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There were changes to the hoops that we had to jump through to get emails to go a few months ago, I started getting messages from gmail saying this. Went to my mail server provider, IONOS and got it

Sure thing, Kees. I might not have brought this up except that it appears to read directly on several fails that have been posted here. A thorough review of the other pins around the periphery of

Hans, OK sorry I butted in. I will keep looking. 73, Billy

Hello Billy I don't think that is related to groups.io. Your messages on groups.io are coming through just fine. The problem is emails sent from QRP Labs shop are accused of being spam by some email

Hans, I just found out why I can no longer use groups.io. I am in the same situation that Colin was in. 73, Billy

Don, The lead arrangement of the VN0606 is opposite to the BS-170. So instead of flat side down on the PCB they would be installed flat side up. Did that make any difference in heat removal? The specs

The scope mentioned by the OP does not have a 50 Ohm input impedance selection. He needs to get a termination adapter, but the best, most accurate measurement is by using a commercial attenuator with

Hello JZ, Thanks for the lead to AN4899. I had not looked into that one yet, just the STM spec. 73 Kees K5BCQ

You can also remove the solder bridge by using a dab of flux applied with toothpick if you can get the soldering iron tip in there. The flux will increase the surface tension of the solder and break

Ok Enzo Yes that is clear now. That wasn't how I read the first mail. Good luck hope you sort it. 73 Ian G4GIR

OK Mike, this is most useful. I will check PWR_HOLD as well. I reckon it should go up as soon as the CPU boots (and the CPU does boot, indeed). If PWR_HOLD does go up at boot, then Q104 is probably

So, that is exactly the problem: if I press the power button briefly, I see about 200mA going into the board (input voltage at 9V, not at full 12V), but the boards shuts down as soon I release the

Also, when it "powers down" does the USB drive disappear? I seem to recall the current drawn goes way down when you release the left encoder but the drive was still there and I was able to load the

OK Enzo You need to press the left button briefly the Flash drive appears, drag the downloaded firmware to the Flash Drive and it will install, don't touch the left button again. I think the display

It may or may not be Q104. I had exactly the same issue/symptoms on a QMX that had firmware loaded. Turns out I had blown the PWR_HOLD port on the MPU. I had to hardwire Vdd to the gate of Q104 to get

A solder bridge can be severed by cutting it with a sharp blade; a #15 scalpel blade is my go-to tool for this. 73, Don N2VGY

No I haven't. I was under the impression that you didn't need to keep the left button pressed to load the firmware. Or at least this is how I read the assembly manual. Please accept my apologies if

Thanks for the suggestions Colin... Hopefully I can find a solution soon. 73 Hans G0UPL http://qrp-labs.com https://www.buymeacoffee.com/g0upl wrote:

Hans, I used to send all my email from a server I owned. There was a period where it wasn’t getting through. I was only sending private correspondence and no business emails at all. After months of

Enzo have you installed the Firmware yet? 73 Ian G4GIR