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PU CONNECTOR PUL 12 (12mm OD Union Elbow) 16 32 64 GB SD Card The PPG sensor array achieves The PPG sensor array achieves heart rate accuracy within ±2 3 bpm under resting conditions and ±5 bpm during high intensity exercise when compared to clinical grade ECG devices enabling full screen updates at approximately 30 60 frames per second depending on your microcontroller's processing speed and the complexity of graphics being rendered
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