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3 questions
0
votes
1
answer
363
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Resistive finger PCB button
I want to do something similar to this question:
PCB "Touch" Button
However there the PCB was not described that much. I have a design where each 'finger' is 1mm apart.
And I'm not sure ...
- 135
0
votes
2
answers
324
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Issue with a touch switch
I made a touch switch in PCB based in the following schematic
When touching the plate with a finger the BJT turns on and the 555 trigger pin goes LOW activating the pin 3 (OUTPUT).
The time the ...
- 518
0
votes
0
answers
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Touch pad Document
I tear down one touch pad and wonder what technology they used.
I am sharing picture of it.
Any one know what is used for touch sense ? (my guess is capacitive).
I am planning to design one by myself. ...
