HELP! FlywooF405s fc usb device not recognized.

tylcnky

New member
Hello. I have a Flywoo Firefly 1S Nano Baby V2 drone. While setting up the device in Betaflight, the connection suddenly dropped, and I can't reconnect. When I plug in the USB cable, it says the USB device is faulty and cannot be recognized. Can you help me resolve this issue? Flight control: f405s_aio
 

Merv

Moderator
Moderator
I'm no expert but I've had good results using ImpulseRC Driver Fixer to fix problems like yours.

Here is a video with more info
 

tylcnky

New member
According to my research, the F405oe6 chip next to the diode I marked as faulty in the additional photo is a chip related to the STM32. If I'm not mistaken, it's a driver board required for the STM32 USB connection. So, since I can't establish a USB connection, the possibility of the diode I marked being faulty increases. In the second video I sent you the YouTube link to, when I measure it with a digital multimeter, I hear a beep indicating a short circuit. How can I replace this diode? What diode value should I use? Could you provide some information on this?


https://ibb.co/ymWshpKR
 

Merv

Moderator
Moderator
...How can I replace this diode?...
I have no idea. But I highly doubt this is your issue.
I have had similar difficulties, the FC quits being recognized by windows.
For me, the Impulse Driver OR a different USB cable has always fixed the problem.
If you are not getting the USB sound when you plug it in, your problem is a driver or a cable.

Unless you are an electronics expert, poking around the FC is a good way to fry it. With some tests, multimeters apply a voltage. If the voltage is to high or wrong polarity, it can damage what you are testing.
 
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