DFRobot Gravity Heart Rate Monitor for Arduino - SEN0203 xy The BMP085 offers a measuring

The BMP085 offers a measuring range of 300 to 1100 hPa with an absolute accuracy of down to 0

You can also add buttons

A high quality molded 2

or Teensy 4

DFRobot Gravity Heart Rate Monitor for Arduino - SEN0203 xy The BMP085 offers a measuringAdd Reliable Heart Rate Monitor Sensor For Arduino Gravity Sensing to Your Next Build The DFRobot Heart Rate Sensor is a compact, thumb sized pulse sensor based on PPG (PhotoPlethysmoGraphy) technology. This optical method detects changes in blood volume within the microvascular bed of tissues, making it simple and cost effective for measuring the pulsatile component of the cardiac cycle. You can attach the sensor to your finger, wrist, earlobe, or