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This
is a project of fully automated water supply system designed with 16F887 Micro controller.
To build the process of the Washing machine we need
several input& output devices. We use PIC 16f887 micro controller as central
control device. First we should supply 5v dc to micro controller. We use a
voltage stabilizer to do that. Weight sensor is used measure the weight of the
cloths which we putted into washing machine. It gives analog input to the micro controller.
In this application we categorize the weight of the
cloths. It as below,
0kg - 2kg = Low weight
2kg – 4kg = Medium weight
4kg – 6kg = High weight
According to these categorization put sufficient water
into the washing machine. We
use 3 Water level sensors to
measure the water level. If we are high
weight cloths have to wait for the three inputs from sensor 1, 2 and 3. After
adding water to the washing machine we have to input time duration manually by
rotating the timer knob. And also use LCD display (8 bit) to display timing
process & massages. We use 8 bit LCD display because display time is very
fast procedure, it changes rapidly.
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