Republic of the Philippines Department of Education



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Figure 2.1.8 Circuit Diagram of Water Pump and Relay


II. Materials and Procedures

The researcher will use the following materials:



The researcher obtained the materials needed from 3M Electonics and Gaisano Grandmall in Basak, Lapu-Lapu City, from Alfonso Hardware in Poblacion Lapu-Lapu City and from the house of the researcher, located at Pajac, Lapu-Lapu City, recycled materials were obtained and used for the project

2x HC-SR04 Ultrasonic Sensor



The HC-SR04 Ultrasonic Sensor utilized sonar to determine distance to an object. It provides non-contact range detection and is accurate together with ultrasonic transmitter and receiver module. Two (2) ultrasonic sensors were used in the system to (a) detect solid wastes at the drainage and (b) determine the water level inside the tank.

Arduino Uno R3 SMD




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