30Bar pressure sensor - Arduino

Blue Robotics Products Sensors
1

Hi,

I am trying to collect setup the Bar30 Depth/Pressure Sensor with an arduino uno, I already have an LLC (Same as this one: 5Pcs Two Channel IIC I2C L0gic Level Converter Bi-Directional Module Sale - Banggood USA-arrival notice-arrival notice), Is it possible to use this as the 5V<->3.3V converter for the Pressure sensor. When I use the example “MS5837_Example” is gives the following output:
“”
Init failed!
Are SDA/SCL connected correctly?
Blue Robotics Bar30: White=SDA, Green=SCL
“”
So it seems like, that pressure sensor cannot be found.

2

Hi @Obert94

This looks like a mislabeled product. The labels imply it is actually Serial and no I2C.
Since in I2C the communication is bidirectional, I don’t expect this to work.

3

That was my consern too, so I will try with an I2C LLC which says SDA SCL on both side off the converter instead
Thanks :+1:t3:

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4

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