ShillehTek DC 5V ultrasonic mist maker with circuit board and round mist plate

DC 5V USB Ultrasonic Mist Maker Humidifier Module 108KHz

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108KHz USB ultrasonic mist maker produces ~5µm micron-level atomization to raise relative humidity quickly while leaving surfaces dry, ideal for compact DIY humidification and lab projects.

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Overview

Product Overview

This DC 5V USB ultrasonic mist maker runs at 108KHz to fracture water into a fine cold fog, providing a practical humidity source for DIY egg incubators, mushroom fruiting chambers, sensor-maintenance setups, or quiet desktop humidifiers. The atomizing sheet creates an ultra-fine spray with an aperture of approximately 5 microns for rapid evaporation and humidity control without soaking surfaces. A low-impedance driver is tuned to the 108KHz resonant frequency for high conversion efficiency while drawing minimal power from the 5V supply, and the unit operates virtually without noise. The aperture uses a specialized glass glaze and stainless steel coating for improved resistance to acid and alkali oxidation from oils or hard water, and the piezoelectric disc is a plug-and-play replacement for easy maintenance, reflecting the module’s micron-level atomization capability.

Questions & answers

Frequently asked questions

It can be used in Arduino, Raspberry Pi, or ESP32 projects as a 5V misting actuator. It is not a sensor or data module, so a controller should switch its 5V power through suitable external drive circuitry rather than a GPIO pin.
The module is designed for DC 5V USB-powered operation, so basic use is simple: provide 5V power and ensure the atomizing sheet is properly contacting water. The piezoelectric disc is described as plug-and-play replaceable for maintenance.
This is a 5V ultrasonic atomizer module tuned to a 108KHz resonant frequency. It does not use I2C, SPI, or serial communication; it creates cold fog by driving the piezo atomizing sheet directly from its onboard driver.
It is suitable for small humidity projects such as DIY egg incubators, mushroom fruiting chambers, sensor-maintenance setups, and quiet desktop humidifiers. The approximately 5-micron aperture helps produce fine cold fog that evaporates quickly without intentionally heating the water.
Reduced mist output is commonly checked by verifying the 5V supply, water contact with the atomizing sheet, and cleanliness of the aperture. The sheet has glass glaze and stainless steel coating for improved resistance, but mineral buildup may still require cleaning or disc replacement.

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What's included

Features & Specs

108 kHz Drive Optimized 108KHz resonant driver for efficient ultrasonic atomization.

5V USB Power Runs from a DC 5V USB supply for easy integration with common power sources.

Micron-Level Mist Produces ultra-fine ~5 micron droplets that evaporate quickly to raise RH without wetting surfaces.

Low Power Consumption Low-impedance circuit maximizes fog output while minimizing current draw.

Silent Operation Ultrasonic design operates virtually noiseless for quiet rooms and labs.

Corrosion-Resistant Head Glass-glazed, stainless-coated aperture resists acid and alkali corrosion from oils or hard water.

Modular Replaceable Disc Plug-and-play piezo disc allows simple replacement of the atomizing head without changing the PCB.

Reference

Documents

Full Product Manual ShillehTek DC 5V Ultrasonic Mist Maker Humidifier Module 108KHz USB | ShillehTek Product Manual In-depth setup guide with wiring, code examples, and troubleshooting.

Datasheet

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