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DJI Spark / RC / GO 4 / iPhone / Goggles connection topology
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<blockquote data-quote="lannes" data-source="post: 24060" data-attributes="member: 1376"><p>Question 1 - you will see the major telemetry data, but usually you set up the other parameters first before connecting the goggles, I found the touch pad difficult to use with the menus.</p><p></p><p>In question 2 - OTG turns off the wi-fi function, so you can't use the wi-fi to connect the iphone and have the goggles connected at the same time. </p><p></p><p>To connect a phone/ tablet as well as the googles, you will need to experiment with connecting the phone via OTG to the RC and then the goggles to the phone via usb/hdmi. </p><p>The issue I had was supplying power to the hdmi/ usb connector, which was messy. I'm not sure about the latency in this arrangement, as I sent my googles back due to lack of focus adjustment (which is now available with different lens inserts).</p><p></p><p>One point to note is the display in the goggles from the Spark is 720p per eye as opposed to 1080p, only the Mavic through Occusync will provide 1080p to the goggles.</p><p></p><p>Not trying to disuade your purchasing decision, but I stayed with my Epson BT-300 moverio for the FPV (720P) experience, it can be VLOS and fully blacked out using the Rochester optical Solitaire Ace enclosure. With the Epson you see the entire DJI Go4 or Litchi app and can easily change all the parameters via the touch pad.</p><p>It doesn't have head control as you do with the DJI goggles, but it is much simpler to take photos and initiate video.</p><p>You will still have the problem with hdmi output, but I have used screen share to connect the BT-300 to a android tablet, so another screen can be used</p></blockquote><p></p>
[QUOTE="lannes, post: 24060, member: 1376"] Question 1 - you will see the major telemetry data, but usually you set up the other parameters first before connecting the goggles, I found the touch pad difficult to use with the menus. In question 2 - OTG turns off the wi-fi function, so you can't use the wi-fi to connect the iphone and have the goggles connected at the same time. To connect a phone/ tablet as well as the googles, you will need to experiment with connecting the phone via OTG to the RC and then the goggles to the phone via usb/hdmi. The issue I had was supplying power to the hdmi/ usb connector, which was messy. I'm not sure about the latency in this arrangement, as I sent my googles back due to lack of focus adjustment (which is now available with different lens inserts). One point to note is the display in the goggles from the Spark is 720p per eye as opposed to 1080p, only the Mavic through Occusync will provide 1080p to the goggles. Not trying to disuade your purchasing decision, but I stayed with my Epson BT-300 moverio for the FPV (720P) experience, it can be VLOS and fully blacked out using the Rochester optical Solitaire Ace enclosure. With the Epson you see the entire DJI Go4 or Litchi app and can easily change all the parameters via the touch pad. It doesn't have head control as you do with the DJI goggles, but it is much simpler to take photos and initiate video. You will still have the problem with hdmi output, but I have used screen share to connect the BT-300 to a android tablet, so another screen can be used [/QUOTE]
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DJI Spark / RC / GO 4 / iPhone / Goggles connection topology