I want to create a mini humidifier linked to my Arduino w/display screen and ultrasonic ceramic disc. The problem is, I've ordered a 20mm ultrasonic mist maker and it's here, but I have no idea on how to connect it with my Arduino. The connection part is across from the push button. It's a kind of …

HELP PLEASE- Arduino humidifier heating disc

Paul_KD7HB March 31, 2018, 2:28am 7

Ad says it runs on 12 volts DC. Do you have that? You need a relay or a MOSFET to switch the 12 volts. What do you have?

Paul

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