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Old 17th February 2008, 05:00 PM   (permalink)
Default AT89C51 interfacing with AT KEYBOARD REQD

HI, i need help i interfacing the AT keyboard to AT89C51. can any one help me in this.
thanks
deep
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Old 17th February 2008, 07:07 PM   (permalink)
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while you will be able to get it by Google search, please use its younger brother 89S52 for cost and ISP flash programming ease. you get lot of programs for that purpose on 8052.com
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Sarma.

Last edited by mvs sarma; 17th February 2008 at 07:10 PM.
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Old 26th February 2008, 02:40 PM   (permalink)
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dear mvs sarma
thanks alot for the help
regards
deepv
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Old 12th March 2008, 11:22 AM   (permalink)
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hi...

can any1 help me how can i create a password recognisation system using AT89S51/AT89S2051 and a 3X4 Keyboard... in net i m getting the abstract but not being able to get the program or logic... please help, its urgent....
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