The small solder area is my suspicion too, and a
relatively easy fix. Through hole would be better but would
require a new component and circuit redesign (with associated
complexity and re-certification issues). Here are some pictures
of the 2020-06-15 batch with the changes. But it will be some
time before distribution stock is cleared out and those start to
be shipped. Note also that 2020-06-15 also includes a change to
new thicker antenna cables for both GPS and GSM.
Regards, Mark.
On 4 Aug 2020, at 9:11 AM, Craig Leres <leres@xse.com> wrote:
On 2020-08-03 01:26, Michael Balzer wrote:
I've had multiple cases now of damaged and broken off USB ports.
I managed a mechanical "no heat" desolder of the usb port on one of my modules last year (I wasn't careful when sliding the seat back with a cable plugged in). When I took it apart I could see that there was not very much solder in the four holes that secure the usb shell to the board. At the time my suspicion was that the small amount of solder from the factory wave solder made for a weak bond. I was lucky that I didn't lift any pads and was able to resolder it.
Craig
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