I'm having trouble getting a clear ECG signal from my Bangle. I am using the Heart Rate Monitor app as a reference and what I'm seeing is very low heartbeat peaks compared to the noise. I have watched the following video on the official Espruino channel and the difference is night and day: https://www.youtube.com/watch?v=09hw8nJrWq8
I'm attaching a couple of photos taken of how the signal looks on my watch. I have tried tightening the wristband, flipping the watch so the ECG sensor sits on the other side of my wrist, etc. but had no luck getting the signal to become clearer. I have also checked my settings but couldn't find anything that could affect the ECG.
Is this a defective ECG unit or am I missing something obvious?
Any help would be much appreciated!
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