MOD-PULSE Board doesn't work with the demo source code

Started by thaitu, December 15, 2013, 10:05:11 AM

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I am using the MOD_PULSE Board bought from Olimex, I have successfully downloaded the sample code provided to the board, and the 2 leds (infrared and visible) of the sensor probe have flashing with the frequency 500Hz (I measured using Osc), but the LCD display nothing beside 4-arrows, no parameter, no heart rate... and the the 4-arrows also not flashing as described in the manual as it should be if the heart beats.

Please give me some advises !
Thank you very much !