Recommended · for some experience
Ultrasonic Mist Maker || DIY or Buy
Why people recommend it
A GreatScott build of an ultrasonic mist maker, linked when people ask how to drive a piezo element at megahertz frequencies from a DC supply.
Watch for: Suits those exploring high frequency piezo drivers
In their words
For kicks, watch this good engineer admit he made a fool of himself trying to make it work.
Tony Stewart EE since 1975 on electronics.stackexchange.com, Aug 2021. CC BY-SA.