What starts as a fun NERF showdown quickly turns into a full-blown turret war—and Hacksmith’s not ready for what’s coming. With precision targeting and rapid-fire chaos, the custom-built ...

The Arduino microcontroller is responsible for interpreting the data from the webcam and controlling the motors that aim and fire the Nerf guns.

It also comes with four Nerf guns which use flywheels to launch the darts. The wheels are powered using quadcopter outrunner motors that spin at 25,000 RPM.