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7V 300mAh Lipo Battery 3
Firmware upgrades via UART
ground or earth is the reference point in an electrical circuit from which voltages are measured
4-bit Magnitude Comparator IC - 74HC85
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MAX30100 Pulse Oximeter Heart Rate Sensor Module (Pack of 25) ph sensor kit 7V 300mAh Lipo Battery 3MAX30100 Pulse Oximeter Heart Rate Sensor Module MAX30100 Pulse Oximeter Heart Rate Sensor Module is an integrated pulse oximeter and heart rate monitor sensor solution. Its 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 colour combination is optimized for reading the data through the