I have used capacitive sensing in a handheld terminal with a graphic LCD. It scans 24 keys (although it will handle up to 32 keys) and does require a special MCU - I'm using a PIC18F44K20. Does auto-repeat, audible feedback, etc.
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I have used capacitive sensing in a handheld terminal with a graphic LCD. It scans 24 keys (although it will handle up to 32 keys) and does require a special MCU - I'm using a PIC18F44K20. Does auto-repeat, audible feedback, etc.
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Last edited by rmteo; - 4th May 2010 at 21:09.
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