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MusRock

MusRock USB Humidifier Module Board with Double Spray - Can This DIY Kit Handle Your Projects in 2026?

A 3-pack of bare USB atomizer modules for DIY projects, not a ready-to-use humidifier. Best for makers who want to build their own mist system from scratch.

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Best For

How this humidifier scores for different use cases

Office & Desk
25/100

USB-powered and tiny, it could serve as the core of a DIY desktop humidifier project. However, you must build everything else around it yourself.

Travel & Portable
15/100

Extremely small and lightweight at 0.32 oz, but it is not a usable product without a container and power source. DIY assembly required.

Bedroom & Sleep
10/100

This is a bare DIY module board, not a finished humidifier. It has no tank, no housing, and no quiet operation features needed for bedroom use.

Nursery & Baby
5/100

Completely unsuitable for nursery use. It lacks BPA-free certification, has no enclosure, and requires electronics assembly that poses safety risks around children.

Smart Home
5/100

No WiFi, no app control, no voice assistant support. This is a raw electronic component with no smart features whatsoever.

Large Room / Whole Home
3/100

A tiny 1-inch atomizer module cannot humidify any meaningful room space. It produces minimal mist with no tank or distribution system.

Our Verdict

This is not a humidifier. It is a tiny electronic module for DIY projects. You need to build everything else yourself.

The MusRock 3-piece set gives you atomizer boards that run on USB Type-C at 5V. Each board draws only 300mA and uses 2-3W of power.

The double spray feature and intermittent spray mode add flexibility to your DIY build. RGB illumination is a nice bonus for custom projects.

You will need a water container, tubing, and a USB power source at minimum. This product suits makers and tinkerers, not regular humidifier shoppers.

At $9.99 for three boards, the price is fair for electronic components. But expect to spend more time and money completing your build.

What We Like

  • You get 3 module boards for just $9.99, costing about $3.33 each
  • USB Type-C power means you can run it from any phone charger or power bank
  • Double spray atomization gives you two mist output points per board
  • Uses only 2-3W of power, which is extremely energy efficient
  • Auto shut-off feature helps protect the module when water runs out

What Could Be Better

  • No water tank included. You must build or supply your own container
  • No housing or enclosure. This is a raw circuit board, not a ready-to-use humidifier
  • No humidistat or humidity sensor to monitor or control room moisture levels
  • No timer function for scheduling operation times
  • No BPA-free certification for the materials that contact water
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Standout Features

2-3W power consumption via USB Type-C
Far below the typical 25-40W of consumer humidifiers, though output is proportionally minimal
3 module boards included per package
Most DIY atomizer listings sell single units. This pack triples your components at under $10
Double spray atomization with 108-110KHz resonant frequency
Dual spray heads per board is uncommon for modules in this price range. The frequency is standard for ultrasonic atomizers

Full Specifications

Physical & Dimensions

Weight0.32
Width1
Depth1
Height0.5

Features

Included Features

Auto Shut-Off

Frequently Asked Questions

Common questions about3Pcs USB Humidifier Module Board USB Type-C Double Spray Atomization Module DIY Moisture Spray Mist Maker Fogger Atomizer Mini Oscillator

Is this a complete humidifier ready to use out of the box?

No. This is a bare circuit board module. You need to supply your own water container, wiring, and USB power source to make it work.

What power source does this module need?

It runs on DC 5V via USB Type-C. You can use any standard USB charger, power bank, or computer USB port. It draws 300mA and uses 2-3W.

How much mist does this module produce?

The exact mist output rate is not listed in the specs. At 2-3W power, expect very light mist suitable for small DIY projects, not room humidification.

What does the double spray feature mean?

Each module board has two atomization points that produce mist. This gives you twice the output compared to single-spray modules.

Does the auto shut-off feature work without building a full enclosure?

Yes. The auto shut-off is built into the module board itself. It activates when the board detects no water, protecting the atomizer from dry running.

Scores

Overall Score 19/100
Value Score 45/100
Popularity 15/100

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Scored 19/100

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