Automatic Handwash System Using Microncontroller

Mohd Yusop, Sophya Liyana (2010) Automatic Handwash System Using Microncontroller. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

This project is to build and to test an automatic hand wash system. The automatic hand wash system is more advanced than the conventional hand wash and it is designed to improve life by having a more convenient hand wash system. For instance, the water, soap and dryer are integrated all into the system. The machine controls the water, soap and dryer automatically in sequence using the PIC16F877A microcontroller. Water, soap and dryer are controlled based on the programming code that programmed in the PIC16F877A microcontroller. The project is using the infrared sensor to detect the user hand. The level of soap can be detected by sensor. First, the soap sensor detects the level of soap, if the level of soap low, the red lamp will ON and the operation cannot operate. When the green lamp was ON, that means the level of soap is full and the operation can operate. Then if the infrared sensor (hand sensor) detects the user hand, the water flows · to wash the hand for 10 seconds. After that, the soap will flow for two seconds and delay for eight seconds. After delay, the water flow out again for 10 seconds and dryer will activate depends on the user hand. If hand sensor cannot detect the user hand, the operation will end.

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