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

Rubyrails March 31, 2018, 3:01am 12

It's the relay by itself. Just a blue block with five pins on the bottom. I'll have to connect the other parts, if that's what I need.

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