Hi all, I've been researching about how to make a touch sensor, the circuit itself is relatively easy, there are tons of ICs that can make this possible ranging from 555 timer to ATMEL AT42QT1010. (I've chosen atmel).
However, how about the sense electrode? I understand touching any copper plate will do, you can even cover it will any non-conductive material, but how they make this thing possible (image in attachment), how the electrode sense the touch from the glass alone?
I appreciate the help a lot! This is basically the only thing that I'm stuck with
However, how about the sense electrode? I understand touching any copper plate will do, you can even cover it will any non-conductive material, but how they make this thing possible (image in attachment), how the electrode sense the touch from the glass alone?
I appreciate the help a lot! This is basically the only thing that I'm stuck with
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