Multitouch Prototype 1
2 years ago
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3. Multitouch Prototype 1
2 years ago
My first prototype of a capacitance-based multitouch sensor. Four force sensing taxels. Taken Jan 6, 2008.
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JulienPobot 1 year agoGreat ! I can understand how the capacitance works (some analogic input) but how did you make it multitouch ? in fact it's multitouch if the two touched segments are different (e.g. not between two taxel) ? -
Randy Jones 1 year agoEach taxel has AC at a different frequency. On the computer the sum is taken apart with an FFT, so the distance of each plate from the common pickup can be measured. I’m hard at work on the next version -- 8x8 taxels at 1kHz. Stay tuned!
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