The barrel is held in place with a hollow Technic tube, which houses the wires for the LED. Concealed in the gun's handle are two AAA batteries, linked to the sound box via connector wires strung through the gun's trigger guard. Inside the gun's magazine is a custom microchip I programmed with Arduino Uno to play a sound clip of Han Solo's iconic weapon from Star Wars, and simultaneously a small LED blinks in synchronization. II version of this model, which is a prototype design in both ascetics and mechanics. This is a project that I've been gradually working on since spring of 2014, undergoing numerous revisions in design and electronic functions.
