Changes

'''Top View：'''<br>

'''Bottom View：'''<br>

=== '''Orange Pi 3 LTS interface details''' ===

<br>

== '''Introduction to use the development board''' ==

=== '''Prepare the necessary accessories''' ===

1)TF card, a class 10 or higher high-speed card with a minimum capacity of 8GB, it is recommended to use SanDisk’s TF card. Orange Pi tests all with SanDisk’s TF card. Other brands of TF cards may cause the system to fail to start.<br>

2)TF card reader, used to read and write TF card<br>

3)HDMI to HDMI cable, used to connect the development board to an HDMI monitor or TV for display<br>

<div style="padding-left: 200px">

</div>

5)USB interface mouse and keyboard, as long as it is a standard USB interface mouse and keyboard, the mouse and keyboard can be used to control the Orange Pi development board<br>

6)Infrared remote control, mainly used to control Android system

7)100M or Gigabit network cable, used to connect the development board to the Internet<br>

8)AV video cable, if you want to display video through the CVBS interface instead of the HDMI interface, then you need to connect the development board to the TV through the AV video cable

9)USB to 3.3v TTL module and DuPont cable. When using the debug serial port, USB to TTL module and DuPont cable are required to connect the development board and the computer

10)A personal computer with Ubuntu and Windows operating systems

{| class="wikitable"

1)The download URL is<br>

http://www.orangepi.org/downloadresources/

2)The information mainly contains<br>

c.If the computer only has a TF card inserted, the “Select card” column will display the drive letter of the TF card. If the computer has multiple USB storage devices inserted, you can select the drive letter corresponding to the TF card through the drop-down box<br>

d.Then click '''"Format"''', a warning box will pop up before formatting, and formatting will start after selecting "Yes (Y)"

e.After formatting the TF card, the message shown in the figure below will pop up, click OK<br>

4)Download the Linux operating system image file compression package you want to burn from the Orange Pi data download page, and then use the decompression software to decompress it. In the decompressed file, the file ending with ".img" is the operating system image file. The size is generally above 1GB<br>

5)Use Win32Diskimager to burn Linux image to TF card<br>

c) Finally, click "write" to start burning

c.After the image is written, click the "Exit" button to exit, and then you can pull out the TF card and insert it into the development board to start

=== '''Method of flashing Linux image to TF card based on Ubuntu PC''' ===

https://www.balena.io/etcher/

4)After entering the balenaEtcher download page, please select the Linux version of the software through the drop-down box to download<br>

5)After downloading, use '''unzip ''' to decompress. The decompressed '''balenaEtcher-1.5.109-x64.AppImage''' is the software needed to burn the Linux image

<div style="background:#f1f1f1;border: 1px solid #000;">

c. Finally click Flash to start burning<br>

9)The writing process will prompt the writing speed and remaining time

10)After burning, the following interface will be displayed. At this time, you can unplug the TF card from the computer and insert it into the development board to start.

=== '''Method of flashing Linux image to eMMC''' ===

5)Use decompression software to decompress PhoenixCard v4.1.2.rar, this software does not need to be installed, you can find PhoenixCard in the decompressed folder and open it

6)After opening PhoenixCard, if the TF card is recognized normally, the drive letter and capacity of the TF card will be displayed in the middle list. Please make sure that the displayed drive letter is consistent with the drive letter of the TF card you want to burn. There is no display, you can try to unplug and insert the TF card<br>

7)After confirming the drive letter, format the TF card first, click the restore card button in PhoenixCard, or use the aforementioned '''SD Card Formatter''' to format the TF card<br>

8)Then start to write the Android firmware to the TF card<br>

a. First select the path of Android firmware in the '''"Firmware"''' column<br>

c. Then click the '''"Burn Card"''' button to start burning

9)After burning, the PhoenixCard will be displayed as shown in the figure below. At this time, click the '''close ''' button to exit PhoenixCard, and then you can unplug the TF card from the computer and insert it into the development board to start.

=== '''How to burn Android firmware to eMMC''' ===

5)Use the decompression software to decompress the compressed package of the downloaded Android firmware. In the decompressed file, the file ending with ".img" is the Android firmware<br>

6)Use decompression software to decompress '''PhoenixCard v4.1.2.rar''', this software does not need to be installed, you can find '''PhoenixCard''' in the decompressed folder and open it<br>

7)After opening '''PhoenixCard''', if the TF card is recognized normally, the drive letter and capacity of the TF card will be displayed in the middle list. <span style="color:#ff0000;">Please make sure that the displayed drive letter is consistent with the drive letter of the TF card you want to burn.</span> There is no display, you can try to unplug and insert the TF card

8)After confirming the drive letter, format the TF card first, click the restore card button in PhoenixCard, or use the aforementioned SD Card Formatter to format the TF card

9)Then start to write the Android firmware to the TF card<br>

c. Then click the '''"Burn Card"''' button to start burning

10)After burning, PhoenixCard will display as shown in the figure below. At this time, click the close button to exit PhoenixCard

11)Then insert the TF card into the development board. After powering on the development board, the Android firmware in the TF card will be automatically burned into the eMMC of the development board. During the burning process, the red light on the development board will keep flashing. If the development board is connected to an HDMI display, the progress bar of burning Android firmware to eMMC will be displayed on the HDMI display

12)After the burning is completed, the HDMI display is shown in the figure below, and then the development board will automatically shut down

13)At this time, you can pull out the TF card, then power on again, and the Android system in eMMC will start

=== ''' Debug serial port connection instructions''' ===

1)First, you need to prepare a 3.3v USB to TTL module, and then insert one end of the USB interface of the USB to TTL module into the USB interface of the computer

2)The corresponding relationship between the debug serial port GND, TX and RX pins of the development board is shown in the figure below

3)The GND, TX and RX pins of the USB to TTL module need to be connected to the debug serial port of the development board through a Dupont cable<br>

<div style="padding-left:20px">

</div>

4)The schematic diagram of connecting the USB to TTL module to the computer and the Orange Pi development board is shown below

=== '''How to use the debug serial port on the Ubuntu platform''' ===

1)If the USB to TTL module is connected normally, you can see the corresponding device node name under /dev of Ubuntu PC, remember this node name, you will use it when setting up the serial port software later

</div>

5)After executing the putty command, the following interface will pop up

6)First select the setting interface of the serial port

7)Then set the parameters of the serial port<br>

c. Set Flow control to None

</div>

8)After setting the serial port setting interface, return to the Session interface

<div style="padding-left:20px;">a. First select the Connection type as Serial<br>

b. Then click the Open button to connect to the serial port</div>

9)After starting the development board, you can see the Log information output by the system from the opened serial port terminal

=== ''' How to use the debug serial port on Windows platform''' ===

1)There are many serial debugging software that can be used under Windows, such as SecureCRT, MobaXterm, etc. The following shows how to use MobaXterm. This software has a free version and can be used without purchasing a serial number.<br>

b.After entering the MobaXterm download page, click '''GET XOBATERM NOW!'''

</div>

<div style="padding-left:20px;">

c.Then choose to download the Home version

</div>

<div style="padding-left:20px;">

d.Then select the Portable version, after downloading, you don’t need to install it, just open it and you can use it

</div>

3)After downloading, use the decompression software to decompress the downloaded compressed package, you can get the executable software of MobaXterm, and then double-click to open it

4)After opening the software, the steps to set up the serial port connection are as follows<br>

<div style="padding-left:20px;">

e. Finally click the '''"OK"''' button to complete the setting

</div>

5)After clicking the '''"OK"''' button, you will enter the following interface, and you can see the output information of the serial port when you start the development board.

For more information on using the Orange Pi 3 LTS, please see the [http://localhost:8080/index.php?title=%E6%96%87%E4%BB%B6:Orange_Pi_3_LTS_User_Manual.docx <span style="color:#ff003a;">Orange Pi 3 LTS User Manual</span>]. (Click to download)