need code for 89c2051 and 89c4051

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arsalanghouri

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can any one give me a code (asm or c) for a project that have

two 7segment display

four button control (up down mode and set)

have three modes
1-count down in hours(0-99hrs)
2-count down in minutes(0-99mins)
3-count down in seconds(0-99secs)

i will use this code in 89c2051 and 89c4051
can i use the same codes in both controllers
 

santoshaxl said:
yes you can use depends upon your code size
here is your sample project Downloads / 8051 Projects / Simple Digital Countdown Timer using 7-seg Display : 8051 Microcontroller Projects AVR PIC Projects Tutorials Ebooks Libraries codes
Click to expand...

Timer 0 is used for 1 second timer delay. Code is written for a hardcode 10 minutes timer. plus this code referred code is for three seven segment display i only have two displays and referred project has only two buttons but i want one with four button and not to forget the three codes

can any one make changes to the referred code
 

ok i send some thing i hope this will help u
 

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  • COUNTDOWNTIMER.rar
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dear arsalanghouri
try to make ur own code then if u get problem everyone here can help u
in this it will be easy for u to understand every thing
use timers for delay generation
generate a delay of 50ms count it for 20 times it means delay is 1 sec now can go furthermore to min and hours
 

are you from india? similar project you can find in efy i don't know if i can post here!
didn't you follow arun 9988 code
 
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i am from pakistan what is efy you can email the link to it basically i have a working timer with all the features i mentioned above i want a code for it which suits the circuit i have the hardware and its working
 


this is only for guide and u can adopt some part of code
 
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