The DC 5 V Humidifier USB Spray Module is a compact ultrasonic mist generator designed to produce fine water vapor using high-frequency vibration. Powered via a standard 5 V USB supply, it is commonly used in mini humidifiers, aroma diffusers, air moisturizers, and DIY environmental control projects. Its low power consumption and simple operation make it ideal for portable and embedded applications.
Core Module Specifications
• Module Type: Ultrasonic humidifier / mist spray module
• Operating Principle: Ultrasonic vibration atomization
• Output Type: Fine water mist
• Power Method: USB powered
Electrical & Interface
• Operating Voltage: 5 V DC
• Power Input: USB (5 V)
• Current Consumption: Low (load dependent)
• Control Method: Power ON/OFF (external switch or control circuit)
• Interface: Power-only input (no data interface)
Performance Characteristics
• Produces continuous fine mist
• Quiet operation with minimal vibration
• Stable mist output with clean water
• Performance depends on water level and quality
Physical Characteristics
• Module Type: Compact spray / atomizer unit
• Atomizing Element: Ultrasonic ceramic disc
• Construction: Lightweight and portable
• Designed for enclosed humidifier assemblies
Compatibility
• USB power adapters
• Power banks
• Arduino / ESP32 projects (power control via relay or MOSFET)
• DIY humidifiers and aroma diffusers
• Small environmental control systems
Key Advantages
• Low-voltage and safe operation
• USB powered for easy portability
• Compact size for small enclosures
• Simple integration with minimal wiring
Technical Insights
• Requires proper water contact for atomization
• Dry running can damage the ceramic disc
• Best performance with clean or distilled water
• Not designed for continuous industrial use
Applications
• Mini USB humidifiers
• Aroma diffusers
• Air moisture control
• DIY mist and spray projects
• Desktop and portable humidification
Pro Tip
• Always ensure sufficient water level before powering
• Use distilled water to extend disc life
• Avoid continuous dry operation
• Provide ventilation for mist dispersion
Package Includes
• 1 × DC 5 V Humidifier USB Spray Module