Here, we are updating the temperature value to google spreadsheet. Likewise we can use any sensors like Soil moisture, LDR, HC-SR04 etc. connected to esp8266.
Component required:
ESP8266
MLX90614
Few Wires
Breadboard
Resistor
[youtube]https://youtu.be/Fq1kgt_auns[/youtube]
https://youtu.be/Fq1kgt_auns