Author - John Pote

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John Pote	Write for Electronic Design

1 results found for John Pote, displaying items 1 - 1

November 11, 2002 [Ideas For Design]
One-Pin Keypad Interface Conserves Battery Power
This idea builds on a previous IFD, "Connect Any Keypad With Any Microcontroller Using Only One Pin" (electronic design, May 1, 1998, p. 126), where a 555 timer connects a keypad switch matrix to a microprocessor. The timer converts a...