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Topic: Any Advice for Touch sensitive bowl (Read 369 times) previous topic - next topic

gnomadix

Dear All

just hoping for some advice
a student from my college wants to make a touch sensitive bowl of water
with a light inside (when touched the bowl darkens)

Is there some way of making a sensor work across the whole bowl?
where would be the best place to the equipment to sensitise the bowl and how would it be wired

I would be grateful for any advice

All The Best
Simon


PeterH

I've got a couple of lamps that are controlled by touching anywhere on the body of the lamp - I understand they work by some sort of capacitive sensing. This sounds like the sort of thing you are looking for. I don't know whether the presence of water inside the bowl would be a problem. You might consider looking for standard commercial touch-controlled lamps in shops near you and try to see one working.
I only provide help via the forum - please do not contact me for private consultancy.

grendle

ive used this to build similar things http://media.digikey.com/pdf/Data%20Sheets/Quantum%20PDFs/QT110(H).pdf. its pretty easy to use, you build your own probes, works good once its all hooked up. i soldered a wire onto a penny as a probe.

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