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82 lines
2.2 KiB
HTML
82 lines
2.2 KiB
HTML
Using the EV3 Brick
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===================
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Make sure the EV3 Brick is turned off. Insert the microSD card you prepared
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into the microSD card slot on the EV3 Brick, as shown in :numref:`fig_sd`.
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.. _fig_sd:
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.. figure:: ../api/images/sd_label.png
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:width: 75 %
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:alt: sd
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:align: center
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Inserting the flashed microSD card into the EV3 Brick
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Turning the EV3 Brick on and off
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-----------------------------------------------------------
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Turn on the EV3 Brick by pressing the dark gray center button.
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The boot process may take several minutes. While booting, the EV3 Brick status
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light turns orange and blinks intermittently, and you'll see a lot of text on
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the EV3 screen. The EV3 Brick is ready for use when the status light turns
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green.
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To turn the EV3 Brick off, open the shutdown menu with the back button, and
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then select *Power Off* using the center button, as shown
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in :numref:`fig_onoff`.
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.. _fig_onoff:
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.. figure:: ../api/images/onoff_label.png
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:width: 65 %
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:alt: onoff
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:align: center
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Turning the EV3 Brick off
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Viewing motor and sensor values
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-----------------------------------------------------------
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When you're not running a program, you can view motor and sensor values using
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the device browser, as shown in :numref:`fig_devicebrowser`.
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.. _fig_devicebrowser:
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.. figure:: ../api/images/devicebrowser_label.png
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:width: 100 %
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:alt: devicebrowser
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:align: center
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Viewing motor and sensor values
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Running a program without a computer
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-----------------------------------------------------------
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You can run previously downloaded programs directly from the EV3 Brick.
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To do so, find the program using the *file browser* on the EV3 screen and press
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the center button key to start the program as shown in :numref:`fig_manualrun`.
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.. _fig_manualrun:
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.. figure:: ../api/images/manualrun_label.png
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:width: 100 %
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:alt: manualrun
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:align: center
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Starting a program using the buttons on the EV3 Brick
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Going back to the original firmware
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-----------------------------------------------------------
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You can go back to the LEGO® firmware and your LEGO programs at any time. To
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do so:
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1. Turn the EV3 Brick off as shown above.
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2. Wait for the screen and brick status light to turn off.
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3. Remove the microSD card.
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4. Turn the EV3 on.
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