Control Electrical Appliances Using PC Student EEE Projects

Control Electrical Appliances Using PC Student EEE Projects: The computer has many evolutions with hardware and software that remain unbeatable and one of them is the structure oriented programming language or C. This paper describes about Controlling Home/Industrial Appliance with C language and this idea is evolved from the features of microcontroller and extended from PC is a pulse that helps in controlling electrical/electronic appliance.

A resistor is a two-terminal electronic component with voltage proportional to the electric current as per according to Ohm’s law, V = IR.  Resistors are elements of electronic circuits in electronic equipments. The characters of a resistor are the resistance, the tolerance, maximum working voltage, the power rating, temperature coefficient, noise, and inductance. Resistors are integrated into hybrid, printed circuits, and integrated circuits.

A bipolar junction transistor (BJT) is a three-terminal electronic device used in amplifying or switching applications. The charge flowing in a BJT is because of bidirectional diffusion of charge carriers across a junction between two regions of charge concentrations.

NPN is a bipolar transistor with majority charge carriers where electron is higher than hole in semiconductors that allows greater and faster currents operation. A relay is an electromechanical switch used in electronic devices to switch voltages and electronic signals. It is based on the principals of electromagnetic and relay has an inductor that generates a magnetic field.

A diode is a two-terminal electronic component refers to semiconductor diode connected to two electrical terminals that is a P-N junction. A vacuum tube diode has two electrodes, a plate and a cathode that allows electric current in one direction.


The conclusion of this project is to apply a voltage or a digital signal ‘1’ is on the parallel port of the computer written in C. This project is used for many applications like Hotel power management, Street light management, Home automation, High voltage grid control, and Industrial automation.

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