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Ultrasonic Humidifier Circuit Control Board with Smart Atomization

Our Humidifier Circuit Control Board With Mobile App Support is a precision control system specifically designed for high-end humidification equipment. As the "intelligent brain" of the entire humidifier, it integrates advanced digital signal processing technology, precise humidity sensing algorithms, and efficient power drive modules, transforming simple humidification into an intelligent, precise, and reliable environmental control experience.

 

 

Electrical Parameters

Working Voltage AC 100–240V ±10%, 50/60Hz
Standby Power ≤ 0.5W
Output Power 30–120W continuously adjustable
Ultrasonic Frequency 1.7–2.4 MHz auto-tuning
Humidity Control Accuracy ±3% RH

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Core Features

▶ Intelligent Adaptive Atomization Control

  • Precision PWM Frequency Adjustment: Automatically adjusts ultrasonic transducer output based on water quality and humidity, ensuring optimal atomization efficiency via digital PWM control.
  • Adaptive Power Regulation: Continuously monitors atomizing plate status to modify output power, maintaining stable mist volume and preventing “white dust.”
  • Multi-Mode Smart Operation: One-button switching between constant humidity, timer, sleep mode, and rapid humidification with automatic parameter optimization.

▶ Full-Range Safety Protection System

Seven-Layer Protection Mechanism:
  • Water shortage auto-shutdown (±1mm accuracy)
  • Over-temperature protection (±0.5°C accuracy)
  • Over-current / Over-voltage protection (<0.1s response)
  • Short-circuit protection & Dry-burn prevention
  • Oscillator abnormal operation & Fan malfunction detection
Intelligent Fault Diagnosis:

Built-in self-diagnosis system identifies up to 12 common issues, displaying alerts via LED codes or mobile app notifications to simplify maintenance.

▶ IoT and Smart Integration

  • Dual-Mode Communication: Standard UART/RS485 industrial interface with optional Wi-Fi / Bluetooth wireless modules.
  • Cross-Platform Compatibility: Supports Google Home, Amazon Alexa, and Apple HomeKit ecosystems.
  • Remote Monitoring & OTA Updates: Mobile app for remote control, humidity graph review, consumable reminders, and wireless firmware upgrades.
  • Data Logging & Analysis: Built-in memory stores 30 days of operation data for optimization and analysis.

▶ Ultra-Quiet and High-Efficiency Operation

  • Noise Control Technology: Optimized ultrasonic oscillation frequency avoids human-sensitive ranges (2–5kHz), achieving ≤28 dB(A) ultra-quiet operation.
  • Energy-Saving Design: Standby power <0.5W, soft-start reduces surge current, improving overall energy efficiency by up to 40%.
  • Intelligent Fan Control: Adjusts fan speed based on mist output to balance efficiency and noise.

▶ Professional-Grade Durable Design

  • Triple-Protection Coating: Nano-coating technology achieves IPX4 water, moisture, dust, and corrosion resistance.
  • Wide-Voltage Compatibility: AC 100–240V global input adapts to grid fluctuations.
  • Long-Life Engineering: Industrial-grade components ensure MTBF ≥ 50,000 hours.

Product Detail Images

Main Application Areas

▶ Home Smart Ultrasonic Humidifiers
▶ Commercial & Office Humidification Systems
▶ Vehicle-Mounted Ultrasonic Humidifiers
▶ Smart Environmental Control Devices

Technical Specifications

Control Performance

Humidity Sensor Capacitive digital sensor, ±3% RH (20–80% RH)
Temperature Monitoring NTC thermistor, ±0.5°C
Water Level Detection Capacitive/optical optional, ±1mm accuracy
Atomizer Driver Digital power amplifier, THD < 1%

Interface Configuration

Ultrasonic Output 1–4 channels, supports parallel atomizers
Fan Control PWM speed control, 12V/24V optional
Water Level Input 2 channels, independent high/low detection
Communication Interface UART ×1, I2C ×1, expandable Wi-Fi/Bluetooth
Display Interface SPI/I2C, supports OLED / LCD

Physical & Environmental Parameters

PCB Size 80mm × 60mm × 1.6mm (customizable)
Operating Temperature -10°C ~ 70°C
Storage Temperature -20°C ~ 85°C
Operating Humidity 10% ~ 90% RH (non-condensing)
Protection Level IPX4 (nano-coated PCB)

Certifications & Standards

Safety Certifications UL, CE, RoHS, REACH
EMC FCC Part 15, EN 55032
Energy Standard ENERGY STAR (standby power)
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Product Tags Ultrasonic humidifier circuit control board          ultrasonic usb humidifier with circuit board          ultrasonic control board          ultrasonic transducer control board          humidifier solution with water quality monitoring          humidifier PCB Manufacturing         

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