HEART-RAT-STM32-ST7789-SPI-TFT-STM32F103-GY-MAX30102 RCG HEART RAT STM32 ST7789 SPI TFT STM32F103 GY-MAX30102 I2C https://www.youtube.com/watch?v=JSRieVoE13s THANK YOU https://github.com/miniwinwm/BluePillDemo/tree/master/BluePillDemo_I2C_MAX30102_Pulse_Oximeter_LCD FOR CODE