30-04-2011, 10:47 AM
hi
you can refer this page to get the details on SECURITY CODE LOCK USING 4*3 KEYPAD LCD (AT89C2051)
http://studentbank.in/report-digital-cod...-at89c2051
you can refer this page to get the details on SECURITY CODE LOCK USING 4*3 KEYPAD LCD (AT89C2051)
http://studentbank.in/report-digital-cod...-at89c2051