USB will not recognize board...no lights....nothing
Initially worked. Was going back and forth between install and configuration to get the OSD the way I liked and simply quit working. Computer acknowledges that something was plugged in but says that the device malfunctioned. Everything on the board looks normal. Any idea what could have gone bad?
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Yeah thanks but tried all of that. Problem is any computer I plug it into all say the that device malfunctioned and Windows does not recognize it. The board is dead. Was hoping to see if anyone had the method to try and communicate with the board through the isp headers. Board is dead when plugged into the pixhawk as well so I really don't think there is any hope for fixing it. Any known components that are user serviceable and cause this problem.
Have you installed the driver for the OSD board? Please refer to the wiki to install the driver on Windows.
Thanks for the reply. My pixhawk connects fine. Not the driver. Message states the device malfunctioned. Tried to short 4/5 and power through the data pin connections but still not even a blink of a light. This board is dead. It's a shame because I am not a fan of minimum osd and thought this would be a great alternative.
Does LEDs on-board work when connects the OSD board to pixhawk(power on) with serial cable? Because there is a power supply from serial cable.
If so, we can know the MCU is ok and working. It may be the USB interface issue.
No lights either way. Might as well be plugging in a brick.
Can you do some test to find out which IC burned out? It rarely happened.
If you wish, you can send your board back. We will try to fix it or return a new board to you.
Appreciate the support. The only pieces I recognize and could test were a couple of the LV regulators. They were pushing 3.3v and 1.5v so the board is getting power. I bought the board from Banggood but not interested in 2 months plus shipping back to them....especially for $35. Where would it go if I sent back to you for repair/replacement.
Thank you. We will handle this and try to find if this is a design fault which can be improved in the future. I have sent a private message including our address.
I have the same problem. I worked few minutes but when I added camera, it stopped working. No lights, no life. I coupled all GNDs together, but was that the reason of frying the OSD?
maciek_252 - FPV and open source fan
Start with measuring the power supply voltage, it should be 3.3V. Sometimes the stabilizer needs to be replaced. Then check if you can upload programs, maybe reflash the bootloader etc.
but was that the reason of frying the OSD?
How about powering the board from USB? From the serial port?
Judging from my experiences, the board is quite resilient. Maybe not that much as MinimOSD (which is the most tolerant device in my FPV toolset).
Took longer to get my hands on this.
I checked the voltage from U3 VOut and had 3.25V when connected to USB.
Still no life on OSD. When connecting OSD to USB, windows informs that the device connected to USB is malfunctioning.
Do you have any documentation about how to reflash the bootloader, meaning for non-developer?