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Allow accessing multiple Si7021s for temp and humidity info #322

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ameixler merged 3 commits from master into master 2020-09-15 15:56:29 +01:00
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ameixler commented 2020-05-14 01:50:39 +01:00 (Migrated from github.com)
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The Si7021 uses i2c for data transfer. Some (all?) Si7021s use the same address and is not configurable. The workaround is to re-purpose GPIO pins for i2c use. This prevents using more than one at the same time with the standard octoprint-enclosure plugin.

The resolution is to add the ability to specify an i2c bus number when using affected temperature sensors.

May resolve Issue #285

The Si7021 uses i2c for data transfer. Some (all?) Si7021s use the same address and is not configurable. The workaround is to re-purpose [GPIO pins for i2c use](https://www.instructables.com/id/Raspberry-PI-Multiple-I2c-Devices/). This prevents using more than one at the same time with the standard octoprint-enclosure plugin. The resolution is to add the ability to specify an i2c bus number when using affected temperature sensors. May resolve Issue #285
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Reference: Gandalf/OctoPrint-Enclosure#322
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