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Member Since: May 2, 2012

Country: United States

  • I reduced the noise by giving each component a 3.3v through a regulator off of the 5v Pi line and also moving things around so that the 3 sensor leads didn't come near or cross any other signal or power traces.

    Oversampling also reduced the noise.

  • Have connected this to a Arduino pro mini 328 and that in turn connects to a Raspberry Pi to run the processing. Both the Pro Mini and AD8232 run off of the 3.3v GPIO, whilst I get a good trace I also pick up 50hz (UK) noise and although adding a few caps diminishes it is still quite noticeable.

    Any thoughts of how to lower the noise? For example would it be good to run the Arduino and AD8232 from their own 3.3v regulators and have these use caps to lower the noise also? Any help would be appreciated as the pro mini 3.3v 328 & Pi make a great combination.

No public wish lists :(