RunCam WiFiLink 2 Installation and User Guide

Antenna Installation

When installing the WiFiLink 2 on an aircraft, pay attention to the following:

• Antenna Layout: Ensure the two tail antennas are fully spread apart to avoid entanglement and reduce signal interference.
• Antenna Orientation: Point the antennas upward to avoid obstructions from the fuselage or battery, ensuring optimal signal performance.

Proper antenna placement is crucial for signal integrity.

6PIN Power Cable Connection

Connect the 6PIN power cable to the flight controller's DJI 6PIN interface. The pinout is as follows:

• Red Wire: 9V ⚡
• Black Wire: GND ?
• White Wire: RX ➡️
• Grey Wire: TX ⬅️
• Black Wire: NC ❌
• Yellow Wire: NC ❌

Ensure correct wiring to avoid damage.

Install the APP

Download the PixelPilot application from:

https://github.com/OpenIPC/PixelPilot/releases

Set Parameters

Configure the system by setting the Channel to 161 and the Video Codec to h265. The application interface displays the current settings.

Auxiliary Tools Links

• OTG Cable Reference Link: https://item.jd.com/10087520840342.html#crumb-wrap
• 8812AU Wireless Adapter Reference Link: https://item.taobao.com/item.htm?id=597898122636

How to Flash WiFiLink 2

Follow these steps to update the firmware:

1. Prepare Files: Copy WiFiLink-part0.bin and WiFiLink-part1.bin to the root directory of an empty SD card ?.
2. Upgrade Steps: Insert the SD card into the camera mainboard and power it on. The camera will enter upgrade mode, indicated by a flashing green light (approx. 15 seconds). After the upgrade (approx. 1 minute), the green light will turn off, and the SD card will be cleared. Upon re-powering, new configuration files (gs.key and user) will be generated.

Card Flashing File Address: https://www.runcam.com/download/runcamwifilink2

How to Obtain Configuration Files

Insert an empty SD card ? into the camera and power it on. The configuration files will be generated automatically.

How to Set Parameters

It is recommended to use a text editor like Notepad++ ? to edit the user file. The following parameters can be modified:

• Channel
• ResolutionRatio
• Mirror
• Rotate
• Hue
• Luminance
• Codec
• Bitrate
• Flip
• Contrast
• Saturation
• ... (and others)

How to Use the Ethernet Port

Default Settings ⚙️:

• IP Address: 192.168.1.10 ?
• Username: root ?
• Password: 12345 ?

How to Use with a PC Ground Station

Program Download: https://github.com/OpenIPC/fpv4win/releases

Follow these steps:

1. Step One: Insert the 8812AU wireless adapter into the computer and reconfigure the driver using the Zadig program. Select the correct device (e.g., RTL8812AU) and install the WinUSB driver. Note the USB ID (e.g., OBDA:8812).
2. Step Two: Double-click the fpv4win program. Select the network card, Channel, and Codec, then click START to use the system.

How to Use with Radxa ZERO 3W

Visit https://support.runcam.com/hc/en-us for detailed guidance.

Contact the RunCam technical support team for further assistance.

What to Do if There Is No Display

Check if the power supply is normal and verify that the Channel and Codec settings are correct.

What to Do if FC OSD Information Is Missing

1. Check Configuration: Verify that the configuration settings are correct. The three parameters for serial ports should typically be: 115 (corresponding to 115200 baud), 0, 1, or 2 (corresponding to Mavlink1 or 2).
2. Check the Serial Port: Confirm that the FC serial port data is normal and available, and the wiring is correct, with TX and RX cross-connected ↔️.