Your project – meteostation is done and do you want to make your home alarm?
Maybe this project is helpful for you. Door sensor with push notification and ESP8266 NodeMCU.
Schematic is very, very easy – it contains only ESP8266 NodeMCU, two resistors, red LED, door contact by (e.g.) amazon.
Code for ESP8266 find on this website.
http://www.myelectronicslab.com/tutorial/door-sensor-with-push-notification-using-esp8266-nodemcu/
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