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Looks interesting to me. I think that having a built-in keyboard mode is really great. That is certainly a feature that I think should make it into the much-more-powerful (cpu-wise) QDX/QMX. Will be

The term SCAMP has already been used in small computer systems. If my researches are correct, one was a FORTH-based micro from the early 1970s. Another was a little later. It was APL-based and

I just got a notification of https://github.com/profdc9/RFBitBanger being ’sold’(?) as a Not-The-KickStarter at

Hans incorporated two major hardware features that require future firmware.? These are SWR measurement and the ability to modulate RF amplitude.? I believe that the first firmware that combines the

Dave, Yes, this has been reported on various QRP Labs rigs. Not a common thing but sometimes cures strange problems. The diagnostic LED is now off and Note that light has no meaning for the user and

This is the stand I 3D printed from Thingiverse, there are several options available. https://www.thingiverse.com/thing:4905919 ( https://www.thingiverse.com/thing:4905919 )

I have an original version QDX, which puts ~3 W into my 20 M dipole about 25 feet above ground. ?It works well and has produced many FT8 contacts, though many of my calls go unanswered on the crowded

Thanks a lot William, you have given a powerful lucid informative answer for QRP-labs support of their products. I will take these under consideration as I make my decision. You have been most

If history (and following along in this group) is any guide, of course there will be PCB revisions as required and as Hans has to order new batches. Sounds like he already has minor tweaks to the

Thanks for the response. However, I have no idea of the meaning. Please elaborate so we can have an erudite

I'll make the popcorn...?

I have a weird problem. No waterfall. The rig goes through normal fire up. Don't know if there is output or not. I use my tablet, ft8cn and an end fed log wire and am on 7.074 mHz. HIF

Hi Group, I don't know if this has come up here before (a search turned nothing up) but thought I would share the stands I originally used on my (tr)uSDX radio's.? They work equally well for the QMX

In doing due diligence, one has to ask the tough questions. Does management see a Revision 2 PCB board on the way with all the known fixes on it? Would new firmware depend on having the new Revision 2

Tried a factory reset, (I had previously set the audio gain to 80db) I also increased the audio gain to 90db. The diagnostic LED is now off and the QDX is receiving.

i have just had the same problem, (like the qcx mini had) i was pulling the power supply plug from the QMX when it was turned on, (as it wouldnt turn off). and smoke came from the SMPS board. Great

I think you mean a? Stretch goal.. that's what such things are called? in Oz. AKA;? "the project manager sweats the staff "

I've built both a QDX and a QMX. The QMX works very well. I've never been able to get the QDX to receive, I thought it was just my location and bad aerial but the QMX disproves that. The QDX and QMX

OK No need to respond to my last message : the problem was that it needs to see 5V and I only had 4.93 ... so I adjusted the voltage divider a tad Now up and running properly, so I know the only

No surprise there, if it doesn't work on 7V no reason it should with more. Try checking the voltage on the gate of Q103 or Q105. Inactive it should be at the V_IN voltage and go low when the encoder