[Matt Yuan] recognised the potential of the single-shot design, though, and repurposed it as a powerful Nerf blaster. The blaster is a simple spring-plunger design. Upon pulling the trigger ...

The motors are allowed to spin up, and then a dart is loaded servo-operated plunger, out of an off-the-shelf Nerf magazine. The motors ESCs and servo is controlled by an Arduino Nano, which ...