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45 lines
1.5 KiB
Markdown
45 lines
1.5 KiB
Markdown
---
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layout: page
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title: "Arduino Switch"
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description: "Instructions how to integrate Arduino boards pins as switches within Home Assistant."
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date: 2015-09-14 18:28
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sidebar: true
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comments: false
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sharing: true
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footer: true
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logo: arduino.png
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ha_category: DIY
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ha_release: pre 0.7
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ha_iot_class: "Local Polling"
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---
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The `arduino` switch platform allows you to control the digital pins of your [Arduino](https://www.arduino.cc/) board. Support for switching pins is limited to high/on and low/off of the digital pins. PWM (pin 3, 5, 6, 9, 10, and 11 on an Arduino Uno) is not supported yet.
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To enable the Arduino pins with Home Assistant, add the following section to your `configuration.yaml` file:
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```yaml
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# Example configuration.yaml entry
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switch:
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platform: arduino
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pins:
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11:
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name: Fan Office
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12:
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name: Light Desk
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type: digital
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initial: true
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negate: true
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```
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Configuration variables:
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- **pins** array (*Required*): List of pins to use.
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- **[number]** (*Required*): The pin number that corresponds with the pin numbering schema of your board.
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- **name** (*Required*): Name that will be used in the frontend for the pin.
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- **initial** (*Optional*): The initial value for this port. Defaults to `False` .
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- **negate** (*Optional*): If this pin should be inverted. Defaults to `False`.
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The digital pins are numbered from 0 to 13 on a Arduino UNO. The available pins are 2 till 13. For testing purposes you can use pin 13 because with that pin you can control the internal LED.
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