Water softener salt level monitor. Sensor uses ESP8266-12 & HC-SR04 ultrasonic sensor. Remote uses ESP8266-12e & Nokia 5110 LCD to display the level.
This channel will record temperature, humidity, soil moisture and battery voltage
comparison on water use efficiency and crop yield using smart irrigation system and manual irrigation System
Planta conectada à internet que avisa no seu celular quando precisa ser regada