A blog about ESP8266, how to write code for various sensors connected to ESP8266. How to use esp8266 with dht22 and thingspeak
![ota-over-the-air-esp8266 [ESP8266 Support WIKI]](https://i.pinimg.com/originals/92/aa/84/92aa84f2aa7f97d857e70a4ea22c5afb.png)
