This controller has a zero start function built in. The delay in the throttle response is flat out dangerous. I've hooked up other controllers no problem, this one is a nope.

This product is excellent. Works exactly as advertised.

I spend a long time futzing to get it to connect and download data to my phone. Restart the phone, reinstall the app. Since the actual humidity in a salt-test bubble (ziplock bag) must be 75%, these are essentially 20% and 11% off, respectively.