
This is a mist maker module. This module can create mist or fog from water like this. This is also called humidifier or atomiser. This module has two parts one is this driver circuit and another is this piezo disc. Piezo disc is a type of transducer which converts electrical signal into corresponding mechanical vibrations. This disc has a freqency of about 100khz. So if we apply thats frequency with suitable voltage the piezo will vibrate at that frequency. These hight speed vibrations makes the tiny droplets of water thus the mist. The driver circuit provides the signals with suitable frequency and voltage. You can use this awsome module in yiur projects.
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