FOFMITI Four Spray Humidifier Module: Is This Tiny DIY Kit Worth It in 2026?
A $9.79 DIY humidifier module with four atomizers and USB-C power, built for makers who want to create their own custom humidifier setup.
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Best For
How this humidifier scores for different use cases
USB Type-C powered at 5V makes it technically desk-compatible. However, it requires a DIY enclosure and water reservoir, so it is not a ready-to-use desktop unit.
The tiny PCB (50x25mm) and USB-C power are portable-friendly, but it requires a separate water container and DIY assembly, making it impractical for travel.
This is a bare DIY module board, not a complete humidifier. It has no tank, no housing, and no auto shut-off, making it unsuitable for unattended overnight bedroom use.
Completely inappropriate for nursery use. No safety enclosure, no BPA-free certification, no auto shut-off, and exposed electronics pose hazards around children.
A tiny 2.5-3W module with four small atomization discs cannot humidify any meaningful room area. It lacks a tank and any coverage area rating.
No WiFi, no app control, no voice assistant support. Manual operation only with no smart connectivity of any kind.
Our Verdict
This is a DIY humidifier module, not a finished product. You get a small driver board with four atomization discs and USB-C power.
It draws just 2.5-3W at 5V. You can power it from any USB charger or battery pack.
Three spray modes give you some control over mist output. The 108KHz atomization frequency produces fine mist particles.
You need to supply your own water container and build an enclosure. This product suits makers and tinkerers, not everyday consumers.
The $9.79 price reflects what you get, a bare component. For plant misting or small DIY projects, it works well.
If you want a plug-and-play humidifier for your bedroom or office, look elsewhere. This module requires real assembly work.
What We Like
- Costs only $9.79, one of the cheapest humidifier components you can buy
- USB Type-C 5V power works with phone chargers and power banks
- Three spray modes let you pick continuous, dynamic, or indirect mist
- Four atomization discs produce finer mist than single-disc modules
- Tiny 50x25mm PCB fits inside almost any DIY project or enclosure
What Could Be Better
- No water tank included, you must build or supply your own reservoir
- No auto shut-off feature to prevent dry running or overheating
- No housing or enclosure, exposed circuit board requires DIY assembly
- No app control, WiFi, or any smart home connectivity
- No sleep mode, timer, or aromatherapy tray that finished humidifiers offer
Standout Features
Frequently Asked Questions
Common questions aboutFour Spray Humidifier Module Type-C USB Mini Humidifier DIY Kits Mist Maker and Driver Board 4 Fogger Atomization Film Atomizer Sheet Oscillating
Is this a complete humidifier ready to use out of the box?
No. This is a bare driver board with four atomization discs. You must supply your own water container, enclosure, and assembly.
What power source does this humidifier module need?
It runs on DC 5V through a USB Type-C connector. Any standard USB charger or power bank at 300mA or higher will work.
How much mist does the four-disc module produce?
The exact mist output rate is not specified. With four 108KHz atomization discs at 2.5-3W total, expect modest output suited for small DIY projects or plant misting.
Can I use this module to humidify a bedroom or large room?
No. This tiny module lacks the power and output for room-scale humidification. It suits small enclosed spaces, terrariums, or plant humidifying setups.
Does this module have auto shut-off when water runs out?
No. The module has no auto shut-off feature. You must monitor water levels yourself to prevent dry running.
Best For
How this humidifier scores for different use cases
USB Type-C powered at 5V makes it technically desk-compatible. However, it requires a DIY enclosure and water reservoir, so it is not a ready-to-use desktop unit.
The tiny PCB (50x25mm) and USB-C power are portable-friendly, but it requires a separate water container and DIY assembly, making it impractical for travel.
This is a bare DIY module board, not a complete humidifier. It has no tank, no housing, and no auto shut-off, making it unsuitable for unattended overnight bedroom use.
Completely inappropriate for nursery use. No safety enclosure, no BPA-free certification, no auto shut-off, and exposed electronics pose hazards around children.
A tiny 2.5-3W module with four small atomization discs cannot humidify any meaningful room area. It lacks a tank and any coverage area rating.
No WiFi, no app control, no voice assistant support. Manual operation only with no smart connectivity of any kind.
Scores
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