• MAX30102 heart rate sensor module for pulse and blood oxygen detection. • Integrates a red LED, an infrared LED, a photodetector, and optical equipment. • Standard I2C communication interface compatible with microcontrollers. • LED power supply voltage from 3,3 V to 5 V. • Low noise electronic circuit with ambient light suppression. • Low power consumption with near-zero standby current through software shutdown. • Applicable to wearable devices for data collection on fingers, earlobes, or wrists. • The package includes 2 sensor modules and 2 sets of pin headers.