I am trying to read two sensors but I got BSEC error code -34. What does it mean? Where can I find a list of code errors?
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I ran an I2C scan that succesfuly found both sensors at address 0x76 and 0x77.
It is solved. The Arduino Mega 2560 I was using had a previous state saved from one sensor. I used a new fresh board and it works now.