Sentry turrets have long been a feature of science fiction films and video games. These days, there’s nothing stopping you from building your own. [otjones99] has done just that, with his FPV Nerf ...

You may have never used Raspberry Pi or Arduino, but chances are you’ve heard of them. Raspberry Pi has been the bestselling British computer for years now, and Arduino has been transforming the DIY ...

int motionSensorPin = 13; // Motion Sensor connected to digital pin 13 pinMode(relayOne, OUTPUT); // sets the digital pin 2 as output pinMode(relayTwo, OUTPUT); // sets the digital pin 4 as output ...

We admit it, we were browsing Reddit when we found this beautifully hacked together Nerf Sentry turret. But are we ever glad we did — as it turns out, it is very similar to the totally awesome, ...