Heat and cold might also be a good stress test (freezer & oven). Pretty sure temperature will affect resistance though.
Depends if your product will always be used at room temp.
Robert
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Re: another way to get a keyboard matrix to work off 1 adc pin
Heat and cold might also be a good stress test (freezer & oven). Pretty sure temperature will affect resistance though.
Depends if your product will always be used at room temp.
Robert
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