Gravity: PPG Heart Rate Monitor Sensor for Arduino (Analog/Digital) Category_Grove (Arduino)/Grove Gas the top picture on the

the top picture on the right shows a shorter-range Sharp analog distance sensor with one of these cables

* I2C Interface (I2C Address: 0x39)

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Perfect for when you don't want to give up your expensive dev-board and you aren't willing to take apart the project you worked so hard to design

You can then read that data with an app on your smartphone at any time

Gravity: PPG Heart Rate Monitor Sensor for Arduino (Analog/Digital) Category_Grove (Arduino)/Grove Gas the top picture on theThe DFRobot heart rate sensor is a thumb sized heart rate monitor designed for Arduino microcontrollers . This heart rate monitor sensor is a pulse sensor which is developed based on PPG techniques. This is a simple and low cost optical technique that can be used to detect blood volume changing in the microvascular bed of tissues. It is relatively easy to detect the pulsatile component of the cardiac cycle according to this theory. The sensor has two