Noise reduction, Bro

A project log for OpenECG

A wearable, high-performance ECG device, aimed at heart patients, athletes and more

Alex LunguAlex Lungu 03/30/2016 at 15:471 Comment

Noise is still an issue, but even a simple RC filter does a lot of good. Unfortunately, we are still missing the electrodes for the ecg but with a lot of pressure (and pain) we managed to get some readings ;) This is without the filter and with some saturation problems.

This is with a simple 10 uF-330 Ohm resistor rc lowpass filter

Notice there's a small drop in the noise. The scope picks up this way better. Some hardcore software filters should do a lot better, coupled with better electrodes. Anyway, for such a rudimentary setup, it's quite alright.

Further testing required:)


Alex Lungu wrote 03/30/2016 at 15:48 point

By the way, that's my actual heartbeat...something like 65 beats per minute

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