Two Unidirectional Guest Counters
Muhammad Shaheed D. Ibrahim Kevin Richard R. Miraflores
Leocarl M. Viñalon
Richmond Gabi
TABLE OF CONTENTS
I. Title 1 II. Table of Contents 2 III. Chapter 1: Introduction 3 i. Background of Study 3 ii. Objectives 3 iii. Significance of Study 3 iv. Scope and Limitations 4 IV. Chapter 2: Review of Related Literature 5 i. Counter 5 ii. PIC 16F877A 5 iii. 4 MHz Crystal Oscillator 7 iv. Light Dependent Resistors 7 v. LM7805C 7 vi. HD744LS40P 8 vii. HD744LS48P 8 viii. 7-segment anode 9 V. Chapter 3: Materials and Methodology 10 i. Materials 10 ii. Procedures 10 iii. Program 11 iv. Circuit Diagram 15 v. Flowchart 18 VI. Chapter 4: Results and Discussion 19 i. Results 19 ii. Discussion 19 VII. Chapter 5: Conclusion 20 i. Recommendation 20 Chapter 1
Introduction
I. Background of the Study At the very moment, automation has really become part of everyone’s daily lives and its uses vary from a wide range of applications; may it be in business, engineering, agriculture, and even in household levels. Counters are devices which stores (and sometimes displays) the number of times a particular event or process has occurred. One common example of this are guest counters in the entrance and exit passes in a shopping mall. This feature is very important for the marketing/sales department when it wishes to keep track of the sales figure for a specified period of time since the number of visitors entering the establishment tells something about the sales figure.
In line with this, the researchers wanted to incorporate this device with automatic light