Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 22:22:16 Gregg Eshelman wrote: > I'd like to find some left handed digital calipers as low priced as > the ones Harbor Freight sells. They're plenty good enough, especially > the latest one they have which reads in inches, millimeters and inch > fractions to 1/128th.

[Emc-users] 7i90HD programming

2016-10-31 Thread Gene Heskett
Greetings everybody; Surveying my system, thinking I can probably program this 7i90HD right on this machine from its unused parport, I go traipsing into: /lib/modules/3.16.0-0.bpo.4-amd64/kernel/drivers/spi, and find I have a choice of 3: spi-bitbang.ko spi-butterfly.ko spi-lm70llp.ko Now,

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gregg Eshelman
Or how about some company making a digital caliper with a display on both sides, so it can be read no matter which way around you have to use it to get at what you need to measure? -- Developer Access Program for Intel

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gregg Eshelman
I'd like to find some left handed digital calipers as low priced as the ones Harbor Freight sells. They're plenty good enough, especially the latest one they have which reads in inches, millimeters and inch fractions to 1/128th. Surprising that left handed calipers aren't as common as the right

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 21:21:32 Chris Albertson wrote: > Drill a tiny hole on the end of the bar. Fits over a small nail. > Chuckle. Heck of a good idea Chris, you should have suggested that about 18 months ago, and it might still be working... ;) OTOH, I didn't post about it 18 months

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Chris Albertson
Drill a tiny hole on the end of the bar. Fits over a small nail. Thats a good price for a 12 incher. But while the length is nice, its > also a PITA because there's no place to lay it down that it can't slide > off of. Last time it giggled off, it landed face down on another item > on the

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 18:55:32 W. Martinjak wrote: > Good Morning Gene, > > >> BTW: This is a pure linuxcnc project except the kernel. > >> Please download the kernel and the kernel-header with this links: > >> > >> http://deb.machinekit.io/debian/pool/main/l/linux-rt/linux-image-rp > >>i2-

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 18:08:17 W. Martinjak wrote: > Hello Gene, > > On 2016-10-31 18:27, W. Martinjak wrote: > > enable_uart=1 > > force_turbo=1 #Voids warranty! > > temp_limit=75 #Will throttle to default clock speed if hit. > > gpu_mem=128 > > and please order something like this: > >

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread andy pugh
On 31 October 2016 at 22:12, Kirk Wallace wrote: > What happens when the calipers are in mm mode? It transitioned at the mm equivalent. (5.08) -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Kirk Wallace
On 10/31/2016 01:50 PM, Dave Cole wrote: > On 10/31/2016 11:23 AM, andy pugh wrote: >> Anyway, the point of my initial email seems to have rather been >> missed: It appears that the calipers are internaly imperial rather >> than metric, because the measurement was breaking down on exact tenths >>

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread W. Martinjak
Hello Gene, On 2016-10-31 18:27, W. Martinjak wrote: > enable_uart=1 > force_turbo=1 #Voids warranty! > temp_limit=75 #Will throttle to default clock speed if hit. > gpu_mem=128 and please order something like this: https://www.amazon.com/Addicore-Raspberry-Heatsink-Aluminum-Sinks/dp/B00HPQGTI4

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Dave Cole
On 10/31/2016 11:23 AM, andy pugh wrote: > Anyway, the point of my initial email seems to have rather been > missed: It appears that the calipers are internaly imperial rather > than metric, because the measurement was breaking down on exact tenths > of inches readings. No miss and no surprise

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread John Kasunich
On Mon, Oct 31, 2016, at 02:42 PM, John Kasunich wrote: > > This picture is under 50K, hopefully nobody minds. LOL, apparently the list software minds, and stripped it out. http://www.shars.com/media/catalog/product/cache/1/image/540x/17f82f742ffe127f42dca9de82fb58b1/3/0/303-1340b.jpg --

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread John Kasunich
On Mon, Oct 31, 2016, at 02:37 PM, John Kasunich wrote: > > > On Mon, Oct 31, 2016, at 01:15 PM, Gene Heskett wrote: > > On Monday 31 October 2016 10:44:33 John Kasunich wrote: > > > > That's why I don't own a digital caliper. Mine all have dials > > > > > > I even have a couple (one at work,

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread John Kasunich
On Mon, Oct 31, 2016, at 01:15 PM, Gene Heskett wrote: > On Monday 31 October 2016 10:44:33 John Kasunich wrote: > > That's why I don't own a digital caliper. Mine all have dials > > > > I even have a couple (one at work, one at home) 6" dual-needle dial > > calipers that read in metric and

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread dannym
I tried to buy a new pair from Harbor Freight awhile back and they were just reading wrong. IIRC jumped around missing large portions of travel. Went back to exchange and thought to check first- ALL the ones on the shelf read wrong. Best results, Neiko calipers seem to be of consistent

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread Gene Heskett
sent 2nd copy to list On Monday 31 October 2016 08:39:15 W. Martinjak wrote: > On 2016-10-31 12:31, Gene Heskett wrote: > > Couldn't get to sleep yet, shoulder too sore. All of the above has > > been done. And I managed to lockup the lathe sim once, and > > something that doesn't want to

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread W. Martinjak
On 2016-10-31 03:29, Gene Heskett wrote: > On Sunday 30 October 2016 19:55:34 W. Martinjak wrote: > >> Hello Gene, Good Morning Gene, >> BTW: This is a pure linuxcnc project except the kernel. >> Please download the kernel and the kernel-header with this links: >> >>

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 10:44:33 John Kasunich wrote: > On Mon, Oct 31, 2016, at 07:28 AM, andy pugh wrote: > > My little digital caliper is playing up. It could just be a low > > battery, it has been flashing the LCD for at least a year. > > (As an aside, why do they run normally for about a

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 11:23:38 andy pugh wrote: > On 31 October 2016 at 14:44, John Kasunich wrote: > > That's why I don't own a digital caliper. Mine all have dials > > (except the 36" Starrett vernier) and I've never had a dead battery > > in 17 years. > > There

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Jon Elson
On 10/31/2016 06:28 AM, andy pugh wrote: > My little digital caliper is playing up. It could just be a low > battery, it has been flashing the LCD for at least a year. > (As an aside, why do they run normally for about a week then flash the > display for about a year?) > Anyway, moving the slider

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Ken Strauss
They only micrometer that I've bought from them is a 2-3 inside (see http://www.ebay.com/itm/2-3-x0-001-Inside-Micrometer-in-Fitted-Case-Satin-Ch rome-Finished-EG00-3223-/16152374 ). Perhaps it isn't quite as nice as my 1-2 Starret or 0.2-1 Mitutoyo but it operates smoothly, is accurate and

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Eric Keller
On Mon, Oct 31, 2016 at 11:23 AM, andy pugh wrote: > Anyway, the point of my initial email seems to have rather been > missed: It appears that the calipers are internaly imperial rather > than metric, because the measurement was breaking down on exact tenths > of inches

[Emc-users] An observation on digital calipers

2016-10-31 Thread Mark Johnsen
On Mon, Oct 31, 2016 at 7:08 AM, Ken Strauss wrote: > While we're discussing calipers, I've been pretty happy with the ones from > Accusize. They show large decimal digits plus fractions and I rather like > the yellow display. Not absolute and not IP67 but they feel

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread andy pugh
On 31 October 2016 at 14:44, John Kasunich wrote: > That's why I don't own a digital caliper. Mine all have dials (except the > 36" Starrett vernier) and I've never had a dead battery in 17 years. There are games that you can play with the resettable zero and dual units

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Todd Zuercher
Digital and mechanical calipers each have they're place. I about came unglued one time I caught a shop worker swinging a dial caliper like a hatchet, sticking the points into a piece of wood. I've found that cheap digital calipers hold up better to such abuse. (and are easier on the wallet

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread John Kasunich
On Mon, Oct 31, 2016, at 07:28 AM, andy pugh wrote: > My little digital caliper is playing up. It could just be a low > battery, it has been flashing the LCD for at least a year. > (As an aside, why do they run normally for about a week then flash the > display for about a year?) > Anyway, moving

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Bruce Layne
I think it's a bit problematic that the battery industry offers different battery chemistries with similar but different voltages in identical form factors, but that's not the problem I was describing. The *REAL* problem is unscrupulous Chinese manufacturers who copy another company's

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Ken Strauss
While we're discussing calipers, I've been pretty happy with the ones from Accusize. They show large decimal digits plus fractions and I rather like the yellow display. Not absolute and not IP67 but they feel about as nice as my Mitutoyo ones. They also have left handed calipers. Accusize is

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread andy pugh
On 31 October 2016 at 13:39, Bruce Layne wrote: > I now order authentic batteries for digital measuring tools from > McMaster-Carr. The difference is between the SR44 and the LR44. SR44 is Silver oxide and has a higher base voltage, than the zinc/manganese LR44 and

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Bruce Layne
My Cautionary Tale Of Woe: I bought a new Mitutoyo micrometer, one of their top of the line coolant proof models. This was intended to be my "best" handheld measuring tool. I didn't need it for a long time and the original battery was dead when I checked it so I replaced the battery with a

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Todd Zuercher
Looks like the ones we buy by the case for our shop. Almost certainly the battery. They do get flaky when the battery gets low. Buying decent batteries helps. (you can be pretty sure the ones that came with a cheep one are crap.) I'll take a good dial caliper over a digital any day. But I

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Dave Caroline
I have a real Mitutoyo and have had intermittent problems recently, it turned out to be the lower battery contact has a small crater with the under lying corrosion pushing upwards stopping proper contact (probably from a leaky battery at some time), a rejig of the spring contact has fixed it.

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Stephen Dubovsky
> > I also tried a cheap chinesse one but it's was a disaster. Then I found > these Mitutoyo that are extremely cheap and come from China but I don't > know what to think. > > http://www.ebay.com/itm/Mitutoyo-500-196-20-30-300mm- > 12-Absolute-Digital-Digimatic-Vernier-Caliper-/331999662209? >

[Emc-users] good tools was Re: An observation on digital calipers

2016-10-31 Thread TJoseph Powderly
maybe non-machinists/new-machinists could use a list of good tools maybe a wiki page? whats your goto tools? mine Starret 6" pocket scale decimal inches Helios vernier ( not even dial ;-) NSK 1-2-3 mike set with standards Starret deep mike ( blade type for mold ribs) Indicol and Noga indicator

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 08:03:15 Leonardo Marsaglia wrote: > 2016-10-31 8:28 GMT-03:00 andy pugh : > > My little digital caliper is playing up. It could just be a low > > battery, it has been flashing the LCD for at least a year. > > (As an aside, why do they run normally

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Gene Heskett
On Monday 31 October 2016 07:28:23 andy pugh wrote: > My little digital caliper is playing up. It could just be a low > battery, it has been flashing the LCD for at least a year. > (As an aside, why do they run normally for about a week then flash the > display for about a year?) > Anyway, moving

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread andy pugh
On 31 October 2016 at 12:03, Leonardo Marsaglia wrote: > Is this a Mitutoyo one? No, it's this one (the 3" size is actually rather convenient for many jobs, and fits in smaller spaces) http://www.machine-dro.co.uk/75mm-3-pocket-digital-calipers.html -- atp "A

Re: [Emc-users] An observation on digital calipers

2016-10-31 Thread Leonardo Marsaglia
2016-10-31 8:28 GMT-03:00 andy pugh : > My little digital caliper is playing up. It could just be a low > battery, it has been flashing the LCD for at least a year. > (As an aside, why do they run normally for about a week then flash the > display for about a year?) > Anyway,

Re: [Emc-users] Raspi, 7i90HD and such stuff...

2016-10-31 Thread Gene Heskett
On Sunday 30 October 2016 19:55:34 you wrote: > Hello Gene, > > If my response takes too long, please do not get impatient, because > I'm on the other side of the pond. :) > > BTW: This is a pure linuxcnc project except the kernel. > Please download the kernel and the kernel-header with this

[Emc-users] An observation on digital calipers

2016-10-31 Thread andy pugh
My little digital caliper is playing up. It could just be a low battery, it has been flashing the LCD for at least a year. (As an aside, why do they run normally for about a week then flash the display for about a year?) Anyway, moving the slider very slowly it goes from 0.3995" straight to