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Keypad Scanning Hardware/Firmware

, 14 Jan 2011
Scan any size switch matrix using 5 general purpose I/O ports.

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About the Author

Mike Hankey
Retired
United States United States
I'm an old assembler and C programmer self taught in the object oriented languages and Web design. Upon graduating from Murray State University in 1983 I Started doing embedded systems for the automotive industry, got a wild hair and moved to Florida in 1986 and did some work on DEC PDP and MicroVax computers.
My latest project:
ToDoManager extension for VS2010 and Atmel Studio 6.1

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