General info All my projects use STM32STM32F103RB. Projects 01 STM32STM32F103RB + LCD 16x2 + BMP280 (using I2C from STM32STM32F103RB). 02 STM32STM32F103RB + TFT LCD 2,8 + BMP (using I2C and 2x SPI from STM32STM32F103RB).