Anonymous
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Feb 16, 2016
10:53 PM
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Feb 16, 2016
10:53 PM
I use the chip Psoc4 CY8C4014SXA-421,two button control the two led.the button used spring, I use the Capsense CSD,Tuning method is auto(SmartSense), it's ok . I touch the key ,the led is light .but when i touch the key very slowly ,it's no touch signal ,led is not light ,that's why ,how can i do it?
3 Replies
Feb 17, 2016
01:11 AM
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Feb 17, 2016
01:11 AM
Welcome in the forum!
Smartsense adapts to changing environment as humidity, aging etc. So it might be that very slow changes are not seen as a keypress, especially when the button layout does not confirm with the recommended pictures.
Bob
Feb 19, 2016
12:25 AM
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Feb 19, 2016
12:25 AM
thanks for your answer,but my PCB layout confirm with the recommended pictures
Feb 19, 2016
01:56 AM
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Feb 19, 2016
01:56 AM
When there is no bad handling CapSense in the software I would suggest to
- read out the values SmartSense has found for your design and set those manually
or
- design with CapSense Tuner and use those values (preferred)
Bob