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Groups > comp.arch.embedded > #30035 > unrolled thread
| Started by | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| First post | 2020-10-29 20:17 -0700 |
| Last post | 2020-11-18 03:20 -0800 |
| Articles | 20 on this page of 81 — 23 participants |
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Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-10-29 20:17 -0700
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-10-29 23:52 -0700
Re: Good Hardware Tools Theo <theom+news@chiark.greenend.org.uk> - 2020-10-30 10:19 +0000
Re: Good Hardware Tools Chris <xxx.syseng.yyy@gfsys.co.uk> - 2020-10-31 00:21 +0000
Re: Good Hardware Tools Dave Nadler <drn@nadler.com> - 2020-10-30 17:56 -0700
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-10-30 20:40 -0700
Re: Good Hardware Tools Philip Martel <pmartel@alum.mit.edu> - 2020-10-31 14:54 -0400
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-04 20:13 -0800
Re: Good Hardware Tools kegs@provalid.com (Kent Dickey) - 2020-11-13 17:10 -0600
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-15 19:43 -0800
Re: Good Hardware Tools Brett <ggtgp@yahoo.com> - 2020-11-16 19:31 +0000
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-17 01:50 -0800
Re: Good Hardware Tools Stef <stef33d@yahooI-N-V-A-L-I-D.com.invalid> - 2020-11-17 11:14 +0100
Re: Good Hardware Tools Brett <ggtgp@yahoo.com> - 2020-11-18 04:14 +0000
Re: Good Hardware Tools George Neuner <gneuner2@comcast.net> - 2020-11-17 12:05 -0500
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-17 10:06 -0800
Re: Good Hardware Tools George Neuner <gneuner2@comcast.net> - 2020-11-17 16:02 -0500
Re: Good Hardware Tools Jim Jackson <jj@franjam.org.uk> - 2020-11-17 22:28 +0000
Re: Good Hardware Tools David Brown <david.brown@hesbynett.no> - 2020-11-18 11:11 +0100
Re: Good Hardware Tools Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-11-18 12:40 +0200
Re: Good Hardware Tools Niklas Holsti <niklas.holsti@tidorum.invalid> - 2020-11-18 14:51 +0200
Re: Good Hardware Tools Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2020-11-18 21:46 +0100
Re: Good Hardware Tools David Brown <david.brown@hesbynett.no> - 2020-11-18 22:29 +0100
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-18 12:45 -0800
Re: Good Hardware Tools Tom Gardner <spamjunk@blueyonder.co.uk> - 2020-11-18 21:08 +0000
Re: Good Hardware Tools Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2020-11-19 00:35 +0100
Re: Good Hardware Tools Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> - 2020-11-18 16:12 -0500
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-18 17:30 -0800
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-18 23:36 -0800
Re: Good Hardware Tools Jim Jackson <jj@franjam.org.uk> - 2020-11-19 22:31 +0000
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-19 14:43 -0800
Re: Good Hardware Tools Jim Jackson <jj@franjam.org.uk> - 2020-11-20 22:13 +0000
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-20 18:01 -0800
Re: Good Hardware Tools James Brakefield <jim.brakefield@ieee.org> - 2020-11-21 11:39 -0800
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-18 03:15 -0800
Re: Good Hardware Tools David Brown <david.brown@hesbynett.no> - 2020-11-17 22:25 +0100
Re: Good Hardware Tools Dave Nadler <drn@nadler.com> - 2020-11-17 16:30 -0500
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-17 14:18 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-23 13:39 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-23 07:49 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-24 08:53 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-24 10:46 -0800
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-24 13:46 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-27 08:11 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-27 06:58 -0800
Re: Good Hardware Tools Richard Damon <Richard@Damon-Family.org> - 2020-11-27 10:17 -0500
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-27 08:04 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-28 17:04 +0100
Re: Good Hardware Tools Don Y <blockedofcourse@foo.invalid> - 2020-11-28 09:54 -0700
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-28 09:05 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-29 17:30 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-29 11:10 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-30 08:19 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-30 07:46 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-12-06 17:55 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-12-06 15:04 -0800
Re: Good Hardware Tools Mat Nieuwenhoven <mnieuw@zap.a2000.nl> - 2021-01-03 11:03 +0000
Re: Good Hardware Tools Brett <ggtgp@yahoo.com> - 2021-01-04 09:03 +0000
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2021-01-04 04:09 -0800
Re: Good Hardware Tools Mat Nieuwenhoven <mnieuw@zap.a2000.nl> - 2021-01-04 21:57 +0000
Re: Good Hardware Tools Don Y <blockedofcourse@foo.invalid> - 2021-01-04 02:55 -0700
Re: Good Hardware Tools Grant Edwards <invalid@invalid.invalid> - 2020-11-28 20:53 +0000
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-28 15:16 -0800
Re: Good Hardware Tools Richard Damon <Richard@Damon-Family.org> - 2020-11-28 20:57 -0500
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-28 18:07 -0800
Re: Good Hardware Tools Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2020-11-29 10:43 +0200
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-29 11:00 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-30 08:01 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-30 07:40 -0800
Re: Good Hardware Tools Chris <xxx.syseng.yyy@gfsys.co.uk> - 2020-11-30 15:41 +0000
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-29 15:22 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-29 11:04 -0800
Re: Good Hardware Tools Don Y <blockedofcourse@foo.invalid> - 2020-11-29 14:46 -0700
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-29 15:11 +0100
Re: Good Hardware Tools Grant Edwards <invalid@invalid.invalid> - 2020-11-29 23:24 +0000
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-29 17:57 -0800
Re: Good Hardware Tools "Mat Nieuwenhoven" <mnieuw@zap.a2000.nl> - 2020-11-30 08:32 +0100
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-30 08:03 -0800
Re: Good Hardware Tools Paul Rubin <no.email@nospam.invalid> - 2020-11-16 13:13 -0800
Re: Good Hardware Tools kegs@provalid.com (Kent Dickey) - 2020-11-17 22:56 -0600
Re: Good Hardware Tools Rick C <gnuarm.deletethisbit@gmail.com> - 2020-11-18 03:20 -0800
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| From | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| Date | 2020-10-29 20:17 -0700 |
| Subject | Good Hardware Tools |
| Message-ID | <6e5490ea-2fc2-4c00-bc1f-eadcd6cf0d7co@googlegroups.com> |
I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an attached scope using the PC for a display. They are no cheaper than the full scopes and good ones may be more expensive. The only ones I've found that are decent are the Pico Technology scopes. Rather pricey. Then there are small logic analyzers, again on the PC. One I've seen used is good and not too pricey, but I don't recall the name. My only issue with it is that it doesn't have a Linux driver. I keep wanting to switch to Linux, but this is the sort of thing that holds me back. Ah, found it. LogicPort by Intronix. Not a bad device, but no scope. This one is interesting. I'm thinking about the $1100 model, MSO-9201 w/LAPOD meaning it has a 12 bit logic analyzer and not just the scope. Anyone use this? Link Instruments https://www.linkinstruments.com/mso9201.htm It includes the probes and serial analysis software apparently along with various math operations like spectrum analysis along with data logging. Again no Linux, but not even Win10! $325 will get you a 60 MHz bandwidth little brother with an 8 channel logic analyzer. If I can't find anyone who has these devices I think this one is less of a risk and likely the right choice anyway. Other than the much more limited buffer size it's probably enough for my needs anyway. Then little brother has a little brother for $249 with only one input channel, but adds a pattern generator (on the logic analyzer port) and TDR. I think I'd still want the two channels. A one channel scope is rather limited. I wonder how good the software is. I got a Hantek scope once and couldn't even get the software to run. Zero support... ZERO! I got a full refund because they couldn't track the package and I still have the piece of junk. It's just an MCU on a serial port. -- Rick C. - Get 1,000 miles of free Supercharging - Tesla referral code - https://ts.la/richard11209
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| From | Paul Rubin <no.email@nospam.invalid> |
|---|---|
| Date | 2020-10-29 23:52 -0700 |
| Message-ID | <87pn50i4tc.fsf@nightsong.com> |
| In reply to | #30035 |
Rick C <gnuarm.deletethisbit@gmail.com> writes: > I got a Hantek scope once and couldn't even get the software to run. > Zero support... ZERO! I got a full refund because they couldn't > track the package and I still have the piece of junk. Wow, I was gonna say I don't know much about scopes but an online acquaintenance recommended a particular Hantek scope a while back (I forget which model). In general, expect all software coming from hardware companies to be crap. Find something with good independent FOSS support.
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| From | Theo <theom+news@chiark.greenend.org.uk> |
|---|---|
| Date | 2020-10-30 10:19 +0000 |
| Message-ID | <t6E*UOV5x@news.chiark.greenend.org.uk> |
| In reply to | #30036 |
Paul Rubin <no.email@nospam.invalid> wrote: > Rick C <gnuarm.deletethisbit@gmail.com> writes: > > I got a Hantek scope once and couldn't even get the software to run. > > Zero support... ZERO! I got a full refund because they couldn't > > track the package and I still have the piece of junk. > > Wow, I was gonna say I don't know much about scopes but an online > acquaintenance recommended a particular Hantek scope a while back (I > forget which model). > > In general, expect all software coming from hardware companies to be > crap. Find something with good independent FOSS support. On logic analysers, we have a Saleae: https://www.saleae.com/ It's not cheap but the software is fairly nice (and runs on Linux). It's also supported by Sigrok, which is an open source logic analyser program for Linux, that supports a wide range of analyser (digital/analogue) hardware. Sigrok even supports cheap CY7C68013A modules like this one, that you can use as crude logic analysers: https://www.ebay.com/itm/CY7C68013A-56-EZ-USB-FX2LP-USB2-0-Develope-Board-Module-Logic-Analyzer-EEPROM-NW/153551608305 (that gives you 24MHz unbuffered sampling, for as long as your PC can stream out the data in realtime) For scopes, I often prefer to have the immediacy of having a separate display with knobs to twiddle - having to use a PC app would get in the way, I think. Most of the cost is in the analogue and sampling frontend, so the display doesn't cost very much extra. Theo
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| From | Chris <xxx.syseng.yyy@gfsys.co.uk> |
|---|---|
| Date | 2020-10-31 00:21 +0000 |
| Message-ID | <rnialf$fpb$1@gioia.aioe.org> |
| In reply to | #30035 |
On 10/30/20 03:17, Rick C wrote: > I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an attached scope using the PC for a display. They are no cheaper than the full scopes and good ones may be more expensive. The only ones I've found that are decent are the Pico Technology scopes. Rather pricey. > > Then there are small logic analyzers, again on the PC. One I've seen used is good and not too pricey, but I don't recall the name. My only issue with it is that it doesn't have a Linux driver. I keep wanting to switch to Linux, but this is the sort of thing that holds me back. Ah, found it. LogicPort by Intronix. Not a bad device, but no scope. > > This one is interesting. I'm thinking about the $1100 model, MSO-9201 w/LAPOD meaning it has a 12 bit logic analyzer and not just the scope. Anyone use this? Link Instruments > > https://www.linkinstruments.com/mso9201.htm > > It includes the probes and serial analysis software apparently along with various math operations like spectrum analysis along with data logging. Again no Linux, but not even Win10! > > $325 will get you a 60 MHz bandwidth little brother with an 8 channel logic analyzer. If I can't find anyone who has these devices I think this one is less of a risk and likely the right choice anyway. Other than the much more limited buffer size it's probably enough for my needs anyway. > > Then little brother has a little brother for $249 with only one input channel, but adds a pattern generator (on the logic analyzer port) and TDR. I think I'd still want the two channels. A one channel scope is rather limited. > > I wonder how good the software is. I got a Hantek scope once and couldn't even get the software to run. Zero support... ZERO! I got a full refund because they couldn't track the package and I still have the piece of junk. It's just an MCU on a serial port. > Took a different approach here, never satisfied with second rate test gear, not have the budget for the sort of kit I would want to use and have respect for. Built a up a lab over the years buying s/hand HP, Tek etc and fixing up where needed. Also, multi function gear is always a compromise and often ends up doing nothing very well. If you are a good engineer, you won't be happy with it :-). Most of the kit here is a decade old or much more and some of it is big and klunky, but once fixed up can be relied upon to work whenever needed. At current prices, could spend 100K on test gear and still not have more capability. Ymmv, of course... Chris
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| From | Dave Nadler <drn@nadler.com> |
|---|---|
| Date | 2020-10-30 17:56 -0700 |
| Message-ID | <4a964b00-9034-45fb-a784-4b0631890fdeo@googlegroups.com> |
| In reply to | #30035 |
On Thursday, October 29, 2020 at 11:17:16 PM UTC-4, Rick C wrote: > ... want an attached scope using the PC for a display. I needed a new scope a couple years ago and started down this route. But I really didn't find anything PC-attached and great, so ended up buying a used Keysight MSO-X 3054T. This saves screen-shots to USB stick, which is what I most need for engineering documentation, and has decode for SPI, I2C, CAN, LIN, etc. (decoder is an option, make sure you don't buy a used scope without this stuff). I'm REALLY happy with this scope/analyzer. They are available overhauled/used from Keysight. The decoder is great for debugging drivers, but can't log much stuff if you need that for debugging. So... I just received (Friday) an IKAlogic SP209i (PC-attached) logic analyzer. This can decode just about anything. I haven't had a chance to fire it up and see how it does on some buses here (RS-485 etc). It has programmable scripts so you can add your own decoding and logging. PC software is open source. Hope that helps! Best Regards, Dave
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| From | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| Date | 2020-10-30 20:40 -0700 |
| Message-ID | <e40f30e4-a566-4aa3-972e-5a4da4db045bo@googlegroups.com> |
| In reply to | #30039 |
On Friday, October 30, 2020 at 8:56:33 PM UTC-4, Dave Nadler wrote: > On Thursday, October 29, 2020 at 11:17:16 PM UTC-4, Rick C wrote: > > ... want an attached scope using the PC for a display. > > I needed a new scope a couple years ago and started down this route. > But I really didn't find anything PC-attached and great, so ended up > buying a used Keysight MSO-X 3054T. This saves screen-shots to USB stick, > which is what I most need for engineering documentation, and has decode > for SPI, I2C, CAN, LIN, etc. (decoder is an option, make sure you don't buy > a used scope without this stuff). I'm REALLY happy with this scope/analyzer. > They are available overhauled/used from Keysight. > The decoder is great for debugging drivers, but can't log much stuff > if you need that for debugging. So... > > I just received (Friday) an IKAlogic SP209i (PC-attached) logic analyzer. > This can decode just about anything. I haven't had a chance to fire > it up and see how it does on some buses here (RS-485 etc). It has > programmable scripts so you can add your own decoding and logging. > PC software is open source. > > Hope that helps! > Best Regards, Dave Thanks. Partly I want an attached scope so it is very portable. I think I've given up on shoving anything else in my computer bag, but it would be nice to have a brief case or second computer bag with all the tools I need for debugging boards. The IKAlogic is interesting, but a bit pricey for 9 bits of logic analyzer. One thing I realize it is it's all about the software. If the UI is not so good you won't be happy. As someone has said, they like having knobs to twiddle. I seem to recall reading about someone having a knob bank that would work with one of the attached scopes. Too distant a memory to recall any details. It was a nice job, but the knobs were all generic and uniform. Maybe it was a commercial, generic unit, but I think he built it himself. Not sure how it was interfaced to the software unless the software was open source. -- Rick C. + Get 1,000 miles of free Supercharging + Tesla referral code - https://ts.la/richard11209
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| From | Philip Martel <pmartel@alum.mit.edu> |
|---|---|
| Date | 2020-10-31 14:54 -0400 |
| Message-ID | <jpinH.333082$RY8.51594@fx48.iad> |
| In reply to | #30035 |
On 10/29/2020 23:17, Rick C wrote: > I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an attached scope using the PC for a display. They are no cheaper than the full scopes and good ones may be more expensive. The only ones I've found that are decent are the Pico Technology scopes. Rather pricey. > > Then there are small logic analyzers, again on the PC. One I've seen used is good and not too pricey, but I don't recall the name. My only issue with it is that it doesn't have a Linux driver. I keep wanting to switch to Linux, but this is the sort of thing that holds me back. Ah, found it. LogicPort by Intronix. Not a bad device, but no scope. > > This one is interesting. I'm thinking about the $1100 model, MSO-9201 w/LAPOD meaning it has a 12 bit logic analyzer and not just the scope. Anyone use this? Link Instruments > > https://www.linkinstruments.com/mso9201.htm > > It includes the probes and serial analysis software apparently along with various math operations like spectrum analysis along with data logging. Again no Linux, but not even Win10! > > $325 will get you a 60 MHz bandwidth little brother with an 8 channel logic analyzer. If I can't find anyone who has these devices I think this one is less of a risk and likely the right choice anyway. Other than the much more limited buffer size it's probably enough for my needs anyway. > > Then little brother has a little brother for $249 with only one input channel, but adds a pattern generator (on the logic analyzer port) and TDR. I think I'd still want the two channels. A one channel scope is rather limited. > > I wonder how good the software is. I got a Hantek scope once and couldn't even get the software to run. Zero support... ZERO! I got a full refund because they couldn't track the package and I still have the piece of junk. It's just an MCU on a serial port. > I purchased a Labnation Smart Scope a few years back. I've run it under Win 7 and Win 10 but it does have software for Debian and Ubuntu listed. $229. https://www.lab-nation.com/#specifications Best wishes, --Phil
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| From | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| Date | 2020-11-04 20:13 -0800 |
| Message-ID | <56b82e62-c2f8-4523-9e9f-2d5ba7d32f13o@googlegroups.com> |
| In reply to | #30041 |
On Saturday, October 31, 2020 at 2:54:13 PM UTC-4, Philip Martel wrote: > On 10/29/2020 23:17, Rick C wrote: > > I will be working from home to help an open ventilator project and want to acquire some tools. I've needed a new scope for some time, but want an attached scope using the PC for a display. They are no cheaper than the full scopes and good ones may be more expensive. The only ones I've found that are decent are the Pico Technology scopes. Rather pricey. > > > > Then there are small logic analyzers, again on the PC. One I've seen used is good and not too pricey, but I don't recall the name. My only issue with it is that it doesn't have a Linux driver. I keep wanting to switch to Linux, but this is the sort of thing that holds me back. Ah, found it. LogicPort by Intronix. Not a bad device, but no scope. > > > > This one is interesting. I'm thinking about the $1100 model, MSO-9201 w/LAPOD meaning it has a 12 bit logic analyzer and not just the scope. Anyone use this? Link Instruments > > > > https://www.linkinstruments.com/mso9201.htm > > > > It includes the probes and serial analysis software apparently along with various math operations like spectrum analysis along with data logging. Again no Linux, but not even Win10! > > > > $325 will get you a 60 MHz bandwidth little brother with an 8 channel logic analyzer. If I can't find anyone who has these devices I think this one is less of a risk and likely the right choice anyway. Other than the much more limited buffer size it's probably enough for my needs anyway. > > > > Then little brother has a little brother for $249 with only one input channel, but adds a pattern generator (on the logic analyzer port) and TDR. I think I'd still want the two channels. A one channel scope is rather limited. > > > > I wonder how good the software is. I got a Hantek scope once and couldn't even get the software to run. Zero support... ZERO! I got a full refund because they couldn't track the package and I still have the piece of junk. It's just an MCU on a serial port. > > > I purchased a Labnation Smart Scope a few years back. I've run it under > Win 7 and Win 10 but it does have software for Debian and Ubuntu listed. > $229. https://www.lab-nation.com/#specifications > Best wishes, > --Phil Also iOS and Android. Interesting. Only 30 MHz though. $230 seems a bit much for 30 MHz, but it does seem quality. They sell a nice looking digital cable for $35, but give a crappy Dupont, separate pin connectors cable with the unit. I'll think about this. I really wanted something with a bit faster scope. At least the logic analyzer runs at 100 MHz. Thanks, -- Rick C. -- Get 1,000 miles of free Supercharging -- Tesla referral code - https://ts.la/richard11209
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| From | kegs@provalid.com (Kent Dickey) |
|---|---|
| Date | 2020-11-13 17:10 -0600 |
| Message-ID | <T8SdnVr8lYgfjzLCnZ2dnUU7-dnNnZ2d@giganews.com> |
| In reply to | #30045 |
In article <56b82e62-c2f8-4523-9e9f-2d5ba7d32f13o@googlegroups.com>, Rick C <gnuarm.deletethisbit@gmail.com> wrote: >On Saturday, October 31, 2020 at 2:54:13 PM UTC-4, Philip Martel wrote: >> On 10/29/2020 23:17, Rick C wrote: >> > I will be working from home to help an open ventilator project and >want to acquire some tools. I've needed a new scope for some time, but >want an attached scope using the PC for a display. They are no cheaper >than the full scopes and good ones may be more expensive. The only ones >I've found that are decent are the Pico Technology scopes. Rather >pricey. >> > >> > Then there are small logic analyzers, again on the PC. One I've >seen used is good and not too pricey, but I don't recall the name. My >only issue with it is that it doesn't have a Linux driver. I keep >wanting to switch to Linux, but this is the sort of thing that holds me >back. Ah, found it. LogicPort by Intronix. Not a bad device, but no >scope. I've had good luck in the past buying used HP 20+ year old test equipment on ebay. (It was named HP, then Agilent, now Keysight, which is kinda handy when searching, you get to pick the age of the equipment through the name). The HP16500C supports sending the display over X windows (so you can control it from your desk), and I think it supports NFS mounting so you can get at the trace data. It supports 5 plug in cards. The 16534a is the 2GSa/s 500MHz scope card which gives you two probes, and is about $500 or so. It's excellent. The 16555A cards are logic analyzer cards with 1 million states deep at 125MHz (250MHz if you lose half the channels, and 500MHz fixed sampling clock which is useful to see which signals are transitioning later/earlier than others on a bus). HP Logic Analyzers have very good triggering and selective trace capture ability. Try to get the 16555A already installed as a group in a chassis since there are special connectors to "gang" them together which you'll want. The 16500B chassis doesn't have the X windows or NFS support, so it's a lot less useful. I picked HP 16500C since I'd used it before--so think of something you used and liked that was new 20 years ago, and buy a used version of that. Everything is 20x-50x cheaper than new, which makes it a great deal. You're taking some risk on ebay, but it looks like you can get 4x 16555A in a 16500C chassis for under $500. I found one for sale near me 10 years ago and picked it up in person. (This stuff is heavy--I'd be wary of shipping damage). Quality used equipment from 20-25 years ago is better than cheap crap today. To be safe, I bought two of everything I wanted--one system was perfect, the other had some minor annoyances. It looks like the PicoScope 6000 new is 5GSa/s at 500MHz with 2 channels for $6916. The 25 year old HP equipment is almost as good (half the sampling rate) for 1/10th the price. Kent
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| From | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| Date | 2020-11-15 19:43 -0800 |
| Message-ID | <1cfad111-9bba-408a-8168-a9221891ec1dn@googlegroups.com> |
| In reply to | #30067 |
On Friday, November 13, 2020 at 6:11:08 PM UTC-5, Kent Dickey wrote: > In article <56b82e62-c2f8-4523...@googlegroups.com>, > Rick C <gnuarm.del...@gmail.com> wrote: > >On Saturday, October 31, 2020 at 2:54:13 PM UTC-4, Philip Martel wrote: > >> On 10/29/2020 23:17, Rick C wrote: > >> > I will be working from home to help an open ventilator project and > >want to acquire some tools. I've needed a new scope for some time, but > >want an attached scope using the PC for a display. They are no cheaper > >than the full scopes and good ones may be more expensive. The only ones > >I've found that are decent are the Pico Technology scopes. Rather > >pricey. > >> > > >> > Then there are small logic analyzers, again on the PC. One I've > >seen used is good and not too pricey, but I don't recall the name. My > >only issue with it is that it doesn't have a Linux driver. I keep > >wanting to switch to Linux, but this is the sort of thing that holds me > >back. Ah, found it. LogicPort by Intronix. Not a bad device, but no > >scope. > I've had good luck in the past buying used HP 20+ year old test equipment on > ebay. (It was named HP, then Agilent, now Keysight, which is kinda handy > when searching, you get to pick the age of the equipment through the name). > The HP16500C supports sending the display over X windows (so you can control > it from your desk), and I think it supports NFS mounting so you can get > at the trace data. It supports 5 plug in cards. The 16534a is the > 2GSa/s 500MHz scope card which gives you two probes, and is about $500 or so. > It's excellent. The 16555A cards are logic analyzer cards with 1 million > states deep at 125MHz (250MHz if you lose half the channels, and 500MHz fixed > sampling clock which is useful to see which signals are transitioning > later/earlier than others on a bus). HP Logic Analyzers have very good > triggering and selective trace capture ability. Try to get the > 16555A already installed as a group in a chassis since there are special > connectors to "gang" them together which you'll want. The 16500B chassis > doesn't have the X windows or NFS support, so it's a lot less useful. > > I picked HP 16500C since I'd used it before--so think of something you > used and liked that was new 20 years ago, and buy a used version of that. > Everything is 20x-50x cheaper than new, which makes it a great deal. > > You're taking some risk on ebay, but it looks like you can get 4x 16555A > in a 16500C chassis for under $500. I found one for sale near me 10 years ago > and picked it up in person. (This stuff is heavy--I'd be wary of shipping > damage). Quality used equipment from 20-25 years ago is better than cheap > crap today. > > To be safe, I bought two of everything I wanted--one system was perfect, the > other had some minor annoyances. > > It looks like the PicoScope 6000 new is 5GSa/s at 500MHz with 2 channels > for $6916. The 25 year old HP equipment is almost as good (half the > sampling rate) for 1/10th the price. > > Kent Thanks for the suggestions. I used one of those HP logic analyzers complete with a floppy disk drive, MANY years ago. You picked the top end PicoScope to compare to. The problem is the HP16500 would barely fit in my car without breaking an axle while the PicoScope will fit in my computer bag! In the winter I might have to turn off the HP during my electricity peak billing time and in the summer I'd have to chill the house in the AM to keep the temperatures down in the afternoon. lol, just kidding of course, but they do use a lot of power which gets turned into heat. At this moment, the laptop is the highest power drain that's running. I'd like to keep it that way. Heck, I'm considering replacing my fridge because the web says buying a new one will save enough electricity to pay for itself in five years or less. It's 30 years old too. -- Rick C. -+ Get 1,000 miles of free Supercharging -+ Tesla referral code - https://ts.la/richard11209
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| From | Brett <ggtgp@yahoo.com> |
|---|---|
| Date | 2020-11-16 19:31 +0000 |
| Message-ID | <rouk2f$j6v$1@dont-email.me> |
| In reply to | #30070 |
Rick C <gnuarm.deletethisbit@gmail.com> wrote: > On Friday, November 13, 2020 at 6:11:08 PM UTC-5, Kent Dickey wrote: >> In article <56b82e62-c2f8-4523...@googlegroups.com>, >> Rick C <gnuarm.del...@gmail.com> wrote: >>> On Saturday, October 31, 2020 at 2:54:13 PM UTC-4, Philip Martel wrote: >>>> On 10/29/2020 23:17, Rick C wrote: >>>>> I will be working from home to help an open ventilator project and >>> want to acquire some tools. I've needed a new scope for some time, but >>> want an attached scope using the PC for a display. They are no cheaper >>> than the full scopes and good ones may be more expensive. The only ones >>> I've found that are decent are the Pico Technology scopes. Rather >>> pricey. >>>>> >>>>> Then there are small logic analyzers, again on the PC. One I've >>> seen used is good and not too pricey, but I don't recall the name. My >>> only issue with it is that it doesn't have a Linux driver. I keep >>> wanting to switch to Linux, but this is the sort of thing that holds me >>> back. Ah, found it. LogicPort by Intronix. Not a bad device, but no >>> scope. >> I've had good luck in the past buying used HP 20+ year old test equipment on >> ebay. (It was named HP, then Agilent, now Keysight, which is kinda handy >> when searching, you get to pick the age of the equipment through the name). >> The HP16500C supports sending the display over X windows (so you can control >> it from your desk), and I think it supports NFS mounting so you can get >> at the trace data. It supports 5 plug in cards. The 16534a is the >> 2GSa/s 500MHz scope card which gives you two probes, and is about $500 or so. >> It's excellent. The 16555A cards are logic analyzer cards with 1 million >> states deep at 125MHz (250MHz if you lose half the channels, and 500MHz fixed >> sampling clock which is useful to see which signals are transitioning >> later/earlier than others on a bus). HP Logic Analyzers have very good >> triggering and selective trace capture ability. Try to get the >> 16555A already installed as a group in a chassis since there are special >> connectors to "gang" them together which you'll want. The 16500B chassis >> doesn't have the X windows or NFS support, so it's a lot less useful. >> >> I picked HP 16500C since I'd used it before--so think of something you >> used and liked that was new 20 years ago, and buy a used version of that. >> Everything is 20x-50x cheaper than new, which makes it a great deal. >> >> You're taking some risk on ebay, but it looks like you can get 4x 16555A >> in a 16500C chassis for under $500. I found one for sale near me 10 years ago >> and picked it up in person. (This stuff is heavy--I'd be wary of shipping >> damage). Quality used equipment from 20-25 years ago is better than cheap >> crap today. >> >> To be safe, I bought two of everything I wanted--one system was perfect, the >> other had some minor annoyances. >> >> It looks like the PicoScope 6000 new is 5GSa/s at 500MHz with 2 channels >> for $6916. The 25 year old HP equipment is almost as good (half the >> sampling rate) for 1/10th the price. >> >> Kent > > Thanks for the suggestions. I used one of those HP logic analyzers > complete with a floppy disk drive, MANY years ago. You picked the top > end PicoScope to compare to. The problem is the HP16500 would barely fit > in my car without breaking an axle while the PicoScope will fit in my computer bag! > > In the winter I might have to turn off the HP during my electricity peak > billing time and in the summer I'd have to chill the house in the AM to > keep the temperatures down in the afternoon. lol, just kidding of > course, but they do use a lot of power which gets turned into heat. At > this moment, the laptop is the highest power drain that's running. I'd > like to keep it that way. Heck, I'm considering replacing my fridge > because the web says buying a new one will save enough electricity to pay > for itself in five years or less. It's 30 years old too. > The new fridge will fail in 5 years, planned obsolescence. And the cost to run for your old fridge is a lie to get you to buy a new one.
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| From | Rick C <gnuarm.deletethisbit@gmail.com> |
|---|---|
| Date | 2020-11-17 01:50 -0800 |
| Message-ID | <853a5068-ca9e-4798-9ac9-33175312ff45n@googlegroups.com> |
| In reply to | #30071 |
On Monday, November 16, 2020 at 2:31:34 PM UTC-5, Brett wrote: > Rick C <gnuarm.del...@gmail.com> wrote: > > On Friday, November 13, 2020 at 6:11:08 PM UTC-5, Kent Dickey wrote: > >> In article <56b82e62-c2f8-4523...@googlegroups.com>, > >> Rick C <gnuarm.del...@gmail.com> wrote: > >>> On Saturday, October 31, 2020 at 2:54:13 PM UTC-4, Philip Martel wrote: > >>>> On 10/29/2020 23:17, Rick C wrote: > >>>>> I will be working from home to help an open ventilator project and > >>> want to acquire some tools. I've needed a new scope for some time, but > >>> want an attached scope using the PC for a display. They are no cheaper > >>> than the full scopes and good ones may be more expensive. The only ones > >>> I've found that are decent are the Pico Technology scopes. Rather > >>> pricey. > >>>>> > >>>>> Then there are small logic analyzers, again on the PC. One I've > >>> seen used is good and not too pricey, but I don't recall the name. My > >>> only issue with it is that it doesn't have a Linux driver. I keep > >>> wanting to switch to Linux, but this is the sort of thing that holds me > >>> back. Ah, found it. LogicPort by Intronix. Not a bad device, but no > >>> scope. > >> I've had good luck in the past buying used HP 20+ year old test equipment on > >> ebay. (It was named HP, then Agilent, now Keysight, which is kinda handy > >> when searching, you get to pick the age of the equipment through the name). > >> The HP16500C supports sending the display over X windows (so you can control > >> it from your desk), and I think it supports NFS mounting so you can get > >> at the trace data. It supports 5 plug in cards. The 16534a is the > >> 2GSa/s 500MHz scope card which gives you two probes, and is about $500 or so. > >> It's excellent. The 16555A cards are logic analyzer cards with 1 million > >> states deep at 125MHz (250MHz if you lose half the channels, and 500MHz fixed > >> sampling clock which is useful to see which signals are transitioning > >> later/earlier than others on a bus). HP Logic Analyzers have very good > >> triggering and selective trace capture ability. Try to get the > >> 16555A already installed as a group in a chassis since there are special > >> connectors to "gang" them together which you'll want. The 16500B chassis > >> doesn't have the X windows or NFS support, so it's a lot less useful. > >> > >> I picked HP 16500C since I'd used it before--so think of something you > >> used and liked that was new 20 years ago, and buy a used version of that. > >> Everything is 20x-50x cheaper than new, which makes it a great deal. > >> > >> You're taking some risk on ebay, but it looks like you can get 4x 16555A > >> in a 16500C chassis for under $500. I found one for sale near me 10 years ago > >> and picked it up in person. (This stuff is heavy--I'd be wary of shipping > >> damage). Quality used equipment from 20-25 years ago is better than cheap > >> crap today. > >> > >> To be safe, I bought two of everything I wanted--one system was perfect, the > >> other had some minor annoyances. > >> > >> It looks like the PicoScope 6000 new is 5GSa/s at 500MHz with 2 channels > >> for $6916. The 25 year old HP equipment is almost as good (half the > >> sampling rate) for 1/10th the price. > >> > >> Kent > > > > Thanks for the suggestions. I used one of those HP logic analyzers > > complete with a floppy disk drive, MANY years ago. You picked the top > > end PicoScope to compare to. The problem is the HP16500 would barely fit > > in my car without breaking an axle while the PicoScope will fit in my computer bag! > > > > In the winter I might have to turn off the HP during my electricity peak > > billing time and in the summer I'd have to chill the house in the AM to > > keep the temperatures down in the afternoon. lol, just kidding of > > course, but they do use a lot of power which gets turned into heat. At > > this moment, the laptop is the highest power drain that's running. I'd > > like to keep it that way. Heck, I'm considering replacing my fridge > > because the web says buying a new one will save enough electricity to pay > > for itself in five years or less. It's 30 years old too. > > > The new fridge will fail in 5 years, planned obsolescence. > And the cost to run for your old fridge is a lie to get you to buy a new > one. This fridge actually did exactly that, died just after the warranty ran out. The installed a new compressor at cost... the price of a new refrigerator. lol. The repaired unit has lasted 30 years so I can't complain too much. Most likely a replacement would simply result in the old unit going in the basement as a back up unit. If it stays plugged in it will mean the electricity cost will simply go UP rather than down by getting a new unit. lol Durn this GG UI... Every time I scroll down a bit to read something, as soon as I start typing it scrolls up to put my typing at the very top of the screen. What is wrong with Google that they would spend time to rewrite the GG UI, making it worse in the process when no one was complaining about how it works? I've noticed any number of changes that simply make the UI less usable with no redeeming quality. -- Rick C. +- Get 1,000 miles of free Supercharging +- Tesla referral code - https://ts.la/richard11209
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| From | Stef <stef33d@yahooI-N-V-A-L-I-D.com.invalid> |
|---|---|
| Date | 2020-11-17 11:14 +0100 |
| Message-ID | <nnd$2822453f$1be7104f@0713bb6ad9a6915b> |
| In reply to | #30073 |
On 2020-11-17 Rick C wrote in comp.arch.embedded: > Durn this GG UI... Every time I scroll down a bit to read something, as soon as I start typing it scrolls up to put my typing at the very top of the screen. What is wrong with Google that they would spend time to rewrite the GG UI, making it worse in the process when no one was complaining about how it works? I've noticed any number of changes that simply make the UI less usable with no redeeming quality. > I see you complain a lot about GG so why not switch to a decent newsreader? (That would get rid of the afwul GG line lengths as well ;-) ) If it is because you would then need news server access, there are free options. There are also paid services that are really cheap if you only use text newsgroups. The one I am using costs me Euro 1,70 a year because that is the minimum year fee they have. If it were only for the amount data, I could probably do with one tenth of that. -- Stef (remove caps, dashes and .invalid from e-mail address to reply by mail) As long as we're going to reinvent the wheel again, we might as well try making it round this time. - Mike Dennison
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| From | Brett <ggtgp@yahoo.com> |
|---|---|
| Date | 2020-11-18 04:14 +0000 |
| Message-ID | <rp272o$ck0$1@dont-email.me> |
| In reply to | #30074 |
Stef <stef33d@yahooI-N-V-A-L-I-D.com.invalid> wrote: > On 2020-11-17 Rick C wrote in comp.arch.embedded: > >> Durn this GG UI... Every time I scroll down a bit to read something, as >> soon as I start typing it scrolls up to put my typing at the very top of >> the screen. What is wrong with Google that they would spend time to >> rewrite the GG UI, making it worse in the process when no one was >> complaining about how it works? I've noticed any number of changes that >> simply make the UI less usable with no redeeming quality. >> > > I see you complain a lot about GG so why not switch to a decent newsreader? > (That would get rid of the afwul GG line lengths as well ;-) ) > > If it is because you would then need news server access, there are free > options. There are also paid services that are really cheap if you only use > text newsgroups. The one I am using costs me Euro 1,70 a year because that is > the minimum year fee they have. If it were only for the amount data, I could > probably do with one tenth of that. > Here is a free Usenet feed for text groups: news.eternal-september.org I use NewsTap on an iPad connected to this.
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| From | George Neuner <gneuner2@comcast.net> |
|---|---|
| Date | 2020-11-17 12:05 -0500 |
| Message-ID | <n208rf9glc9s8g70rn8ne7f7nrdprjlttp@4ax.com> |
| In reply to | #30073 |
On Tue, 17 Nov 2020 01:50:45 -0800 (PST), Rick C <gnuarm.deletethisbit@gmail.com> wrote: >On Monday, November 16, 2020 at 2:31:34 PM UTC-5, Brett wrote: >> Rick C <gnuarm.del...@gmail.com> wrote: >> >> > In the winter I might have to turn off the HP during my electricity peak >> > billing time and in the summer I'd have to chill the house in the AM to >> > keep the temperatures down in the afternoon. lol, just kidding of >> > course, but they do use a lot of power which gets turned into heat. At >> > this moment, the laptop is the highest power drain that's running. I'd >> > like to keep it that way. Heck, I'm considering replacing my fridge >> > because the web says buying a new one will save enough electricity to pay >> > for itself in five years or less. It's 30 years old too. >> > >> The new fridge will fail in 5 years, planned obsolescence. >> And the cost to run for your old fridge is a lie to get you to buy a new >> one. > >This fridge actually did exactly that, died just after the warranty >ran out. The installed a new compressor at cost... the price of a >new refrigerator. lol. The repaired unit has lasted 30 years so I >can't complain too much. That's the scam: energy efficient appliances often have critical components that are under specified for the load ... that's *how* they save electricity. The original components are overworked and fail quickly [sometimes even under warranty]. After-market replacements almost always are better ... but since the replacement is correctly sized for the load, once "fixed" the appliance no longer qualifies for its "energy efficient" rating. George
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| From | Paul Rubin <no.email@nospam.invalid> |
|---|---|
| Date | 2020-11-17 10:06 -0800 |
| Message-ID | <87o8jvameh.fsf@nightsong.com> |
| In reply to | #30075 |
George Neuner <gneuner2@comcast.net> writes: > That's the scam: energy efficient appliances often have critical > components that are under specified for the load ... That's an interesting point. However, regarding fridges and particularly freezers, there's another avenue to energy efficiency: apparently the chest type units are way more efficient than the type with a front door, even if the door stays closed most of the time. They do a better job of keeping heat out, so the motor doesn't have to run nearly as much. I don't know whether more insulation could do the same thing for a front loading design. I tried freezing a ~4 liter pot of water in my supposedly high efficiency fridge and then unplugging it. The resulting block of ice completely melted in just a day or two. That was disappointing.
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| From | George Neuner <gneuner2@comcast.net> |
|---|---|
| Date | 2020-11-17 16:02 -0500 |
| Message-ID | <3qb8rf5ioaqmtpckrvkh8ruaa6vauvs0pd@4ax.com> |
| In reply to | #30076 |
On Tue, 17 Nov 2020 10:06:14 -0800, Paul Rubin
<no.email@nospam.invalid> wrote:
>George Neuner <gneuner2@comcast.net> writes:
>> That's the scam: energy efficient appliances often have critical
>> components that are under specified for the load ...
>
>That's an interesting point. However, regarding fridges and
>particularly freezers, there's another avenue to energy efficiency:
>apparently the chest type units are way more efficient than the type
>with a front door, even if the door stays closed most of the time. They
>do a better job of keeping heat out, so the motor doesn't have to run
>nearly as much. I don't know whether more insulation could do the same
>thing for a front loading design.
You are correct about chest freezers in general being more efficient.
More insulation certainly helps, as does being air-tight. For many
years I have liked Sub-Zero[*] refrigerators and freezers.
Sub-Zero freezers vacuum seal when they are closed: on the bigger
units the door quite strongly resists being opened, and it pulls
strongly for several seconds when closed [you can't just open the door
again if you forgot something, you have to wait until the seal is
stable].
And they maintain -5..+5 degrees Fahrenheit - not exactly "sub zero"
as the name implies, but way below freezing.
The refrigerators don't vacuum seal, but they are heavily insulated
and easily keep stuff near freezing.
[*] https://www.subzero-wolf.com/sub-zero
https://www.subzero-wolf.com/sub-zero/full-size-refrigeration
>I tried freezing a ~4 liter pot of water in my supposedly high
>efficiency fridge and then unplugging it. The resulting block of ice
>completely melted in just a day or two. That was disappointing.
If I freeze water overnight in my 14oz travel mug, it will take over 3
hours in the (comfortable) ~70-F car before I can even take a sip. My
sister is about an ~8 hour drive: if I keep the mug out of the sun, it
will still be partly frozen when I get there.
YMMV,
George
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| From | Jim Jackson <jj@franjam.org.uk> |
|---|---|
| Date | 2020-11-17 22:28 +0000 |
| Message-ID | <slrnrr8jk2.arl.jj@iridium.wf32df> |
| In reply to | #30077 |
> And they maintain -5..+5 degrees Fahrenheit - not exactly "sub zero" > as the name implies, but way below freezing. Funny, to me "sub-zero" just means below freezing. I have to really try and remember what temperature, Fahrenheit, water freezes at! Anybody know of any other countries than the USA that habitually use Fahrenheit? I'm just curious. The UK used to, and no doubt there are many "older" UK people who still use it - but all weather reports etc give temp. in centigrade.
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| From | David Brown <david.brown@hesbynett.no> |
|---|---|
| Date | 2020-11-18 11:11 +0100 |
| Message-ID | <rp2rvu$omq$1@dont-email.me> |
| In reply to | #30081 |
On 17/11/2020 23:28, Jim Jackson wrote: >> And they maintain -5..+5 degrees Fahrenheit - not exactly "sub zero" >> as the name implies, but way below freezing. > > Funny, to me "sub-zero" just means below freezing. I have to really > try and remember what temperature, Fahrenheit, water freezes at! > > Anybody know of any other countries than the USA that habitually use > Fahrenheit? I'm just curious. The UK used to, and no doubt there are > many "older" UK people who still use it - but all weather reports etc > give temp. in centigrade. > It is still used colloquially in the UK for warm weather (like saying "it's in the nineties" to mean it is hot), and probably by some older people for oven temperatures. At least it's a step up from gas marks... A few tiny countries (typically ex-British colonies in the Caribbean) still have weather reports in Fahrenheit, as they get them all from the USA. And I guess older folks there occasionally use it, like in the UK. But AFAIK only the USA has Fahrenheit (and other non-metric units) as standard.
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| From | Tauno Voipio <tauno.voipio@notused.fi.invalid> |
|---|---|
| Date | 2020-11-18 12:40 +0200 |
| Message-ID | <rp2tms$3v4$1@dont-email.me> |
| In reply to | #30084 |
On 18.11.20 12.11, David Brown wrote: > On 17/11/2020 23:28, Jim Jackson wrote: >>> And they maintain -5..+5 degrees Fahrenheit - not exactly "sub zero" >>> as the name implies, but way below freezing. >> >> Funny, to me "sub-zero" just means below freezing. I have to really >> try and remember what temperature, Fahrenheit, water freezes at! >> >> Anybody know of any other countries than the USA that habitually use >> Fahrenheit? I'm just curious. The UK used to, and no doubt there are >> many "older" UK people who still use it - but all weather reports etc >> give temp. in centigrade. >> > > It is still used colloquially in the UK for warm weather (like saying > "it's in the nineties" to mean it is hot), and probably by some older > people for oven temperatures. At least it's a step up from gas marks... > > A few tiny countries (typically ex-British colonies in the Caribbean) > still have weather reports in Fahrenheit, as they get them all from the > USA. And I guess older folks there occasionally use it, like in the UK. > > But AFAIK only the USA has Fahrenheit (and other non-metric units) as > standard. The US Congress decided in 1866 to go metric - a little sluggish implementation. -- -TV
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