3Pcs MAX30102 Heartbeat Frequency Tester Heart Rate Sensor Module Puls Detection Blood Oxygen Concentration Test Geekcre

Features The MAX30102 is an integrated pulse oximeter and heart rate monitor bio sensor module It integrates a red LED and an infrared LED photo detector optical components and low noise electronic circuitry with ambient light suppression The MAX30102 features a 1 8V power supply and a separate 5 0V power supply for internal LEDs for heart rate and blood oxygen acquisition in wearable devices worn on the fingers earlobe and wrist The standard I2C compatible communication interface can transmit the collected values to the KL25Z and other micro controllers for heart rate and blood oxygen calculation In addition the chip can also shut down the module through software the standby current is close to zero and the power supply is always maintained Because of its excellent performance the chip is widely used in the Samsung Galaxy S series mobile phones Compared with the previous generation MAX30100 the chip integrates a glass cover to effectively eliminate external and internal light interference and has the best reliable performance The Main Parameters LED peak wavelength 660nm 880nmLED power supply voltage 3 3 5VDetection signal type light reflection signal PPG Output signal interface I2C interfaceCommunication interface voltage 1 8 3 3V 5V optional Board reserved assembly hole size 0 5 x 8 5mm Pin Description VIN main power input terminal 1 8 5V3 bit pad Select the pull up level of the bus depending on the pin master voltage select 1 8v