ESP8266 + DS18B20 Temperature sensor sends data to Thingspeak.com -
ESP8266 NodeMCU thermometer - Ales Filip
Lua NodeMcu ESP8266 V3 WIFI modul | dratek.cz
Low Cost WIFI Temperature (DS18B20) Data Logger Based on ESP8266 With Connectivity to Thingspeak.com | Data logger, Electronics projects, Esp8266 projects