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Altera_Forum's avatar
Altera_Forum
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15 years ago

capacitive switch using maxII

Hello, has anybody tried to make this like it's decscibed in the EDN article ? edn-europe.com/capacitivetouchswitchusescpld+article+2250+europe.html How do I insert that Schmitt tri...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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How do I insert that Schmitt trigger symbol

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Don't need to select a symbol, it's a specific I/O standard with MAX II

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Is the touch sensor a normal input pin or bidirectional

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Obviously bidirectional

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a tri-buffer ?

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Yes