<li>TF card reader, used to read and write TF card</li></ol>

<li>Micro HDMI to HDMI cable, used to connect the development board to an HDMI monitor or TV for display</li></ol>

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note, please do not use the relatively wide Micro HDMI adapter as shown in the figure below, because the distance between the Micro HDMI interface of the development board and the Type-C power interface is relatively small, it may cause that the two cannot be inserted into the development board at the same time. plate.'''</big>

<li>Power supply, if you have a 5V/2A or 5V/3A power head, you only need to prepare a USB-to-Type C interface data cable as shown in the picture on the left below, and you can also use a cable similar to the picture on the right below A 5V/2A or 5V/3A high-quality USB Typc C interface power adapter integrated with the power head.</li></ol>

<li>The physical object of the expansion board is as follows</li></ol></li></ol>

<li>The way to insert the expansion board into the development board is as follows, remember not to insert it backwards</li></ol>

<li>The 13pin pin header on the Orange Pi Zero 3 development board can be connected to the expansion board to expand the functions that are not on the development board. The functions that the expansion board can use are as follows</li></ol>

{| class="wikitable" style="width:800px;"

<li>The schematic diagram of the 13pin header of the Orange Pi Zero 3 development board is shown below</li></ol>

<li><p>Infrared remote control, mainly used to control Android TV system</p></li></ol>

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that the remote control of the air conditioner or the remote control of the TV cannot control the Orange Pi development board. By default, only the remote control provided by Orange Pi can.'''</big>|}</ol>

<li><p>AV video cable, if you want to display video through the AV interface instead of the HDMI interface, then you need to connect the development board to the TV through the AV video cable</p></li></ol>

<li>Heat sink, if you are worried that the temperature of the development board is too high, you can add a heat sink, and the heat sink can be pasted on the H618 chip</li></ol>

<li>5V cooling fan, as shown in the figure below, both 5V and GND pins on the 26pin and 13pin interfaces of the development board can be connected to the cooling fan. The spacing between the 26pin and 13pin headers is 2.54mm. Refer to this Specifications can be purchased.</li></ol>

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that the 5V pin can be used directly after the development board is plugged in without other settings, and the output voltage of the 5V pin cannot be adjusted or turned off by software.'''</big>|}

<li><p>USB to TTL module and DuPont line, when using the serial port debugging function, need USB to TTL module and DuPont line to connect the development board and computer</p></li></ol>

{| class="wikitable" style="background-color:#ffffdc;width:800px;" |-| <big>'''Note that the TTL level used by the development board is 3.3v. In addition to the USB to TTL module shown in the above figure, other similar 3.3v USB to TTL modules are generally available.'''</big>|}</ol>

<li>X64 computer with Ubuntu and Windows operating systems installed</li></ol>

{| class="wikitable" style="width:800px;"