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Did you try a small value capacitor from the signal pin to ground? I had a random trigger issue with an Arduino based device. It would trigger every time a fluorescent lamp turned on of off nearby. A small capacitor solved the issue. It was a genuine Arduino Nano.

Now I'm by no means any kind of an Arduino expert, but would it not be possible to just make a digital pin go high when the code is not active, AKA signal is not being sent to the stepper motor?

Yup, that's the one.

Maybe they're trying to convince buyers that it is actually a VFD display? Russians aren't the only ones making nixie tubes either. There's a small business in Czech republic (I think) making them as well. Can't remember what they're called though.

Lime green sounds tempting... Anyway, I haven't used the polka dot dividing head almost at all so far, but I've been using my lathe dividing head for a year now without any issues whatsoever. I make tiny stuff and I haven't been able to detect any division errors. In the type of stuff I do...

The code is already posted on this thread and it is not written by me.

Hi all, I have a whole bunch of these NOS German (?) 1.7mm taps. They come in sets of three. I believe I have 100+ sets of these. They have no markings other than the size engraved on the taps, but I tried flame annealing one and it does get soft, so they seem to be carbon steel...

Oh wow, thank you so much, I really appreciate it! I'll send an email to the shop in Vienna. If that price is including VAT, then I would consider the set very affordable. I have a bucketload of really high quality NOS 1.7mm taps in sets of three. If you want a set or two, just PM me your...

Of course. There's no rush. I just got my account opened again, and Boley charges 428 euros 0% VAT + shipping.

Unfortunately these Chinese "tools" are garbage. They try to mimic the old style screw plates made by the Swiss and German tool manufacturers, but the quality is nowhere near the vintage European tools. Either way this type is better suited for chasing existing threads, not so great for making...

Whoa, I missed that one! I even have an account at Boley! Horology tools are always expensive. That's just the way it is. But then, I don't think that set is incredibly expensive for what you get. Typically these dies cost about 30 euros a piece.

Yeah, they do seem pretty non-existent the first time you see them. But really they're not all that difficult to make. The thing about horology that makes it difficult is that it's not enough to make it function, but it needs to look pretty too. Here's a few 0.4mm screws I made one in gold...

Hi BaronJ, Nope, I mean thread nominal diameter, not pitch. These are common sizes used in horology. I have plenty of tools for M1 and above sizes, but these tiny ones are difficult to find.

Hi all, I've done my fair share of googling and I found a few sizes, but really small metric dies are very difficult to find... well, at least at reasonable prices. There are sources that charge something like 100 euros per piece, which is just too much. So I figured model engineers deal...

Watch crystals, acrylic and glass, are readily available up to 50mm both flat and domed. They're not expensive either. Dirt cheap, in fact. They're sold by pretty much all horological supply shops. Cousins UK, Esslinger in the States, Jules Borel... the list goes on. Watch crystals (when they...

No lost bets here. I firmly believe it should be mandatory to paint all metalworking machinery pink. Polka dots are optional due to their mildly psychedelic effects which may result in either futuristic machine designs or severed limbs. Besides my shop is already full of boring green and...

Hi all, Sorry for the delay, but I've been a bit busy lately. I finally got the dividing head somewhat finished. I still need to make a box for the PSU and the stepper driver, but the actual dividing unit is now complete. I haven't tried it out yet, but I don't see why it wouldn't work just...

I haven't done any proper testing with the Liming script with my new hardware, so I couldn't say for sure what the issue was. I was having so many problems with the whole setup that I really can't blame the script. I know for a fact that I had two dodgy stepper drivers, so that may have been the...

I put my lathe dividing head together as it will be from now on and did some (hopefully) final testing. All functions of the script seem to work as intended. No problems with button functionality or anything else. I tried several divisions, 4, 7 ,10, 21, 36, 43, 45 and 61. I had no problems with...

Hi, I've been a bit busy for the past few days, but I tried the new script and the division seems to work perfectly now. I tried divisions 3, 21, 37, 61 and 360. All holes lined up. I'll do some more testing later and I will write down the results but for now it seems that we have nothing to...