Description
Product description Parameters: LED peak wavelength: 660nm/880nm LED power supply voltage: 3.3~5v Detection Signal Type: Optical Reflection Signal (PPG) Output Signal Interface: I2C Interface Communication Interface Voltage: 1.8 ~ 5V Interface: VIN: Main power input, 1.8V-2.5V 3-bit pad: I2C bus pull up level, you can choose 1.8V or 3.3V according to the pin master voltage. SCL: I2C bus clock SDA: connected to the I2C bus data INT: MAX chip interrupt pin RD: MAX30102 chip’s RD LED grounding terminal, generally doesn’t need to connect IRD: MAX30102 chip’s IR LED grounding terminal, generally doesn’t need to connect GND: grounding wire OLED Display Module Specifications: Driver IC: SSD1306 Size: 0.91 inch OLED Resolution: 128 x 32 Size: 38 * 12 mm Interface Type: IIC interface Display Color: White Pin Description: GND: Power Ground VCC: Power + (DC 3.3 ~5v) Operating temperature:-40 ~ 85 ℃ SCL: Clock Line SDA: Data Line Package Include: 2 x MAX30102 Heart-Rate Sensor Module 1 x pin header kit 1 x 20PIN male and female DuPont cable