“Hello, glad to see you here. I hope that in this instructable you will find some useful information. Feel free to send me suggestions, questions, … Here are some basic data and a quick overview of the project. For mobile users: Video.
I’ve recently bought a NodeMcu (esp8266 based) board just to give it a try so this is not a really advanced project. But it works and it is what I need, so it’s ok.
Main function for this data logger is to collect temperature and save it to a server. This lets users check data and graph online even when they aren’t in the same location of the logger (for example for a weather station). Another useful feature is the OTA update included in the code that let user update and customize the software easily. I’ll analyze two sensors and their related acquisition method to make a balance of all pros and cons.
Spoiler: after a bit of testing i found that a digital sensor like DS18B20 is the best solution because it offers stability and higher accuracy. And for the price it’s already waterproof and sold with the cable.”