Simple "wheel" PCB for prototyping

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Any idea how I can get hold of a simple "touch-wheel" pattern PCB or membrane for a prototype, I can "breadboard" the electronics but want to avoid a custom PCB for the actual electrode until I'm nearer production.

 

 

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Same/similar question, just want one that works as a button/slider for an MCU with PTC.

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Incidentally I've obtained an Azoteq IQS263EV02 demo board. I can't seem to get the results I want with the IQS263 IC but the kit does include two demo PCBs with just the electrodes on.

 

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A bit late but I have 1 of these Atmel QT-1 if anyone can use it, just pay for the postage of around AU$24.00.  https://www.microchip.com/Develo...

 

 

 

John Samperi

Ampertronics Pty. Ltd.

https://www.ampertronics.com.au

* Electronic Design * Custom Products * Contract Assembly