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Problem with Ultrasonic I2C

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maiknaef
last edited by

Hello everyone,

I am new to M5Stack.

I have a Core 2 and the Ultrasonic i2c connected to it. Now I have the problem that the value on the Core 2 always shows -1. Am I doing something wrong when setting it up?
Connect, select unit, then insert the blocks, upload code.

Thank you in advance for your help.
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