Help with automatic humidifier

Hello, I've set up a simple circuit that turns on a humidifier when the humidity of the air drops below 80%. However, I'm having an issue with the vapour coming out of the humidifier being much less powerful, when powered via the arduino, than if it were to be directly powered via the standard micro usb port.

Through research, I think that this issue is because of the current not being regulated properly. Would I need a MOSFET or transistor to solve this? And if so, how should I go about setting it up?

I've added a pic of the current setup.

Touch here for the full post on the Arduino Apprentices tumblr

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s