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EVERYTHING FOR ELECTRONICS
— record the changes in pressure distribution as I run. My goal is to record
changes in pressure distribution at different running paces. Runners at the
Olympic Village use similar systems, but these sell for around $50K. I’ve amassed
most of my sensor collection from teardowns of devices I’ve picked up from Ebay.
I’ve also purchased a few sensors from SparkFun Electronics and Parallax.
Amazon is a convenient source for ECG electrodes, but you’ll have to buy in
bulk. If you want to experiment with a Polar heart rate monitor sensor strap, then
consider the Polar interface from SparkFun. A Polar chest strap sensor is about
$50 on Amazon. As a final note, think about what you’re doing. Electricity is
potentially dangerous, in part because the salty fluid in your body is an excellent
conductor. Don’t use AC power and DC — at significant current — can burn. If
you’re not familiar with adhesive electrodes and other ‘direct’ connections, start
out safe with optical sensors. Even then, consider that you could damage your
eyes if you stare long enough into an active LED. Have fun on your journey. NV
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