Question about the ds18b20 temperature sensor

[John93]

@fthmd

I have connected Ds18b20 but, in room temperature i read 73 Celcius.

Post your sketch so we can take a look at it.

@fthmd

i am trying to learn out of range notification settings “in coding” with Blynk

Read this

Events, Notifications and the use of "Flag" variables

Update 19th May 2022 - you’ll see references to a limit of one event per minute in this tutorial. It appears that this limit has now been removed. I’ve not yet tested this myself, and when I do I’ll update the tutorial to reflect my findings. I’m seeing quite a few posts from people who are finding it difficult to get notifications working in Blynk IoT, and who don’t understand how to use “flag” variables to limit the number of notifications that are sent for any given alert situation. I thoug…