This sensor is used to measure heart rate
It contains the optical amplifier circuit and the heart rate sensor with noise elimination circuit
It can be used on the finger or the ear lobe
It can be used to develop a related interactive work with heart rate, for example in games
Not a product for medical use
Board diameter: 16mm
Board thickness: 1.6mm (common PCB thickness)
LED peak wavelength: 515nm
Supply voltage: 3.3v or 5v
Output signal type: analog signal
Output signal size: 0~3.3v (3.3v power supply) or 0~5v (5v power supply)
Current size: ~4ma (5V)