GND is the ground pin of the board, and it should be connected to the ground ... First Lets discuss the Circuit Diagram. Arduino Water Level Sensor with 3 LEDs as output – Circuit Diagram Below you ...

3 shows the circuit diagram of the automatic water level indicator cum controller. It is built around an Arduino Uno board (MOD1), three LEDs, a 5V SPDT relay, and other components. First, all sensors ...

THIS repository may help you to make a mini water tank level detection using ultrasonic sensor,arduino and Blynk Application. this code can be compiled in the arduino compiler and uploaded to the ...

The sensor uses two electrodes to detect water levels by monitoring changes in capacitance as the water level rises. Arduino Board: Acts as the brain of the system, measuring charging times and ...

Their functions are described below. Fig. 1: Circuit diagram of auto water dispenser Arduino Uno board is connected to water-level sensor and ultrasonic sensor, which detect water level and pet’s ...