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RF/Microwave  

STR71x GPIO driving a 4x4 matrix keypad

Posted: 08 Dec 2004  Print Version  Bookmark and Share Subscribe

Keywords: ST 

[Summary of tips] This app note demonstrates the use of a 4x4 matrix keypad multiplexed with a four 7-segment display including external interrupt generation by pressing the keys of a 4x4 matrix keypad.View the PDF document for more information.
 
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