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This project is one more version of a tank water level monitor. The water monitoring system is a liquid level measurement system to keep the user alerted in case of liquid overflow or when the tank runs out. An ultrasonic sensor will be fixed, which will be placed on the tank pointing at the liquid. The ultrasonic sensor is used to measure, compare the depth of the container and the liquid level. System status can be monitored via an LCD display and a buzzer sounds when the limit exceeds the allowable fill amount or falls below a set limit. Through the button we can silence the alarms with a long press and also turn on the LCD backlight for better vision with a short press.
You can view the demo here.
Warning : Once inside of WOKWI web press the PLAY button to start the simulation. Click on the ultrasonic sensor and a slider will appear to simulate the reading values of the sensor. Vary the values between 25 and 104 cm to see the tank fill animation. Where 25 cm is a full tank and 104 cm (tank height) is totally empty. The JSN-SR04T sensor has a dead zone of 25 cm.