DESIGN AND CONSTRUCTION OF A MICROCONTROLLER-BASED MAINS SWITCH CONTROL SYSTEM
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DESIGN AND CONSTRUCTION OF A MICROCONTROLLER-BASED MAINS SWITCH CONTROL SYSTEM
Chapter One: Introduction
1.1 Background
Humans strive to improve their well-being by addressing environmental difficulties. Over the years, computers and computer communication have become so popular that portable and affordable PCs are now widely available.
According to statistics, most people spend their time on computers connected to a network, whether locally or worldwide. As people spend more time on computers, it’s important to have a gadget that allows them to manage switches remotely.
Switches are crucial for turning on and off electrical devices on a daily basis. Many gadgets have been devised to address the challenges of physical contact with electricity [1]. Switch control systems can range from regulating lights without leaving a seat to turning on industrial electrical devices via computer.
Industrial electrical devices require an interface to communicate with a controller, typically a personal computer (PC). Interface is necessary, so 2.
that the PC is capable of communicating with other devices. This work uses the computer port interface [2]. The microcontroller-based mains switch control system consists of connected devices, including keypads for command transmission and a controller programmed to automatically turn on or off appliances via a computer [9].
Manually switching industrial equipment has several drawbacks, including potential risks to the operator’s life.
Damage to industrial equipment.
Customer dissatisfaction due to damaged equipment. Waste of time.
To address the challenges of manual switching, a computer-controlled switch is being designed. The system is designed to solve the associated issues.
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1.2 Objectives.
This project aims to develop effective software and hardware for a microcontroller-based mains switch control system.
The goal is to create a gadget that eliminates the need to manually switch on and off industrial equipment by allowing remote control via a computer system.
Programme control switch reduces the need for manual switches, potentially removing them entirely.
Develop a solution to protect microcontrollers from environmental stressors such as shock and noise.
Eliminates friction through programme control switch.
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1.3 The significance of the project
This research highlights the system’s potential for use in several industries, including schools, hotels, corporate centres, and governments, regardless of size. The system allows the control of switches from a single computer system via an interface on the screen. This effort may also generate job chances.
Saves time: This work eliminates the need to manually switch between devices to verify proper procedures are followed.
Safety: Avoiding direct contact with manual switches, which has resulted in fatalities due to power instability.
Cost-effective: The method eliminates the need to purchase expensive switches that can quickly wear out with repeated use.
Home device: This system can relieve stress at home, especially when everyone leaves for work. So it can be used: 5
When put on a web-based system, the work can be used for academic purposes.
Increased profit leads to higher tax payments to the government.
1.4 The scope of the project
This project focuses on controlling electrical devices using a standalone computer system. This prototype uses a serial port to control up to three devices, including three lamps and three relays for demonstration.
The interface connects to a microcontroller, which is a single chip that houses a computer’s central processing unit. It can comprehend and execute programme instructions and perform arithmetic operations [1].
In the late 1970s, computer engineers were able to create microcomputers. Microprocessors enabled “intelligent” terminals, including bank ATMs and point-of-sale systems, as well as automatic control of industrial and hospital equipment, programmable microwave ovens, and electronic games. Many autos use 6.
Microprocessor-controlled ignition and fuel systems. The microprocessor is the central component of a computer system, including the calculation and control engines.
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