Relative Humidty project

Community Projects
1

I am working with a group of high school students on a project to place a temperature/humidity sensor (RHT03) in a water-proof case on an underwater robot/Remotely Operated Vehicle (ROV). We have a Sparkfun Redboard (Arduino).

Is there an Uno sketch available that we could easily alter to allow us to light an LED as a warning that there is a leak in the case? We think that one LED would light up when the relative humidity reached 55 - 60% and that a second one would light when it went up by 5 more percent.

Any pointers would be much appreciated.

Thank you!

2

Are you using the temp/humidity sensor to detect a leak?

Keeping it simple, you can poll the sensor at regular intervals reading the value. Once a certain threshold is exceeded, you can assign on of the pins to light up an LED via an if() statement.