ModeMcu : https://pan.baidu.com/s/1hsgp3mO
Link: http://pan.baidu.com/s/1c2fJwsw Password: c9t9
Arduino IDE Tutorial: http://www.windworkshop.cn/?p=758%20(%EF%BD%80%E3%83%BB%CF%89%E3%83%BB%C2%B4 )
Instructions https://www.plotcup.com/2016/11/26/nodemcu-1/
The switch 4.1 system is officially broken http://bbs.a9vg.com/thread-5336030-1-1.html
Different blogs: https://so.csdn.net/so/search/s.do?q=NodeMCU&t=blog&u=leytton