1. This circuit board is suitable for all major brands of mechanical knob humidifiers, with water level switch, can automatically protect against water shortage.
2, this circuit board is widely used, it can be used to repair humidifier, modified equipment for humidification, graduation design as humidification module, DIY humidifier and so on.
3, technical parameters: power board: input city AC220V two-way power output: 34V, 12v (34V for atomization drive power supply, 12V for fan power supply) Power: 25W. Atomizing plate: equipped with 25MM diameter, frequency 1.7MHZ atomized piece.
4, the whole set includes: power board + atomization board + adjustable potentiometer + water level switch + indicator light + waterproof ring.