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


| 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% |
| 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 |
| 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) |
| Safety Certifications | UL, CE, RoHS, REACH |
| EMC | FCC Part 15, EN 55032 |
| Energy Standard | ENERGY STAR (standby power) |
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