Digital count Down Timer Using 8051
This is a Simple Count Down Timer implemented using 8051 For Source code,Simulation File: Click Here Circuit Diagram Timer
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How to Interface Stepper Motor with 8051
Stepper motor is a variable reluctance DC motor. When correct input sequence of signal is given to the motor, it starts rotation in steps. ULN2003 is high voltage, high current Darlington arrays each containing seven open collector Darlington pairs with common emitters. Here it is used as a current driving IC. This IC is required because stepper motor require more than 60mA current and since controller doesn’t work at this current rating so this IC provides high current to the stepper motor. In the circuit port P2 as output port which provide input sequence to four input pins of ULN3003 and output of ULN2003 drives the motor. Input sequences : Simplest sequence 0001 0010 0100 1000 And for half step size 0001 0011 0010 0110 0100 1100 1000 1001 Circuit : Code: #include<reg51.h> sfr stepper = 0xA0 ; void delay ( unsigned int count) { int i; for (i = 0 ;i < count;i ++ ); } void main () { while ( 1...
How to make Quiz Buzzer using 8051
About: This is simple buzzer which can used in any type of Quiz program. Maximum 8 Participants can use this. Once a participant pressed the button it will show who pressed it in the 7 Segment display. it will remains there until reset is pressed. Circuit : Source Code and Simulation file: Click Here
Simple Digital Thermometer using 8051
Source Code, Simulation , Circuit Diagram: Click Here Circuit Diagram:
8051 Based Digital Clock with alarm using DS1307
This Project show a simple demo to interface DS1307 with 8051 Source Code and Simulation File Download: Click Here
Car Parking System Using 8051
This Project show a sample demonstration of Car Parking System. It supports max 4 cars. This is a prototype. C ircuit Diagram: For Source Code , Proteus Simulation File : Click Here