I had some problems and sent them a mail, they are very friendly and will help you for sure… usually sellers don’t care 
Yeah must be in the F9P, tried different laptop aswell now, with multiple USB cables, nothing, not even a connection sound, there was 5v on the pin 6 so there was power. In the proces almost tore a usb port of the pbc so today wasnt the best day lol. I’ll contact Ardusimple.
If you go to the device manager in windows and plug and unplug it. Does anything show up? If it shows up and an antenna hardware or receiver hardware leave it plugged in and delete the hardware. Then it will show as a com port.
I had problems connecting to in u-center but when I in the receiver settings those u-blox Generation 9, and choose Autobauding I got connected, it connected at 38400
still no succes. i tried the autobaud, that didn’t do it.
contacted Ardusimple, first check check they proposed (maybe someone in the future finds it helpfull) remove the Teensy as it might interfere with the F9P, but had no Teensy on the board.
next step they gave me is to use a TTL-USB connector and connect to the UART straight away and then configure it.
I’ve ordered a converter so we will see then.
Which micro are we talking about?
Micro PCB
or Ardusimple f9p micro?
Post a picture of what you have! because your last post about TTL USB points to different problems.
If we are talking about Micro PCB then use the other slot for f9p micro (and then the other usb socket for it too)
Other people have experienced problems with the soldering of USB sockets on micro PCB
Edit: after configuring F9P, then move it to correct socket again.
That maybe explains why i only hear the disconnect sound? The USB connectors seem to wiggle a bit indeed altho i’ve already tried 5 different positions now on my 5 pcb’s
So no 12V to the board, no fuse, no current sensor installed on this board yet
Just micro F9P on the V4 all in one micro board, with USB cable.
yes i did, i didn’t see anything change. When the USB disconnect sound was heard the list would refresh but nothing changed.
Take a screen shot before and after and post them here.
It’s in Dutch unfortunately lol
this before:
this is after:
it did do the USB disconnect sound, with a short refresh of the list.
Could you get a screenshot showing the Ports expanded like this?
Once you have you board powered with 12v in. If you cant get a usb connection, try the other micro header. There have been many usb ports that are not soldered well from JLC. I have had to reflow the solder connections on several boards. They have been better as of late, but still not the best soldering.
I have started using a micro breakout board designed by @WildBuckwheat
It doesnt need external power but is powered through the usb port just like the standard f9p.
I thought the micro F9P was powered trough the USB aswell. I followed the wiki, the way i interpreted the words “one at a time” is that i never should connect to 12v and USB at the same time, just as you shouldnt do that with the teensy. Also the picture in the wiki shows no 12v in!
Are you sure you can connect the board to 12V and then connect to USB on the micro F9P?
Yea, im sure.
If you don’t power the micro, it will not connect usb.
The micro is 3.3v and usb is 5v. Therfore you need 3.3v power to the micro since the usb port is data only with no power to the micro.
Edit
That wiki link is only talking about plugging in to the teensy with board power off. You can cut the trace on the bottom of the teensy and then it doesnt matter if the board is powered or not.
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Here’s the link GitHub - WildBuckwheat/SimpleRTK2B-Micro-breakout-board: A small break out board for the ArduSimple SimpleRTK2B Micro
Its just a tiny little board that powers the micro F9P from USB (using an onboard voltage regulator). It works great for flashing firmware, and you can use it to make a base station too. You can also use it to stick a micro F9P onto a standard 0.1" pitch breadboard.
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