Nerf Sentry Gun

Photo credit: Instructables

Instructables user “BrittLiv” took a Nerf N-Strike Vulcan and transformed it into an autonomous sentry gun. This video game-like weapon is powered by an Arduino Uno controller with a few servos to help the unit move from side to side. It automatically locks and fires at targets, but can also be manually fired by using a controller. To help keep intruders out, the gun’s firing speed has been increased by 50%, an programmed to not fire at users wearing the Instructables robot logo on their shirt. “My main aim was for it to look awesome; which was difficult to achieve without removing the front part of the gun. But, I managed to accomplish this without removing the barrel, and I’m really happy with how it turned out,” said Britt. Click here to view the first image in today’s viral picture gallery. Continue reading for the five most popular viral videos today, including one of secret notes being left on plane windows.

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