[Cyborg] heart circuit
mrericboyd at yahoo.com
Wed Oct 20 20:27:46 PDT 2010
Heart circuit an all it's cute glory:
Chung-Hay - I'm still planning to make one for you. I have all the
parts it's just a matter of soldering together a second one :-).
Unfortunately the battery holder I designed this one around is more
cumbersome on the back than I had anticipated so it's rather difficult
to actually stitch it into things. Not sure how I am going to resolve
that problem, because I think that battery holders are ugly and I don't
really want to put it on the front... I'm open to suggestions.
Thanks to everyone who helped with / commented on the design - I'm
actually really pleased with how it came out, although I have a huge
list of things to redesign before I make more boards :-)
Also, Arduino sleep_mode() is really excellent and easy to use. I did
some current measurements and using sleep mode cuts power consumption
for this small circuit (that basically flashes LEDs ~once a second on an
interrupt generated by the polar receiver) to 1/15th of it's previous
value (average consumption 2.4mA vs 34mA). That's AWESOME!
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