Does this provide some insight: "Example code for the "Chirp" soil moisture sensor"
http://forum.espruino.com/conversations/270246/#comment13634478 http://www.espruino.com/simple_data_logger http://www.espruino.com/Tutorials
@Robin started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
Does this provide some insight:
"Example code for the "Chirp" soil moisture sensor"
http://forum.espruino.com/conversations/270246/#comment13634478
http://www.espruino.com/simple_data_logger
http://www.espruino.com/Tutorials