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- From: DI3QC@CUNYVM.BITNET
- Newsgroups: sci.electronics
- Subject: Keypad interface to HC11
- Message-ID: <92315.190637DI3QC@CUNYVM.BITNET>
- Date: 11 Nov 92 00:06:37 GMT
- Organization: City University of New York/ University Computer Center
- Lines: 9
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- I am planning to interface a keypad to the io lines of an hc11. Does anyon
- e have any suggestions on connecting a keypad. I was planning to scan the keypa
- d by driving one of the rows hi and testing the columns. I was planning on test
- ing this every 20ms. How would I take care of debouncing etc. Any suggestions.
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- Alex Jeannopoulos
-