Chandrashekar Shetty

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Bengaluru

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                                            Chandrashekar Shetty

Big problem - cannot use this library in any serious project (big pulse delta or showing zero or showing pulse without finger)

I have also seen this issue, its due to light from tubelight or CFL or LED light falling into Senosr.

undefined method `CHST_Read32'

you have to connect serial pins to HST_TX and HST_RX . this will solve the problem