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Heart rate click

MIKROE-2000

31 g

Heart Rate click carries Maxim’s MAX30100 integrated pulse oximetry and heart-rate sensor. It’s an optical sensor that derives its readings from emitting two wavelengths of light from two LEDs...

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$19.00

Quantity Unit Price
5 $18.05
20 $17.10

Heart Rate click carries Maxim’s MAX30100 integrated pulse oximetry and heart-rate sensor. It’s an optical sensor that derives its readings from emitting two wavelengths of light from two LEDs – a red and an infrared one – then measuring the absorbance of pulsing blood through a photodetector. This particular LED color combination is optimized for reading the data through the tip of one’s finger. The signal is processed by a low-noise analog signal processing unit and communicated to the target MCU through the mikroBUS I2C interface. Developers of end-user applications should note that the readings can be negatively impacted by excess motion and changes in temperature. Also, too much pressure can constrict capillary blood flow and therefore diminish the reliability of the data. A programmable INT pin is also available. Uses 3.3V power supply.

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Type Biomedical
Applications Developing algorithms for pulse oximetry and heart rate readings through the tip of a finger
On-board modules Maxim’s MAX30100 integrated pulse oximetry and heart-rate sensor
Key Features Optical sensor: IR and red LED combined with photodetector. Measures absorbance of pulsing blood
Key Benefits Motion artefact resillence. Ambient light cancellation
Interface GPIO,I2C
Input Voltage 3.3V
Compatibility mikroBUS
Click board size M (42.9 x 25.4 mm)

Microcontrollers have a Heart too - MikroElektronika Learn

Heart rate sensors are an interesting way to use IR LEDs (Infared Light-Emitting Diodes) and photo diodes to find a hearts' pulse. Amazingly, the intensity of light received through the photo diode is actually different depending on how much blood is in your arteries.

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