Maxim has created a module for sensing human heart-rate and oxygen saturation that includes photodiodes, an analogue front-end and a Arm Cortex-M4 microcontroller with embedded algorithms, in a thin (0.88mm) 4.5 x 4.1mm 38pin OLGA package. However, it does external component to operate: four LEDs, a multiplexer and an accelerometer chip. “MAXM86146 uses accelerometer data ...

This story continues at Heart rate and oxygen sensor has LEDs and algorithms, in <1mm thickness

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