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Discovery of sensors on DS2409 MicroLan (#15817)
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@ -50,6 +50,13 @@ Each 1-wire component data sheet describes the different properties the componen
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| 12 | [DS2406](https://datasheets.maximintegrated.com/en/ds/DS2406.pdf) | 2 latches (latch.A/B) and 2 PIOs (PIO.A/B) <sup>[4](#note_4)</sup> |
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| 29 | [DS2408](https://datasheets.maximintegrated.com/en/ds/DS2408.pdf) | 8 latches (latch.0-7) and 8 PIOs (PIO.0/7) <sup>[4](#note_4)</sup> |
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#### Bridges:
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| Family | Device | Physical Quantity |
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| -------|:-----|:-----|
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| 1F | [DS2409](https://datasheets.maximintegrated.com/en/ds/DS2409.pdf) | None <sup>[5](#note_5)</sup>
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Notes:
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- <a name="note_1">The TAI-8570</a> Pressure Sensor is based on a 1-wire composite device by AAG Electronica. It contains, above 1-wire components, also a barometer, hygrometer and illuminance sensors. This onewire platform can read and present values from that device, but the sensors will default to disabled <sup>[4](#note_4)</sup>.
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@ -61,6 +68,8 @@ Notes:
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- <a name="note_4">Some sensors are disabled by default</a> to avoid overloading the bus. These can be activated by opening the integrations page in your configuration, listing your 1-Wire integration devices and updating the entity.
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- <a name="note_5">Bridge devices have no sensors</a>. The `aux` and `main` branches are searched for additional 1-wire devices during discovery.
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## Interfacing with the 1-wire bus
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The 1-Wire bus can be connected directly to the IO pins of Raspberry Pi or by using a dedicated interface adapter, for example
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@ -130,7 +139,7 @@ sensor:
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### Entities and attributes
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Upon startup of the platform, the 1-wire bus is searched for available 1-wire devices. For each device that this platform handles (see list of supported devices above), the platform adds one sensor for each physical quantity it measures. The name of the sensor is the device ID with the physical quantity it measures appended.
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Upon startup of the platform, the 1-wire bus is searched for available 1-wire devices. On Bridge devices, the `aux` and `main` branches are recursively searched. For each device that this platform handles (see list of supported devices above), the platform adds one sensor for each physical quantity it measures. The name of the sensor is the device ID with the physical quantity it measures appended. Unsupported sensors are noted with a warning message in the log.
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`sensor.28.FF5C68521604_temperature`
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