BME280 data (temperature, air pressure and humidity) displayed on the Waveshare ILI9341 LCD by STM32F767ZI (dev board) bare metal (no HAL) using the CubeIDE.
BME280 and 2.4" LCD
Connections (https://os.mbed.com/platforms/ST-Nucleo-F767ZI/)
| LCD | Port | Function |
|---|---|---|
| VCC | 3,3V | Vcc |
| GND | GND | GND |
| DIN | PA7 | SPI1_MOSI |
| CLK | PA5 | SPI1_CLK |
| CS | PB6 | Chip Select |
| DC | PA0 | Data/Command |
| RST | PB9 | Reset |
| BL | - | Backlight |
| BME280 | Port | Function |
|---|---|---|
| VCC | 3,3V | Vcc |
| GND | GND | GND |
| SCK | PB13 | SPI2_CLK |
| MOSI | PB15 | SPI2_MOSI |
| MISO | PC2 | SPI2_MISO |
| CS | PC0 | Chip Select |
BME280 raw data burst via SPI
Software architecture
Hardware BME280: https://seengreat.com/product/207/bme280-environmental-sensor?srsltid=AfmBOorvlymsT9w0Ea-JBnftBbgADYcXMKpadnPHUyHl7X1wOO5TTgUa
Nucleo-STM32767ZI: https://www.st.com/en/evaluation-tools/nucleo-f767zi.html
Video: https://youtube.com/shorts/LbtwaH8bDvs?si=J_LBT7NFOr57htwr