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I should add - No current draw on initial powerup. Significant current is drawn while pressing left knob. Current goes back to zero after releasing left knob.

Rick, Great to hear about your success. However................ Here is a little more about the USB-C connector. The connector is designed around 8 pins and the shields. The connector is designed to

Booted up the new QMX on my bench power supply, managed to flash firmware, hooked up a dummy load to test TX and forgot to increase current limit on the power supply, so it browned out on TX. Then it

Hi All QRP Labs products use this same VID/PID which is licensed by ST Microelectronics to QRP Labs for exclusive use by QRP Labs amateur radio products using STM32 microcontrollers. I'm very

Hello fellow QRPers, I am enjoying my QMX build, yet I’ve run into a snag on step 12 page 31 (the first specified continuity checks). I am hoping that someone has either seen/rectified a similar

I'd like to get the cdc_acm serial port on the QDX to work on ChomeOS in the Linux (Crostini) container. I'm looking for the Vendor IDs(VID) and Product IDs(PID) for all QRP Labs products so everyone

*SUCCESS* !! I resoldered the encoder switches and I was able to get electrons to flow. About 170 mA at 9 VDC (wired for 12 VDC).? The USB port was still not recognized so I gingerly resoldered it.

And apparently D102, too. :-(

One thing that comes to mind when comparing the inductive spike at the drains between the TN/VN*06 and the BS170 - you saw a 120V spike with the former compared to 60V with the BS170 - is that the

Rick, That would make a difference. I assume you also don't have 5V VCC nor 3.3V VDD then But back to the "no USB" : Looking at the USB connector pins in your picture, I would say at least 2 pins

I think I found it! R104 is missing on the PS board! Must've gotten knocked off when I was using the air gun to demount Q103... Have to look at my resistors, now! Paul

Razvan said : "... the 5V rail would come alive before the 3,3V would do. But latch-ups are not harmfull, so if you do not have an answer to this question, just forget it: I will find it." Dear

My off grid computer uses BK TimeSync and a USB GPS. https://www.maniaradio.it/en/bkttimesync.html I find that it works very well. I exclusively use it every time. My computer is turned on whether

The Microham USB interface III driver/configuration program works fine on my W10 machine. Gary W9TD

Steve I use dimension4 with Win10 and Win11. No problems. 73 Barb WB2CBA

Wayne, I noted that you have disallowed applications from using the QDX audio card: Change the "Don't Allow" 73 Evan AC9TU

I think there's a bug in the "Configuration --> Digi interface --> TX shift thrshld" entry field.? It defaults to '500' (milliHertz), but no more than two digits (00-99) can be entered from the

On Thu, Aug 24, 2023 at 01:06 PM, Rick Williams - VE7TK wrote: oops ..... > > So for some reason Q103 and Q105 are *NOT* being turned on -- 73, Rick VE7TK Website: https://www.ve7tk.ca/ (

Hey, Cliff. So, the gnd hole you spotted doesn't have anything in it. It must just be the way it looks in the photo. For getting audio in, I followed someone else's advice and reloaded the firmware. I

Steve, Dimension 4 works with Windows 10.