![Just found out that the heart rate sensor has more then just the red LED,it has blue and green too,found out in the test menu : r/GalaxyNote9 Just found out that the heart rate sensor has more then just the red LED,it has blue and green too,found out in the test menu : r/GalaxyNote9](https://i.redd.it/tjt9xnhct9nb1.jpg)
Just found out that the heart rate sensor has more then just the red LED,it has blue and green too,found out in the test menu : r/GalaxyNote9
![Green Easy Pulse Sensor Heart Beat Sensor HRM2511E at Rs 600/piece | Sensors For Medical Industry in Bengaluru | ID: 24542652648 Green Easy Pulse Sensor Heart Beat Sensor HRM2511E at Rs 600/piece | Sensors For Medical Industry in Bengaluru | ID: 24542652648](http://5.imimg.com/data5/SELLER/Default/2022/1/RX/EM/BJ/2311786/https-www-graylogix-in-product-green-easy-pulse-sensor-heart-beat-sensor-hrm2511e-500x500.jpg)
Green Easy Pulse Sensor Heart Beat Sensor HRM2511E at Rs 600/piece | Sensors For Medical Industry in Bengaluru | ID: 24542652648
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Red Light versus Green Light. The Future of Optical Sensing in… | by BSX Technologies | bsxtechnologies | Medium
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