Introduction: ESP8266 DS18B20 Thingspeak - Simple

First, go here and follow the setup instructions.

https://www.instructables.com/id/Low-cost-WIFI-temp...

Step 1: No Problem

This instructable has simpler code which should work better without the -1.0999 C problem.

Step 2: Program Files

Upload these (attached) program files. via LUALoader 0.87.