I’ve been keen to do some temperature monitoring. This is IoT basics 101. I thought of a use case for my Beer Brewing. Jaycar had DS18B20 temperature sensors at $7.90$ NZ each. They are cheaper than the DH11 & DH22 which are more expensive as they do humidity as well. So I thought I’d start
I came across Node RED as I was looking into IoT projects to do with Raspberry Pi. You can use it on PC’s and on Raspberry Pi’s, it comes installed in the Noobs package. It is an Open Source visual programming language that you plug actions into each other to create a flow of actions.