Water bluetooth gun will destroy any water-soluble enemy

On Geektimes various projects of laser guns, snow throwers , flamethrowers and thermite guns have been published more than once. All this is good, but the list will not be complete without a miniature water cannon that is controlled from the user's phone.

A user named Noel Geren created this system with Nerf Thunderstrike water gun parts, parts printed on a 3D printer and RFDuino. All this is controlled via Bluetooth Low Energy (BLE) using a special application on a paired smartphone.


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RFDuino is a miniature Arduino-compatible card equipped with a Bluetooth 4.0 LE module. The size of the board is very small - it all fits on the tip of your finger. Thanks to this size, the gun was made small. The source of the "shells" is a regular plastic cup.

And the system takes energy from two AA-batteries, which are enough for a long time of the device. All project files are available , so if you wish, you can create such a system yourself. All you need is a 3D printer and a water gun of the right size. And, of course, RFDuino, plus free time and the desire to do something similar with their own hands.