Capacitive Soil Moisture Sensor V1.2 - Garden Test!

Looking at the principles of operation of the Capacitive soil moisture sensor, testing its output in wet to dry conditions, and taking it out to the garden for a real soil test! These sensors on Amazon (affiliate links): : : Capacitive Sensor References: Capacitive-Based Liquid Level Sensing Sensor Reference Design The Fringe-Capacitance of Etching Holes for CMOS-MEMS