On Wed, Jul 20, 2011 at 01:25:31PM +1000, James Cameron wrote: > On Tue, Jul 19, 2011 at 08:07:40PM -0700, Sameer Verma wrote: > > http://www.kickstarter.com/projects/1342192419/pulse-sensor-an-open-source-heart-rate-sensor-that > > > > Minus the Arduino, can this plug into the audio/mic port? > > That would be a question for the designers. I could not figure it out > from the context. > > I can tell you, based on the Arduino board that is used, and my > knowledge of the pinout, that the sensor uses 5V from the board, and a > ground, and the signal from the sensor enters one of the Arduino analog > inputs. However, the analog inputs can be used for digital data as well > as analog data, so this is inconclusive. > > For the XO, the sensor would require 5V power, perhaps from the USB > port. > > I can't tell if the sensor output is compatible with the microphone > input. > Do you know what kind of voltage that mic input can handle? +/5 VDC?
this seems like it would be related: http://wiki.laptop.org/go/Making_XO_sensors/How_to_connect_sensors I live in the same city as this fellow. maybe I can contact him and loan him an XO from my lending library? The cost of the final assembly might not be cheap/accessible enough for many developing world schools to take advantages of this. -- | .''`. == Debian GNU/Linux ==.| http://kevix.myopenid.com......| | : :' : The Universal OS....| mysite.verizon.net/kevin.mark/.| | `. `' http://www.debian.org/.| http://counter.li.org [#238656]| |___`-____Unless I ask to be CCd,.assume I am subscribed._________| Youth of today! Join me in a mass rally for traditional mental attitudes! _______________________________________________ Devel mailing list Devel@lists.laptop.org http://lists.laptop.org/listinfo/devel