Debonair Jayce of League of Legends has an impressive Mercury Hammer that transforms into a Mercury Cannon with lighting effects and moving parts. YouTube user Jamison Go is constructing the costume, and even though it’s not completed, he’s created a few work in progress videos. One demonstrates how the weapon works so far, and another provides a detailed overview of the electronics used in the weapon’s transformation. He used a RGB LED to change the hammer’s colors between yellow and cyan, a servo to power the wings on the sides, and a solenoid valve to activate the extending rods. It’s all articulated by a single switch processed by an Arduino.
See how it’s looking so far:
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