 1.68×10^6 different things about his custom robot, airsoft, and monster truck builds. While we’re not ones to pick favorites, we agreed his Alpine TPG-1 (picture at the top) build is a step above the rest. Sadly, the forums with his build log doesn’t seem to be loading, but he says the basic process if you wanted to make your own is to gather pictures, measure, and create.

[Thanks Andrew]

Flux paste applicator gun

[Luciano] didn’t want to drop a lot of cash into a flux and solder paste applicator so he built his own for about $5. He re-purposed a hot glue gun which you can usually find at a dollar store. After removing the heating element he inserted the body of a syringe. The plunger has been modified to use a knitting needle inside of some plastic tubing. After taking the picture above he made an improvement by adding a milliliter scale to the plunger, allowing you to meter out the paste and also gauge how much remains.

DIY Super Soaker

With summer just around the corner you should try out a build like this constant pressure water gun that [JLspacemarine] put together. Similar to the commercially available Super Soaker toys, this isn’t just a squirt gun but includes a water reservoir as well as a pressurized air chamber. Pumping up the air chamber allows for a constant stream when the trigger is depressed. [JLspacemarine] used a combination of hardware store items such as PVC, ABS, springs, hose clamps, and valves to bring this all together.

[Thanks Danukeru]

CES: PS3 Gun Controller

Yesterday we spotted a PS3 gun controller at the CTA Gaming Accessories booth. We have covered home made solutions like this before, like the WeeP5 zapper, and it is great to see alternative controllers spreading to other consoles. Now all we need is some force feedback, and we’ll really be able to feel in the game. As always, Hi-Res is available.

[Caleb]-I think the home made ones had better button layouts. See the thumb stick on the back of the pistol grip? They did that so it will work  for right and left handed people instead of making it on one side.

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