Construction Of A Microcontrolled Based Lift (Elevator)

Project and Seminar Material For Electrical Electronics Engineering EEE

Project and Seminar Material For Electrical Electronics Engineering EEE


Lift or elevator is a transport device that is used to move goods or people vertically.

Lift are used to move goods or people vertically in high buildings such as shopping centre working offices, hostel and manly more.

It is very useful device that moves people to the desired floor in the shortest time. In this project, the motorla mc 68Hc811E2 microcontroller based lift control system is adopted and constructed for simulation as an actual lift in the real life.

Table Of Content

Preliminary Page(s)

  • Approval page
  • Certification
  • Dedication
  • Acknowledgement
  • Table of content
  • Abstract

Chapter One

  • 1.0 Introduction

Chapter Two

  • 2.0 Literature review

Chapter Three

  • 3.0 Components and functions
  • 3.1 Micro controller
  • 3.2 Programming the peripheral interphase controller (pic) 16F8H pic micro controllers
  • 3.3 Rom instruction memory
  • 3.4 Ram memory
  • 3.5 Circuit symbol of micro controller
  • 3.6 Crystal oscillator
  • 3.7 Relay
  • 3.8 Voltage regulator
  • 3.9 Transformer
  • 3.10 Capacitor
  • 3.11 Resistors
  • 3.12 Diode
  • 3.13 Switches

Chapter Four

  • 4.0 Circuit diagram
  • 4.1 Construction
  • 4.2 Circuit diagram of base lift
  • 4.3 The operation of the circuit
  • 4.4 Preparation for programming a device

Chapter Five

  • 5.0 Conclusion / Problems, Encountered and Recommendation
  • 5.1 Conclusion
  • 5.2 Recommendation
  • 5.3 Reference

Chapter One

1.0 Introduction

A base lift is simply a co-detect in the sense that, it makes use of “number” as a mechanical device. It is a simple and secure method of moving save without having to resort to the use of keys. The co-detect is extremely easy to install wit its high tech design, robust casing and stylish stainless finish, ensuring that it fits in most environments, from exclusive offices to stores and industrial premises.

The new Encyclopedia Britannica, 1768 defines code number as “a mechanical device for securing a lift or receptacle so that it cannot be moving except by a key or a series of manipulations that can be carried out only by a person knowing the actual number ”. At this time, lifts are perceived as mechanical devices that can be classified into key-operated.

The base lift is a practical and number selecting solution, ideal for commercial or residential premises. It removes the need for keys, taking away the hassle and cost of copying or replacing lost ones. Base lift fitted with a co-detect are opened by pressing the actual number on the keypad.

The base lift incorporate an electronic digit number, a mechanical device and a power unit in the same housing and alterations to the lift frame. As a result, installation is very simple and only takes a few minutes. The lifts move itself when a particular number has been entered.

The MC 68HC811E2 micro controller is used to coordinate the functions of various hardware circuitries. Service request circuit or keypad and sensors are used as input. Stepper motor driver circuit, Dc motor circuit, seven-segment display, buzzers and various types of Led (light emitting diodes) displays are used as output.

The lift model was constructed to simulate an actual life in the real life.

The software for the system was designed according to the real lift traffic management algorithm.

The combination of the hardware and software perform the simulate function of a basic lift system.

Chapter Five

5.0 Conclusion, Problems Encountered And Recommendation

5.1 Conclusion

In this project work, the base lift was constructed, the construction made use of the fact that the sensitivity and input resistance of the the base lift is increased when the decoder decodes the voltage signal supplies by the microcontroller instead of the circuit under test.

The instrument is versatile and can be used in various industrial applications.

5.2 Problems Encountered

Problems encountered during this project were enormous.

First, it started with the project design, it as not easy before we could come out with a working circuit design. We kept changing the interface to acquire the desired results. Modification was done over and over again to get the desired result.

Secondly, most of the components needed were not found, the design has to be changed because of unavailability of the needed components. Even the ones that were found turned out bad or not working or destroyed in the process of wiring or soldering, which made us use more components than we anticipated.

Another crucial problem was power supply. The better part of the project was done using generator, as the power supply was unstable.

Time factor was also a major problem, the time given for the finishing and defense of the project was rather too short.

5.3 Recommendation

The base lift is an interesting project design which helps the student to understand how electronic components can be put to use in order to achieve a circuit of mechatronic’s project which measure the input load and give out the load reading which is displayed in the seven segment, we strongly recommend that this project should be taught in class so that our future successors can benefit maximally and also appreciate how the circuitry works so as to realized this wonderful design

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