If you ever watched the 1980s Inspector Gadget cartoon, you undoubtedly wanted a hat like his, which can pop out all kinds of useful tools under voice control. Although it won’t allow you to fly off after saying “go go gadget ‘copter,” DJ Harrigan’s replica does produce a spinning propeller and an emergency light with 16 RGB LEDs.
Underneath this 3D-printed hat is a pair of micro servos, with linkage systems that open the top flaps. A standard servo extends the actual gadget. Controlling the device is a MKR1000, and voice commands are registered via a MikroElektronika SpeakUp click board.
While many characters sparked DJ’s imagination for invention and quest for technical skills, one of the earliest was everyone’s favorite 1980’s cyborg policeman: RoboCop, er uh Inspector Gadget! While Inspector Gadget’s gadgets certainly obeyed the laws of cartoon physics rather than real physics, they’re just beyond the edge of plausibility. So in a year long preparation for Halloween 2021, DJ is setting out to make a voice activated hat that can summon real gadgets from his head. No plastic surgery necessary. Some assembly required.