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USB humidifier circuit board with an atomizing chip
USB-powered humidifier circuit board with atomizing chip for fine mist generation. Perfect for DIY humidifiers and aroma diffusers.
Description
The USB Humidifier Circuit Board with Atomizing Chip is a compact, ready-to-use module designed for creating fine mist in USB-powered humidifiers. Featuring an integrated atomizing chip, it efficiently converts water into micro-droplets using ultrasonic vibration. Ideal for DIY USB humidifiers, aroma diffusers, and small personal humidification projects, this circuit board is easy to integrate, energy-efficient, and delivers consistent mist output for reliable performance.
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-  Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Â Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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 Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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 Voice effect optimization
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 Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes
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