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4PCS 5V USB Humidifier Atomization Disc Kit with Circuit Board and Spray Module Professional Atomization Module for DIY Home Experiments Incubators Experimental Equipment Compatible
4.0 (144 items)
Limited Time SaleUntil the end
10
42
15
US$5.25 cheaper than the new price!!
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Used US$3.50
Product details
| Management number | 239484266 | Release Date | 2026/07/14 | List Price | US$3.50 | Model Number | 239484266 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- Smart Spray Modes：Continuous Mode: 1st press activates LED-lit constant spray with 4-hour auto-shutdown；Intermittent Mode: 2nd press initiates 10s spray/5s pause cycles (LED flashing) with 12-hour auto-shutdown；3rd press powers off.
- Precision Driver Board：DC5V/300mA input with 1.5-2W power efficiency；FR-4 fiberglass PCB (1.2mm thickness, 34.8×18.6×13mm compact size)，7.3g lightweight design for DIY integration.
- High-Performance Atomizer：108-110kHz resonance frequency with 4-5μm micron apertures 1100 ultra-dense microholes on 304 stainless steel (Ø16mm active area)，Piezoelectric ceramic ring (Ø20×3.5mm) with 100mm PH2.0 terminals (1.9g total weight).
- Other features：Switch bypass: Solder both contact pads for permanent spray (disables auto-shutdown)；Direct power connection: Solder ± terminals for external 5V supply (non-USB applications).
- Security protection：Waterproof encapsulation protects solder joints from humidity；Silver-plated terminals prevent oxidation corrosion.
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