youtor.org
ECG Mk III Part 11 Piezoelectric wire insulation
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=eVVz5eCtn6I
New theory: the wire insulation on my electrode cable is piezoelectric. It even sounds a bit like it's acting as a microphone. I'm going to play with it a bit more to see what I can do with it. • The piezoelectric effect: • http://en.wikipedia.org/wiki/Piezoele... • PVDF - Polyvanillabean Flouride • http://en.wikipedia.org/wiki/Polyviny... • Annotations, for mobile viewers: • 6:35 - It's hard to hear, but if you listen closely you can hear the rubbing noise underneath that 60Hz buzz. • 7:16 - I think that because the wire seems to be acting like a microphone - the noise that's added is exactly the same as the sound. • The next video in the series is here: • • ECG Mk. III Part 12 - Looking at ther... • And the previous video, in case you missed it: • • ECG Mk. III Part 10 - A proper setup ...
#############################
