New Github Project published , for NodeMCU and DHT22 Sensor.
Many MQTT-Examples are not working. This Ardunio Sketch works with the most common MQTT-Servers.
https://github.com/unixweb/nodemcu-dht22
May I suggest to have a look at Tasmota? It’s fantastic! https://github.com/arendst/Sonoff-Tasmota