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Review/Edit components starting with the letter A (#3220)

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Franck Nijhof 2017-08-22 13:06:01 +02:00 • committed by Fredrik Lindqvist
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@ -14,13 +14,13 @@ ha_release: pre 0.7
ha_iot_class: "Local Polling"
---
The [Arduino](https://www.arduino.cc/) device family are microcontroller boards that are often based on the ATmega328 chip. They come with digital input/output pins (some can be used as PWM outputs), analog inputs, and a USB connection. The equipment depends on the [type](https://www.arduino.cc/en/Main/Products) of board. The most common ones are the Arduino Uno and the Arduino Leonardo with 14 digital input/output pins and 6 analog input pins.
The [Arduino](https://www.arduino.cc/) device family are microcontroller boards that are often based on the ATmega328 chip. They come with digital input/output pins (some can be used as PWM outputs), analog inputs, and a USB connection. The equipment depends on the [type](https://www.arduino.cc/en/Main/Products) of the board. The most common ones are the Arduino Uno and the Arduino Leonardo with 14 digital input/output pins and 6 analog input pins.
There are a lot of extensions (so called [shields](https://www.arduino.cc/en/Main/ArduinoShields)) available. Those shields can be plugged-in into the existing connectors and stacked on top of each other. This makes it possible to expand the capabilities of the Arduino boards.
There are a lot of extensions (so-called [shields](https://www.arduino.cc/en/Main/ArduinoShields)) available. Those shields can be plugged-in into the existing connectors and stacked on top of each other. This makes it possible to expand the capabilities of the Arduino boards.
The `arduino` component is designed to let you use a directly attached board to your Home Assistant host over USB.
You need to have the [Firmata firmware](https://github.com/firmata/) on your board. Please upload the `StandardFirmata` sketch to your board, please refer to the [Arduino documentation](https://www.arduino.cc/en/Main/Howto) for further information.
You need to have the [Firmata firmware](https://github.com/firmata/) on your board. Please upload the `StandardFirmata` sketch to your board; please refer to the [Arduino documentation](https://www.arduino.cc/en/Main/Howto) for further information.
To integrate an Arduino boards with Home Assistant, add the following section to your `configuration.yaml` file:
@ -32,7 +32,7 @@ arduino:
Configuration variables:
- **port** (*Required*): The port where your board is connected to your Home Assistant host. If you are using an original Arduino the port will be named `ttyACM*` otherwise `ttyUSB*`.
- **port** (*Required*): The port where your board is connected to your Home Assistant host. If you are using an original Arduino, the port will be named `ttyACM*` otherwise `ttyUSB*`.
The exact number can be determined with the command shown below.
@ -40,7 +40,7 @@ The exact number can be determined with the command shown below.
$ ls /dev/ttyACM*
```
If that's not working, check your `dmesg` or `journalctl -f` output. Keep in mind that Arduino clones are often using a different name for the port (eg. `/dev/ttyUSB*`).
If that's not working, check your `dmesg` or `journalctl -f` output. Keep in mind that Arduino clones are often using a different name for the port (e.g. `/dev/ttyUSB*`).
<p class='note warning'>
A word of caution: The Arduino boards are not storing states. This means that with every initialization the pins are set to off/low.