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Looking for an eval board to test a capacitive touch dimmer circuit through 5-10mm of wood.

ryan trann
Prodigy 65 points

Hi

I'm working on a dimmer circuit for an LED lamp that I've designed and built for production. The idea is to have the dimmer work via capacitive touch or proximity sensors through about 5-10mm of wood, so that you cannot see any electronics from the outside and you just glide your finger on or just above the wood surface to dim the light.

What would be best in this case, proximity or capacitive touch? Touch sensors or sliders?

I'm looking for an eval board that has the sensors (or sliders) in a line formation as that is how I will be using them. I would also need access to the various control parameters so that I can increase the gain and calibrate the system for my needs, a gui is pretty helpful in this. Can you point me to the most applicable eval board that TI has to offer that will help me accomplish this?

Do you think I will have issues with wood interfering with the sensors?

Thanks in advance!

Ryan

  • 0
    TI__Guru 52115 points
    Hi Ryan,

    Unfortunately, We decided to stop supporting any capacitive projects last year. If you are still interested in the capacitive touch solution from TI. I would suggest you post your question in the MSP430 forum, I think they may be able to help you.

    Andy