MAX30102-0.96_4pin_oled-esp8266_HR_and_SPO2

use max30102 ,0.96'4pin oled and esp8266 to measure heart rate and blood oxygen concentration

• ESP8266 --- OLED

•  GND   ---  GND
  

•  5V    ---  VCC
  

•  D1    ---  SCL
  

•  D2    ---  SDA
  

  ESP8266 --- MAX30102

•  5V    ---  VIN
  

•  G     ---  GND
  

•  D0    ---  INT
  

•  D1    ---  SCL
  

•  D2    ---  SDA