Blynk at Raspberry and multiple esp8266 nodemcu door sensors

Need Help With My Project
1

Hi. new to the area. I am looking to create a project and i do need some guidance. I have 5 esp8266 nodemcu, 5 magnetic door switches

https://www.amazon.com/xin-sheng-MC-38B-Embedded-magnetic-Security/dp/B077SFDTJF/ref=sr_1_1_sspa?ie=UTF8&qid=1530555859&sr=8-1-spons&keywords=magnetic+door+switch&psc=

1

and looking to get the state of open/close ASAP from each one of them. I would like to ask for some guidance on how to do, please

2

so … what do you have so far? In coding, electronic scheme, searches on google, ideas, tests etc etc.

3

Start basic, simple, small… read the Documentation and Help files, Play around with the basic example sketches… etc… Al those links are at the top right of this page… scroll up to see them.