check the level of the basket

Water level in an underground water reservoir

Water softener salt level monitor. Sensor uses ESP8266-12 & HC-SR04 ultrasonic sensor. Remote uses ESP8266-12e & Nokia 5110 LCD to display the level.

condition of the fish tank

dit is de logging van mijn aquaponics Arduino

Water Level Checking

This is the water level of some wells near Limbach-Oberfrohna (Germany). The Waterlevel is messured over a pressure-sensor "1610" on the ground.

Read water height

Aquarium Monitoring Channel

It consists of 2 sensors, ultrasonic sensor to detect level of garbage and moisture sensor to detect wet garbage.

Boiler Parameter Monitoring System