Geoff Hatt - Ukulele Lady Geoff Hatt - Ukulele Lady Available for over a year Vaudeville performer Geoff Hatt plays a song, with a little help from Marie-Louise.

He built a simple Arduino-driven MOSFET circuit to deliver knocks of variable BPM to the sound-board of a ukulele. A 10kΩ pot controls the meter and beat frequency, and the sound is picked up by ...

“Depending on the player’s style of music and sound they want, the ukulele is an easily approachable introduction to the world of music,” he says. Other benefits: The soft nylon strings are ...