Thanks for info.
Yes Blynk is very cool, simple and free, if you wand you can do sophisticated apps with the phone. Try it and you will love it!
I have 2 working controllers with blynk and others in progress.
I'm not a coder but is not to hard to stitch together some examples and modify for your needs.
Starting something new you need a lot of time for learning. But now we have on internet a lot of tutorials and examples for learning.
With the hardware part I have good experience.
For the triggering RH sensors what kind of cable you used, how long?
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