Sunday 11 December 2011

MOTOR SPEED REGULATOR CIRCUIT


A DIGITAL CLOCK WITH ALARM USING AT89S52 MICROCONTROLLER





AT89S51/52 based Digital Clock without any Clock IC. It has 4 seven 

segment display to display the Time.







                                  DOWNLOAD:Hex file


                      

Saturday 3 December 2011

A SIMPLE FM JAMMER CIRCUIT






                                                                 CIRCUIT  DIAGRAM

Atmel 89S52 microcontroller



Download led blinking program:

 https://rapidshare.com/files/73421935/led_blink.zip



at89s52_ds