DC 5V Ultrasonic Humidifier USB Spray Module DIY Incubation Experiment 108KHz
💧 DC 5V Ultrasonic Humidifier USB Spray Module (108KHz)
🧩 Overview
A compact ultrasonic mist generator module that converts water into ultra-fine vapor using high-frequency vibrations. It runs on 5V USB power, making it ideal for portable and DIY applications.
✔ Commonly used in:
Mini humidifiers
Egg incubators 🐣
Terrariums & plant systems 🌱
Aroma diffusers
Electronics experiments
⚙️ Working Principle (Ultrasonic Atomization)
Uses a piezoelectric ceramic disc
Vibrates at 108KHz frequency
Breaks water into ~5µm droplets (mist)
No heating → energy efficient & safe
👉 High-frequency vibration creates cool fog-like mist instantly
📊 Key Specifications
🔌 Input Voltage: 4.5V – 5V DC (USB powered)
⚡ Power Consumption: ~2W
🔁 Frequency: 108KHz ±3KHz
💨 Mist Output: ~50 ml/hour
🌫️ Droplet Size: ~5 microns
🔘 Spray Holes: ~740 micro holes
🌡️ Operating Temp: 0°C to 85°C
💧 Humidity Range: 10%–90% RH
🧱 Module Components
🔹 Ultrasonic atomizer disc
🔹 Driver circuit board
🔹 USB power interface
🔹 Rubber sealing ring (for water container fitting)
👉 Built-in driver makes it plug-and-play (no complex circuit needed)
🔄 Operating Modes (varies by model)
Continuous spray mode
Intermittent spray mode
Auto shut-off (after few hours)
✔ Helps prevent overheating & dry running
🛠️ Applications
🧪 DIY & Projects
Custom humidifier builds
Arduino/IoT automation systems
Smart home humidity control
🐣 Incubation
Maintains controlled humidity for egg hatching
🌿 Environment Control
Greenhouses & plant misting
Reptile enclosures
🧠 Advantages
✔ Low power consumption (2W)
✔ Safe (no heating element)
✔ Ultra-fine mist for better absorption
✔ Compact & portable
✔ Easy USB integration
⚠️ Important Usage Tips
Always keep atomizer disc submerged in water
Do NOT run dry (can damage the disc)
Use clean or filtered water (prevents clogging)
Ensure proper sealing to avoid leaks
🔍 Summary
This module is a simple yet powerful mist generator:
Converts water → mist using ultrasonic vibration
Runs on 5V USB (portable + easy to use)
Ideal for DIY electronics + environmental control projects
