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50% OFF 5Pcs USB Humidifier Atomization Driver Board PCB Circuit Board 5V Spray Incubation ₹769.93 ₹1,540.72 View It

Overall:

Ramselhoff 22/04/2022

Good price for these. They're pretty much the same as the no-name ones you'd buy anywhere else. They need a regulated 5-volt power supply (you can run them from a micro USB cable, or solder power wires onto the board). I used them to build a steam generator for G scale model trains, with a 3D printed water reservoir. Only downside is that you need to press a button to start the unit after power is connected, so you can't have it automatically turn on, but that's a small quibble. Only other issue is that the wires going to the atomizer disc are very fragile and can break off easily, and soldering them back on is very tricky, so I recommend putting a dot of glue on them for strain relief.

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Ramselhoff Update:I discovered that you can get around the button press issue by soldering a short piece of wire across the terminals of the button. This will cause the unit to come on as soon as power is applied and stay on.
Reply 30/05/2022

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