Hi Frank, Interesting that you had a problem with your XZ cable, I did with mine on an SC420/2 a couple of years ago. This has been highlighted man...

Hi I think that link refers to the version for Win XP. The Microsoft website suggests rev 3.5 for Vista, I don't know if the .NET framework loa...

Hi, Some things to try :- Download another copy of UCCNC (rev 1.2029) from the cncdrive website and try that on your laptop. If that doesn't...

Hi digiteyezer, Be aware that the UC100 module does most of the clever part of "motion control", so that the driving PC does not have to carry out ...

Hi Doug, Good advice to Orenhag, I was very tempted to reply "BF&BI" 👿 "Must tighten firmly!" is an invitation to flex ones muscle...

Hi Garth, It sounds as though your diagnosis is correct - a dead LM2574N-5. However it might be that there is a short between +5V and ground, it's ...

Garth, Have you measured voltage at PSU plug when disconnected or actually on the board itself at the back of the power socket. I've just recove...

Hi, If the fuse has gone, then rather than replacing the original (tricky on SMD parts) solder another of same rating in parallel. Plenty of choice...

Hi ShaneS, A word of caution here, because I just had to change a defective power supply on my SC420/2. Similar symptoms. Measuring the old PSU,...

Hi Audiolinear, If I read your post correctly, it would seem that you are working with a revision of UCCNC that is now well outdated. The latest r...

Did you know that Proma EPOXYD FR4 is a paper laminate not glass fibre?

Hi Doug, "I would assume that the "Rory VFD Special" is capable of full control via the same interface as the HF350/500." Yes I did mean the sam...

Hi Doug, Now that is really interesting - though my HF350 is proving OK but has a quirk in that it very occasionally fails to start properly when c...

Hi Roy, You might like to view some pictures of my pcb etching setup that I posted on the "Introduce Yourself" section under "Hi 840 member from Sp...

Hi Doug, Tensioning a drive belt is a bit of a black art so as not to put too much load on the pulley bearings, yet making sure it cannot slip a to...