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Distance Sensor issue

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Post time 2018-12-21 06:32:57 | Show all posts |Read mode
Connecting the distance sensor and LED per Lesson 38 of the Ultimate sensor kit PDF. getting the following error:
", line 87, in expanderWrite
    self.bus.write_byte_data(self.addr, 0, data|self.data_mask)
IOError: [Errno 121] Remote I/O error

Any help would be greatly appreciated.
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 Author| Post time 2018-12-21 06:54:55 | Show all posts
Also the i2c interface is enabled and I'm getting back /dev/i2c-1 - all connections seem to be correct.
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