I pulled out a heart rate sensor that was used with a sports watch. However connecting it to the Arduino is not as easy as plugging in the TMP36 into a breadboard. The sensor was used as a waist wrap and it send data to the watch using RF. I took some pictures to show you how the sensor looks like.…

heart rate sensor interface to Arduino Uno

Topic		Replies	Views
interfacing to off the shelf heart rate sensors Interfacing	3	1056	May 6, 2021
Heart rate monitor Sensor? Interfacing	8	4358	May 6, 2021
Heart Beat Sensor HELP!! Sensors	2	1381	May 6, 2021
Heart Rate Monitor? Interfacing	2	1098	May 6, 2021
Detecting heart rate monitors Interfacing	5	1763	May 6, 2021