White Ox
lvl.3
Flight distance : 98281 ft
United States
Offline
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I was hoping it would work - I have a similar scenario happening with my Nexus 7 2013 and a Spark Controller - once it's down to 50% battery on the RC, it starts the connect/disconnect loop. I got past it a little bit differently as a spark controller only has one usb port, but the principle is still the same.
Here's my hunch... we all know that with android devices, the host TRIES to charge the slave, the controller is the Host, the Slave is the tablet / phone. And as we all know, the RC tries to charge the Phone / Tablet. This isn't the scenario with the IOS devices, I don't believe. I'm guessing that these upper end devices have some sort of FAST charge enabled and they are drawing too much juice through the USB port, and for whatever reason, whether it be the controller's own voltage is dipping, or it's a current flow overload to the usb port, the controller disconnects from it.
DJI NEEDS TO FIX THIS. I just tested my remote, and the usb port is NOT connected diretly to the battery when the RC is off, so there is some sort of circuitry disabling power flow to it, and thus, maybe they can reduce the voltage so low that it can't charge, but the phone/tablet can still tell it's connected to the host.....DJI, are you listening? This simple issue of charging the slave device is LIKELY why so many devices are deemed "non-compatible".... which is a complete and utter shame.
I'll have to try your method of powering the usb port only long enough to get a solid connection, then removing the external power source and see if it works for the spark controller that way. The down side of that method is, IF for whatever reason you loose connection during flight, you'll need to re-apply the external power source to regain connection, or you'll be stuck in the connect/disconnect loop all over again.
Next question..... Kmohib, when your Pixel 3 was doing it's connect/disconnect loop, was your RC 100% charged, or was it partially discharged?
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