Important: Use custom search function to get better results from our thousands of pages

Use " " for compulsory search eg:"electronics seminar" , use -" " for filter something eg: "electronics seminar" -"/tag/" (used for exclude results from tag pages)


 
 
Thread Rating:
  • 0 Votes - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5
digital visitor counter project report
Post: #1

please send me a project report on automatic digital visitors counter using 4026
Post: #2
INTRODUCTION
A counter that can change its state in any direction, under the control of an ascending selector input, is known as anup-down counter. The circuit given here can count numbers from 0 to 9999 in up and down modes depending on the state of the selector. It can be used to count the number of people entering a room in the upstairs mode at the front door. In the descent mode, you can count the number of people leaving the room decreasing the count at the exit door. It can also be used on the doors of parking areas and other public places. This circuit divided into three parts: sensor, controller and counter display. The sensor would observe an interruption and provide an input to the controller that would operate the counter in up / down mode depending on the setting of the selector. The same count is displayed on a set of 7-segment displays through the controller.
DESCRIPTION OF THE BLOCK DIAGRAM:
From the block diagram it is clear that the pairs of sensors are placed face to face so that the IR radiation of the IR LED is continuously received by a phototransistor which causes its emitter base junction to be forward and the collector current Ic is Equal to the emitter current Ie (ie Ic = Assuming the base current is negligible. Therefore, the node of the voltage collector is zero (logic 0) which is the port pin of the P3.2 power tomcontroller And P3.3, if any object is placed between the pairs of pairs of sensors IR radiation which in turn puts the phototransistor in cut mode and Ic! = Ie, this causes the collector voltage to + 5V (logic 1 )

CODING:
// Program to make a bidirectional visitor counter using IR sensor #include <reg51.h>#define msec 1unsigned int num=0;sbit dig_ctrl_4=P1^3; //declare the control pins of seven segmentssbit dig_ctrl_3=P1^2;sbit dig_ctrl_2=P1^1;sbit dig_ctrl_1=P1^0;unsigned intdigi_val[10]={0x40,0xF9,0x24,0x30,0x19,0x12,0x02,0xF8,0x00,0x10};unsigned int dig_1,dig_2,dig_3,dig_4,test=0;unsigned char dig_disp=0;sbit up=P3^5; //up pin to make counter count upsbit down=P3^6; //down pin to make counter countdown


void init() // to initialize the output pins and Timer0{up=down=1;dig_ctrl_4 = 0;dig_ctrl_3 = 0;dig_ctrl_2 = 0;dig_ctrl_1 = 0;TMOD=0x01;TL0=0xf6;TH0=0xFf;IE=0x82;TR0=1;}void delay() //To provide a small time delay{TMOD=0x01;TL0=0x36;TH0=0xF6;

TR0=1;while(TF0==0);TR0=0;TF0=0;}void display() interrupt 1 // Function to display thedigits on seven segment. For more details refer sevensegment multiplexing.{TL0=0x36;TH0=0xf6;P2=0xFF;dig_ctrl_1 = dig_ctrl_3 = dig_ctrl_2 = dig_ctrl_4 = 0;dig_disp++;dig_disp=dig_disp%4;switch(dig_disp){case 0:
 


[-]
Quick Reply
Message
Type your reply to this message here.

Image Verification
Image Verification
(case insensitive)
Please enter the text within the image on the left in to the text box below. This process is used to prevent automated posts.

Possibly Related Threads...
Thread: Author Replies: Views: Last Post
  download ee training report of ntpc badarpur Guest 0 0 Yesterday 10:05 PM
Last Post: Guest
Rainbow Multi Banking Project using .net Suvendu1986 5 4,936 24-06-2017 07:43 PM
Last Post: Guest
  business studies project of last year on anti plastic campaign Guest 0 0 24-06-2017 10:55 AM
Last Post: Guest
  project on fingerprint attendance management system Guest 0 0 23-06-2017 02:21 PM
Last Post: Guest
  g 2 apartment building mini project pdf Guest 0 0 22-06-2017 08:18 PM
Last Post: Guest
  marketing management project of class12 on body lotion Guest 0 0 22-06-2017 10:51 AM
Last Post: Guest
  anantha pvc pipes pvt ltd inventory management project Guest 0 0 21-06-2017 08:26 PM
Last Post: Guest
  final year military based electronics project Guest 0 0 20-06-2017 03:01 PM
Last Post: Guest
  RATIONSHOP INVENTORY CONTROL SYSTEM full report smart paper boy 33 17,592 20-06-2017 06:54 AM
Last Post: jayakrishnan2577
Video physics investgatory project on solenoid class 12 pdf Guest 0 0 17-06-2017 10:07 PM
Last Post: Guest
This Page May Contain What is digital visitor counter project report And Latest Information/News About digital visitor counter project report,If Not ...Use Search to get more info about digital visitor counter project report Or Ask Here

Options: