Due to ongoing debates about the use and misuse of the “German Support” category to the detriment of users who don’t speak German, the creation of new topics on the category has been closed. Thus, this category is now read-only.
I had this idea also. But it doesn’t comes true. You can’t measure hole time PH, 'cause you must adjust the prob from time to time. If you doesn’t adjust the prob well you get bad measure values. The prob gets dirty and you must clean it every time… There is no benefit to make this as smart home device. That’s why I’m decide to delete this plan from my IoT list.