ELECTRONIC MEASURING OR CONTROL DEVICE USED FOR WATERING PLANTS BASED ON NOISTURE SENSOR

摘要

Disclosed is an electronic control device (21) for watering plants, comprising at least one electronic moisture sensor (1) based on a moisture-sensitive capacitor (5) for measuring the moisture of the dirt. Said capacitor is provided with a dielectric (8) whose dielectric coefficient changes when moisture penetrates thereinto.