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I could not find it at Amazon. Perhaps it is discontinued. Thanks anyway. 73! de Bekir TA2RX 8 Oca 2025 ?ar 08:54 tarihinde Karl via groups.io <karlshumaker= [email protected]> ?unu yazd?:

Hello Chuck Since there is absolutely nothing I can do to fix software Have you tried some of the settings people suggested in this forum? I am not sure who you think is on the group who is on my

Hi Greg; I opened the device and I can smell a burning smell inside, I think we burned something. Thanks.

Hi Alan; QMX+ Hi, I opened the device and I can smell a burning smell inside, I think we burned something. Thanks.

No problem, Ludwig. The part I quoted is the one I used when repairing my QMX (rev 3). It fits correctly. Cheers, Ronan. MM0IVR

I made it from parts from Amazon. The prototype printed circuit board is just a bunch of through-plated solder pads to mount and connect every type of USB receptacle. It is powered by a 5 volt wall

Signals ADC_5V and ADC_3V3 back to the host should be a bit high by maybe a tenth of a volt. If the processor doesn't see a high enough voltage,? it waits until it does before running any further

Hi, Stan and Cal. Happy New Year. Please add me to the list for a full version. Just in case. Thanks 73 Ray ae5hn

Donald, most MOSFETs have an internal diode, so the flywheel diode is not absolutely necessary for a small low-voltage relay.? If the relay has a large coil or runs off higher voltage, yes, I would

Yup, never been able to use straight c to c... I think it's missing a resistor to tell the computer to just treat it like a basic USB device. Whenever I have used it on my USB c laptop I have had to

These two observations tell me that your problem is 'to the right' of the capacitor.? If it was 'to the left', i.e. towards schematic page 5, grounding the input side of the capacitor would also have

Chuck Harris via groups.io <cfharris@...> wrote: But sticking the probe didn't change anything in the audio. Wouldn't it do it, if this was the cause? Anyway, an update, if

Karl, Would you mind sharing the source of your tester(s)? 73! de Bekir TA2RX 8 Oca 2025 ?ar 05:23 tarihinde Karl via groups.io <karlshumaker= [email protected]> ?unu yazd?:

Don't forget the flywheel diode across the relay coil so you don't blow out the driver. There is also a current-limiting resistor behind the PTT output which could be reduced somewhat for more

I suggest Chipquik, Multicore or Kester 63-37 with RMA core solders vs Chinese mystery metal.? I use 0.020" and 0.032" a lot, 0.015" occasionally for real fine work. Also a couple pf pairs of #7SA

Hi, I just replaced SMPS boards in my QMX with a linear regulator board, and removed the power switch (I always found it annoying). Some tips, if someone wants to do the same: 1. 3V3 regulator (I

Here is my USB cable continuity tester: -- That is the printer cable I am using for the QDX, IC-7300 and the QCU Clock. All four LED's are lit so power and data functional. 73 Karl KI4ZUQ

In addition to what Lasse says, it may be necessary to "show hidden devices" in order to see the entry that is blocking you. 73, Mike KK7ER Did that. Got this: "Unknown USB Device(Device Descriptor

Thank you Stan? Great suggestion!?? GREG Yahoo Mail: Search, Organize, Conquer On Tue, Jan 7, 2025 at 7:17 PM, Stan Dye via groups.io<standye@...> wrote: Greg, a better

An update, as always I think the problem is the simplest one, I have type-c to type-c cables, I couldn't get any response from any type-c port of the computer I was using, then I tried the type-a