Hello I have had a jetson Nano for months now, that I have previously always powered through the micro USB port. Recently I switched to powering the rails, using a 6A 5V BEC for a drone. I ssh’ed into the Nano using a USB WiFI dongle that we have for Raspberry Pi applications, a MediaTek 802.11 n W…

Not sure why it is fried, it looks like USB dongle make it happen. You will see it is normal with other USB device. Before sw work on this, it should be guaranteed no such overheat problem. Better to check the datasheet of dongle or check with vendor for possible root cause.

Hi, which port are you using? USB2.0 or USB3.0 port? It looks like something burnt as some power rail possibly shorted to ground. You can use multi-meter to check if any components shorted to ground.

Hello I used the exposed USB 3 ports on the newer Rev 3. According to this document from sparkfun, p.3 the newer version only has USB 3. The Nano is not burnt and works, even with the same WiFi dongle (required for SSH access at this point), however, I cannot run my experiments out of fear it will …

You can get the part number of connector by checking devkit user guide: https://developer.nvidia.com/embedded/dlc/Jetson_Nano_Developer_Kit_User_Guide If it is extreme hot, there might be something shorted to ground, you can use multi-meter to check first.

The USB dongle was always connected to either J33 or J32, if that is what you are referring to. Is any of them preferred? On the one that was fried I get a resistance of about 8 Ohm between pin 2 (5V) and pin 6 (GND) on the J41 Header. That does not seem right to me… Or is it that low? 6 (GND) to …

Looking at the docs I found that the output current for the USB ports is limited to 1A. Could the higher power through the rails or the barrel connector be an issue there? I have ordered an Edimax EW-7611ULB N150 Wi-Fi dongle, because Sparkfun used it in this tutorial and I might hope that to be mo…

The fried board seems that it is broken by shorting power rail to ground. The load switch to vbus of J32 and J33 is TPS259530DSG, Ilim = 3A. We don’t have suggestion on device option. You can check datasheet of device to decide which one to choose. Before that please make sure the devkit is normal…

Well yes it seems to be fried. My question is: how does that happen when there is only power supplied through the rail and the only thing plugged in is a WiFi USB dongle?? Yeah the load limit of that device is 3A, however, the documentation you sent through (Section “Carrier Board”) states that eac…

This may be a bit of a stab in the dark here, but how about this: I tried following this sparkfun tutorial and installed the drivers for the USB dongle. At first I had intermittently terrible pings (between 1ms and sometimes up to 3s), very similar to this issue reported here in this forum: #79530 . …

USB WiFI Dongle running hot

Robotics & Edge Computing Jetson Systems Jetson Nano

NicoMandel December 16, 2020, 4:54am 13

Late reply on this one, but we exchanged the dongle for a default one we had flying around for some Raspberrys and it worked fine. Switched to the WiFi card now, as a long-term solution

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USB WiFI Dongle running hot

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