USB Humidifier PCB : Ultrasonic Humidifier Circuit Board with Precision Control, High Quality & Safety, Designed by Japanese Team
Our USB humidifier PCB is a professional control board designed for ultrasonic aroma diffusers and humidifiers. Developed by a Japanese design team, this circuit board features outstanding precision control, high quality, and high safety to ensure stable and reliable operation. We provide full custom humidifier PCB and OEM humidifier PCB services to meet different project requirements.
With USB power supply compatibility, compact structure, and long-term durability, our ultrasonic humidifier PCB is the ideal core component for high-performance aroma diffusers and humidifiers.


| Input Voltage | DC 5V/1A (Standard USB), Expandable to 5V-12V/2A |
| Rated Power | Atomization Mode ≤ 10W; Aromatherapy Mode ≤ 3W |
| Standby Power | < 0.3W |
| Ultrasonic Freq | 1.7MHz – 2.4MHz (Automatic Resonance Tracking) |
| Mist Particle Size | ≤ 3.5μm (D90) |
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