Need Help on Pic16f628A Combination Lock C Code wih LCD and 3*4 Keypad

Any One Here Can You Please Read Through My C Code and Correct It...My programming is really worse....I really appreciate any inputs from you guys.


/*******************************************
Keypad and LCD lock on Pic16f628A with 3*4 keypad
Project name: Combination Lock (Demonstration of the Keypad Library routines)
LCD Display in 4-bit mode on PORTA
Keypad on PORTB

Door1 = 05
Door2 = 28
Al... Read Compelte post
Posted by DAT on Tue Oct 09 2007, 05:26 AM

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This is a community site. Feel free to help anyone needing advice
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ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Jul 17 2018, 08:31 PM
Thank you.I'm happy it worked out for you.
LAMBO Avatar
Posted By LAMBO
Tue Jul 17 2018, 09:52 AM
hi sir sorry for the late reply thank u sir for he...
ExperimenterUK Avatar
Posted By ExperimenterUK
Thu Jul 12 2018, 08:27 PM
I'm glad we got there in the end :)>whats differen...
LAMBO Avatar
Posted By LAMBO
Thu Jul 12 2018, 06:51 AM
hi sir as u mentioned above to change crystal and ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Tue Jul 10 2018, 07:20 PM
I assume you meant a AT89S52.It seems to me that...
LAMBO Avatar
Posted By LAMBO
Tue Jul 10 2018, 06:06 AM
hi sir i have checked now much of the distortion ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Mon Jul 09 2018, 06:55 PM
Okay that is very interesting.I have attached two ...
LAMBO Avatar
Posted By LAMBO
Mon Jul 09 2018, 08:14 AM
hi sir as u mentioned above program i have tried ...
ExperimenterUK Avatar
Posted By ExperimenterUK
Fri Jul 06 2018, 11:58 PM
Okay..That motor creates a lot of sparks which mig...
LAMBO Avatar
Posted By LAMBO
Fri Jul 06 2018, 01:33 PM
hi sir as u told >Try the original code againi hav...