I connected the pin of the bmp280 sensor like this:
VCC-->3,3V
GND-->GND
SCL-->12
SDA-->11
SDO-->GND
Those aren't I2C pins on a Uno, which are A4 (SDA) and A5 (SCL). Also duplicated next to the reset button.
I connected the pin of the bmp280 sensor like this:
VCC-->3,3V
GND-->GND
SCL-->12
SDA-->11
SDO-->GND
Those aren't I2C pins on a Uno, which are A4 (SDA) and A5 (SCL). Also duplicated next to the reset button.