I have two BMP280 pressure sensors. I tried different example-codes but both sensors are not even recognized on the I2C-bus by a I2C-scanner. So to narrow down the problem I want to check if the I2C-Bus is working like it should.
I have a 2 channel 100 MHz storage-oscilloscope.
So my question is: if I connect my oscilloscope to SDA and SCK and record the communication.
If the sensors I2C-interface is damaged. Can this bee seen as a different signal compared to a working bus on the oscilloscope?
What other things would you check to narrow down the problem?
best regards Stefan