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Connect a Host Computer Running Mac OS to an EV3 BrickUsing Bluetooth

Bluetooth is a wireless standard for exchanging data over short distances. Some modern PCs and televisions feature Bluetooth technology, allowing them wirelessly to connect to other devices in your home. How to Connect the Kindle Fire to a Computer In this Article: Connecting the Kindle Fire to a Windows Computer Connecting the Kindle Fire to Mac OS X Community Q&A The Kindle Fire can be connected to a computer for the purpose of downloading and transferring content between the devices such as ebooks, videos, photos, and other types of media.

This example shows how to connect the MATLAB^® softwarerunning on a Mac computer to an EV3 brick over a Bluetooth^® connection.

Required hardware: A compatible USB Bluetooth dongle ora host computer with built-in Bluetooth.

Note

For an example that uses Windows^®, see Connect a Host Computer Running Windows to an EV3 Brick Using Bluetooth.

1. On the Mac computer, edit the Bluetooth settings.Enable Bluetooth and make the computer visible to other devices.

2. In the EV3 interface, under settings, select Bluetooth.

3. Enable Bluetooth and Visibility.Then, select the large check mark.

4. Confirm that Bluetooth isenabled.

5. On the Mac computer, add the EV3 brick to thelist of Bluetooth devices.

6. On the EV3 interface, when you see Connect?,select the check mark.

7. On the EV3 interface, read the PASSKEY value(default: 1234) and select the check mark.

   Ignore the underscore character at the end of the passkey value.

8. On the Mac computer, enter the passkey valueas the Bluetooth pairing key.

9. Get the device name of the serial port connectionto the EV3 brick. Open Terminal in Mac OS and enter:

10. In the MATLAB Command Window, use the legoev3 functionto connect to the EV3. Specify the connection type, Bluetooth,and the device name of the serial port connection to the EV3 brick.

Pair a Bluetooth accessory

1. Put your Bluetooth accessory in pairing mode using the instructions that came with it.
2. On your Apple TV, go to Settings > Remotes and Devices > Bluetooth. Your Apple TV will search for nearby Bluetooth accessories.
   
3. Choose your Bluetooth accessory.
4. If asked, enter a four-digit code or PIN. On your Apple TV, your accessory should now appear in My Devices.

Unpair a Bluetooth accessory

On your Apple TV 4K or Apple TV HD, go to Settings > Remotes and Devices > Bluetooth. Select your accessory, then select Unpair Device.

Use a Bluetooth keyboard

After you pair a Bluetooth keyboard, you can use it to sign in to apps, enter text while searching for content, and more.

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• Use the arrow keys to navigate menus or the Home screen.
• Press Return to make selections.
• Press the spacebar to play or pause content.
• Press Escape to go back or exit an app.

Use more than one Bluetooth accessory

Your Apple TV 4K or Apple TV HD can support several Bluetooth accessories simultaneously, up to this many:

• One Siri Remote or Apple TV Remote*
• One Bluetooth keyboard
• Four MFi (Made for iOS) Bluetooth controllers (Unless you also connect a Bluetooth audio accessory. If so, you can connect only one MFi controller).

You might be able to pair more accessories, but at some point you might need to unpair others to allow for new ones. Some apps might let you use an iOS device as an additional controller, which doesn't require Bluetooth. For help using an iOS device as a controller in an app, contact the app developer.

Get help

If a Bluetooth accessory won’t connect to your Apple TV 4K or Apple TV HD or loses connectivity during use, follow these steps. After each step, see if you still need help:

1. Make sure that you're in range of your Apple TV and there isn't interference in the area.
2. Check that your accessory is fully charged and powered on.
3. Make sure that the software on your Bluetooth accessory and your Apple TV is up to date. For example, if you have Beats wireless headphones, check for firmware updates.
4. Move your Apple TV to a different location near your television.
5. Look for your accessory in Settings > Remotes and Devices > Bluetooth. If you see it but you can’t connect to it, use the steps above to unpair your accessory. Then try to pair it again.
6. If you need more help connecting or using a Bluetooth accessory with your Apple TV, contact the manufacturer of the accessory.

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*Apple TV 4K and Apple TV HD ships with the same remote everywhere. In countries and regions that support Siri, the remote is called Siri Remote. Elsewhere, it’s called Apple TV Remote. Siri works on either remote as long as your Apple TV 4K or Apple TV HD is set up with a language and country or region that supports Siri.