hybridfree/eevblog-posts huggingface dataset:
yes, I'm a sucker for bench power supplies - Page 1
Forum section: electronics / general

author: slburris
author_rank: Frequent Contributor
timestamp: February 07, 2011, 04:21:19 am
content: Anyone tried this new power supply Circuit Specialists is carrying?3 outputs programmable, USB and serial interfaces. Ooooh!It's merely expensive at $479 instead of outrageously expensive.I've seen single output programmable supplies in the $200's.I wonder who makes this supply for them? The last supply Igot from them was made by Atten, and it works quite well,but it's not programmable, not that I really need that :-)Scott

author: EEVblog
author_rank: Unknown
timestamp: February 07, 2011, 05:09:17 am
content: That would be a re-badged ATTEN:Dave.
Canadian T.V... "new" Shaw Motorola HD PVR 630.....720 pi or 1080 pi ??? - Page 1
Forum section: electronics / general

author: whitte
author_rank: Contributor
timestamp: February 08, 2011, 03:04:14 am
content: What is the scoop on the "New" $400.00 Shaw HD PVR model Motorola 630 ? Is it the industry standard 720 p or the only kid on the block 1080 p which some people claim ?

author: PeterG
author_rank: Frequent Contributor
timestamp: February 08, 2011, 03:48:29 am
content: Broadcast HD is 720 as far as i know. However some PVR will upscale the resolution to 1080 if used with HDMI much the same as the Foxtel IQ boxes do here in Australia.Regards

author: saturation
author_rank: Super Contributor
timestamp: February 08, 2011, 02:29:42 pm
content: Its better to get a non-cable co. PVR, and this is popular, you can save all you HD to a PC and its HD.http://www.amazon.com/Hauppauge-1212-Definition-Personal-Recorder/dp/B0018LX0DY/ref=sr_1_1?ie=UTF8&qid=1297165313&sr=8-1It also costs $200, tops. With the $CD now >= $US, it's a steal and a better deal for being able to save movies as you want, and burning them to disk and moving them anywhere you want
How do I modify a Farnell 4-6VDC PSU to 0-6VDC? - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: February 06, 2011, 08:28:17 pm
content: Hi guys. this is a PSU I was given:http://www.nelabgear.co.uk/window.asp?id=966It generates 4-6VDC on the left hand side. I want to know whether it is possible (easily) to modify it so that it outputs 0-6VDC instead?Thank you

author: Psi
author_rank: Super Contributor
timestamp: February 07, 2011, 12:15:23 am
content: Impossible to tell without some info/diagrams of whats inside

author: Wim_L
author_rank: Regular Contributor
timestamp: February 07, 2011, 01:56:26 am
content: Short answer: yes, of course.Long answer: yes, but you might end up replacing pretty much everything inside except the transformer. The most likely scenario involves having to add a second, negative power supply in there to provide suitable below zero voltages for the comparator.
How Dave probably Saved My Life - Page 1
Forum section: electronics / general

author: PStevenson
author_rank: Regular Contributor
timestamp: February 05, 2011, 12:14:22 am
content: I thought I would post this as my first post here.as a hobbyist I never gave much thought to the DMM I was using untill I stumbled onto the EEVblog via youtube, I was basically just watching people blow things up with electricity when I came across the EEVblog so I popped over to the site and saw a whole wealth of brilliant videos one being the DMM one where he compares various DMMs from the cheapies off ebay to some more respected ones, so when he mentioned about the lack of protection in the cheaper ones I took my "cat III" rated cheapie apart and saw not a single bit of protection outside of a shit glass fuse on the mA range so I immediatly went out and got a better one with the MOVs and HRC fuses etc.something I do a lot of uses high voltage, up until now I have had no major accidents so now thanks to dave and his brilliant blog (seriously there has not been one that I haven't found interesting or entertaining) I have a new DMM that won't melt my face off should one of my contraptions go wrong.and on a related note.. my favorite quote is "if you don't follow my advice then I hope Darwin sorts you out"

author: EEVblog
author_rank: Unknown
timestamp: February 05, 2011, 01:47:46 am
content: Thumbs up for recognising the potential danger and relevance to the work you do, and doing something about it!Dave.

author: PStevenson
author_rank: Regular Contributor
timestamp: February 05, 2011, 07:19:19 am
content: cheers dude, it is all about safety. I am slightly embarrassed that I never even thought that the DMM could be that dangerous. so keep up the good work !

author: Zero999
author_rank: Super Contributor
timestamp: February 05, 2011, 10:22:30 am
content: Yes some people don't listen.Of course I don't think you should throw your crap DVM away, just only use it on circuits powered by small batteries where the short circuit current won't burn you.

author: PStevenson
author_rank: Regular Contributor
timestamp: February 05, 2011, 02:47:58 pm
content: oh of course I'll keep it for low voltage bitch work. but I ended up getting myself a Fluke, I couldn't afford it but I sold a few bits on ebay and got one because it really isn't worth being without a safe reliable meter and I will be saving up for one of the 87 series Flukes so that I can retire the carboot sale HP meter I have from the 70's
dave, these people want the planes back - Page 1
Forum section: electronics / general

author: Mechatrommer
author_rank: Super Contributor
timestamp: February 08, 2011, 07:43:27 pm
content: i saw a tit! good bedtime story though.

author: Unknown
author_rank: Unknown
timestamp: February 08, 2011, 09:15:12 pm
content: Dave now responsible for withholding cargo planes on another continent?PNG natives confused with aborigines?There sure are some "out there" theories doing the rounds.But then when so many in the world are geographically challenged it is understandable how these mix-ups can occur.

author: tyblu
author_rank: Frequent Contributor
timestamp: February 08, 2011, 10:01:40 pm
content: that's kinda sad. Wonder if anyone ever planted a Cessna on some of those strips.

author: Sionyn
author_rank: Frequent Contributor
timestamp: February 09, 2011, 12:28:03 am
content: ah i think i gethttp://www.liveleak.com/view?i=2f8_1217100009
ZTEX? - Page 1
Forum section: electronics / general

author: pb
author_rank: Contributor
timestamp: February 05, 2011, 04:48:31 am
content: Anyone know much about these fpga boards? Saw them pop up on ebay in my recent fpga searches.http://www.ztex.de/Curious about peoples' thoughts...Paul

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: February 05, 2011, 10:24:40 am
content: I'm always amazed by how many different FPGA boards there are out there - OK FPGAs are hard to breadboard but there seem to be a ridiculous number of vendors out there. At least it means you'll probably find exactly teh mix of hardware you're looking for.Here are a few more from my bookmark listhttp://shop.trenz-electronic.dehttp://www.enterpoint.co.uk/boardproducts.htmlhttp://www.oho-elektronik.de/index.php?c=1&s=product1http://www.orangetreetech.com/fpga_board_zestsc1.htmlhttp://www.dlpdesign.com/fpga/http://www.sparkfun.com/categories/136http://www.digilentinc.com/Products/Catalog.cfm?NavPath=2,400&Cat=10http://www.easyfpga.com/
How to Make An Integrated Circuit (in 1967) - Page 1
Forum section: electronics / general

author: Zad
author_rank: Super Contributor
timestamp: February 04, 2011, 03:31:13 pm
content: A fascinating look at the world of semiconductors from 1967. It is amazing how far they had come, but also how far they had to go! For all it's age, it is a pretty good instructional video.It is interesting how they already see 1960 devices as "prehistoric". But look at the masks! I think they were drawn by someone with an LSD dependency. Wires are more like random wedges, and so much silicon real estate is being wasted. Given the (hand made) tiny silicon wafer size, you'd think they would want to save as much space as possible.

author: ElektroQuark
author_rank: Unknown
timestamp: February 04, 2011, 03:37:12 pm
content: #Invalid YouTube Link#I have seen this in a couple of post, what's the problem with YouTube?

author: Zad
author_rank: Super Contributor
timestamp: February 04, 2011, 03:39:34 pm
content: Weird, I took the  tags off it and it embeds the video just fine!

author: glossywhite
author_rank: Regular Contributor
timestamp: February 04, 2011, 03:50:25 pm
content: This is ground that has already been covered,andrecently:https://www.eevblog.com/forum/index.php?topic=2322.msg31602#msg31602Same video.

author: ElektroQuark
author_rank: Unknown
timestamp: February 04, 2011, 03:58:51 pm
content: Yes. I missed the other thread.Moderators, please, delete this, if Zad agree, of course.Thanks for the the links, both Zad and glossy, very interesting.

author: Zad
author_rank: Super Contributor
timestamp: February 04, 2011, 04:12:46 pm
content: Why? what harm is it doing?

author: ElektroQuark
author_rank: Unknown
timestamp: February 04, 2011, 04:37:10 pm
content: Sorry, in all boards I post the duplicated threads are deleted. This helps looking for the information.But it is only my opinion of course.

author: Zero999
author_rank: Super Contributor
timestamp: February 04, 2011, 09:25:42 pm
content: Interesting, I missed the other time it was posted.I'm also interested at when they moved production over to Mexico and south east Asia. I can see from the video that some parts of the process are very labour intensive so it probably didn't take long for them to figure out it's cheaper to make in countries with cheap labour. I've seen some ICs from the 70s which were made in Malaysia and Mexico.Does anyone know anything about the history of chip on board technology? i've not seen it in anything manufactured before the mid 80s and didn't become popular until the 90s so my guess is it was developed late 70s early 80s. I've heard people on forums criticising it and it does seem to be more common in cheaper electronics but I'm all for it as it reduces cost and may increase reliability if they're are less solder connections to go wrong but I don't really know if the latter is true.
HP ships a power cord - Page 1
Forum section: electronics / general

author: Wartex
author_rank: Frequent Contributor
timestamp: February 04, 2011, 10:18:17 pm
content: http://forum.notebookreview.com/hp-compaq/409825-hps-ridiculous-shipment-packaging.html

author: Zero999
author_rank: Super Contributor
timestamp: February 04, 2011, 10:27:01 pm
content: Lol the shipping and packing cost more than the contents, I hope they loose lots of money.

author: johnmx
author_rank: Frequent Contributor
timestamp: February 04, 2011, 10:46:58 pm
content: WTF?!?!That's completely stupid.

author: williefleete
author_rank: Regular Contributor
timestamp: February 05, 2011, 05:05:39 am
content: i once ordered some 75 ohm resistors and some coax at one stage, the coax came in a bag and the 5 pack of resistors came in this monstrous (relatively speaking) box with air bags and the tiny little baggy with 5 resistors in it at the bottom

author: Kiriakos-GR
author_rank: Super Contributor
timestamp: February 05, 2011, 06:58:31 am
content: Hey I am member there ...unofficial ACER support teamhttp://forum.notebookreview.com/acer/284607-erecovery-basics-_-win-xp-_-acer-notebooks.html

author: metalphreak
author_rank: Frequent Contributor
timestamp: February 05, 2011, 08:13:07 am
content: I bought 30 sticks of ram off HP, and each one came in its own cardboard box, 35x20x8cm, full of bubble wrap.The most ironic part, is the box has "For a better environment this container was not bleached white" on it...

author: Bored@Work
author_rank: Super Contributor
timestamp: February 05, 2011, 09:16:42 am
content: Typical HP.The British online rag The Register once had kind of a competition who can come up with the most ridiculous HP packaging.E.g. 17 cardboard boxes to deliver 32 pieces of paper:http://www.theregister.co.uk/2008/07/18/hp_packaging/A mouse strapped to a pallet:http://www.theregister.co.uk/2008/07/23/enormouse/A single DIMM:http://www.theregister.co.uk/2008/11/21/more_hp_packaging/These days HP is run by idiots getting high on their printer ink (question: do they drink, sniff, smoke or infuse it?) and breaking the law (http://en.wikipedia.org/wiki/Hewlett-Packard_spying_scandal). And what was good about HP got the stupid Agilent name. As they say here "Agilent? Isn't that a laxative?".

author: glossywhite
author_rank: Regular Contributor
timestamp: February 05, 2011, 12:15:43 pm
content: http://www.theregister.co.uk/2009/07/29/aboxalypse_now/http://www.treehugger.com/files/2009/07/hp-tops-its-own-woeful-packaging-record.phphttp://www.theregister.co.uk/2008/12/12/dell_packaging/http://ecoble.com/2009/04/21/10-ridiculous-wastes-of-packaging-materials-and-how-to-stop-it/http://www.theregister.co.uk/2008/12/05/yet_more_hp_packaging/http://www.theregister.co.uk/2008/12/12/dell_packaging/page4.htmlWant more? I can find more...
Ubertooth - Open Source Bluetooth sniffer - Page 1
Forum section: electronics / general

author: TheDirty
author_rank: Frequent Contributor
timestamp: February 04, 2011, 03:06:51 am
content: Thought this was an interesting project. I put some money down to support it. It's an open source Bluetooth USB stick with passive monitoring support.Schmoocon interview describing the project: (starts 55 seconds in)Project page:http://ubertooth.sourceforge.net/On a side note, the Kickstarter website looks like an interesting way to look for project funding as well. Looks like most of it is all arts based, though.Kickstarter project page:http://www.kickstarter.com/projects/mossmann/ubertooth-one-an-open-source-bluetooth-test-tool

author: PeterG
author_rank: Frequent Contributor
timestamp: February 04, 2011, 09:58:19 am
content: I am wondering what the difference is between this and the standard bluetooth dongles they use with linux for "Sniffing"?Regards

author: TheDirty
author_rank: Frequent Contributor
timestamp: February 04, 2011, 01:02:41 pm
content: Quote from: Darkman1969 on February 04, 2011, 09:58:19 amWatch the video. Right at the very beginning of the interview.

author: TheDirty
author_rank: Frequent Contributor
timestamp: February 04, 2011, 04:00:35 pm
content: A video of his Schmoocon presentation was just put up. It's really long for us ADD internet users, but it's an interesting description of the project from start to finish, with a more technical discussion about the Bluetooth monitor mode challenges.I'd embed the video, but I can't figure out where it's hosted for a direct link. It's not Youtube or Vimeo.http://www.kickstarter.com/projects/mossmann/ubertooth-one-an-open-source-bluetooth-test-tool/posts/52542

author: Sionyn
author_rank: Frequent Contributor
timestamp: February 04, 2011, 04:54:58 pm
content: as dave says'one hacker can change the world'
Solder wire (60/38/2) - Page 1
Forum section: electronics / general

author: Medo
author_rank: Regular Contributor
timestamp: January 17, 2011, 05:27:02 pm
content: Hi,I saw 60/38/2 (Sn/Pb/Cu) solder available at my electronic store. It's price is significantly higher (3x) than standard 60/40 that I use so I was wondering what are general experiences with it. I would use it mostly for through-hole soldering with short excursions into SMD land.

author: DJPhil
author_rank: Frequent Contributor
timestamp: January 17, 2011, 06:49:36 pm
content: The 2% copper stuff is an old mix that was used to prolong the life of old copper soldering iron tips. It was often sold as 'low wear' solder or something like it. I'd guess that nowadays it's nothing special, though it might be a bit better at soldering extremely fine copper wire that will be under frequent mechanical stresses or high temperature. With the copper impurity already included it's less likely to slowly absorb copper over time, still, it's not a problem very often.Hope that helps.

author: Medo
author_rank: Regular Contributor
timestamp: January 17, 2011, 11:30:36 pm
content: Thanks. I think that I will stick to 60/40 then.

author: vr2whf
author_rank: Contributor
timestamp: February 03, 2011, 04:44:08 pm
content: Yes, the silver solder is significantly more expensive. Many hifi hobbyist loves to use silver solder, because they believe it improves the current conduction and delivers "better" sound.Many unleaded solder also contains silver but it's not for "sound better" purpose. But, some of the hobbyist abuses it.Quote from: Medo on January 17, 2011, 05:27:02 pm
Tough inexpensive quality analog Multimeter suggestions ??? - Page 1
Forum section: electronics / general

author: whitte
author_rank: Contributor
timestamp: January 30, 2011, 06:44:40 pm
content: Looking for suggestions for a good tough inexpensive analog multimeter to use in the field for H.D. and Automotive mechanical work.....something available in Canada/U.S......the Sanwa YX360TRF has been suggested due to it`s extreme durability and low cost...however try and find a retailer in North America.I own a Simpson 260 and very pleased with it......not the kind of thing to be taking out in the weather doing field work !!!Suggestions ?

author: saturation
author_rank: Super Contributor
timestamp: January 30, 2011, 07:29:51 pm
content: Hello,Did you try the US link I posted earlier? I can't believe the price, but worth exploring:http://www.homeschoolingsupply.com/united-scientific/science-equipment-fis-yx360trf.htmA Canadian source I recall is:http://www.bhumika.ca/instrumentations/amt/yx-360trd.htmI recall the going rate is about $30 US, many sell it for 2-3x that so FYI.Good hunting. Beware of sellers passing off the counterfeit meter as the real thing.

author: whitte
author_rank: Contributor
timestamp: January 30, 2011, 08:04:38 pm
content: Just checked the U.S. link at $22.97 & $12.90 shipping......cheap alright....they don`t take Pay-pal outside of the US........the Canadian source I will have to call......no on-line purchasing from what I see......looking better, I may have one of these meters yet....or a couple at that price.W.W.

author: saturation
author_rank: Super Contributor
timestamp: January 30, 2011, 08:38:43 pm
content: 2 Other options:http://www.directindustry.com/prod/sanwa-electric-instrument/analog-multimeters-33114-235347.htmlAnd the home page in Japan, just follow to US and Canadian distributors:http://www.sanwa-meter.co.jp/Good luck again, keep us posted and review it for us if you get it, please.

author: EEVblog
author_rank: Unknown
timestamp: January 30, 2011, 08:48:33 pm
content: Not cheap, but can survive a 1m drop.http://www.tequipment.net/Hioki3030-10.htmlInterestingly BK Precision make a pocket analog meter:http://www.bkprecision.com/products/model/117B/analog-pocket-meter.htmlLooks like many still make them:http://www.testequipmentdepot.com/newequipment/analogmultimeters.htmExtech, Amprobe, Uei, Ideal:http://www.testequipmentdepot.com/ideal/multimeters/61-610.htmhttp://www.testequipmentdepot.com/uei/analog-multimeters/index.htmhttp://www.testequipmentdepot.com/extech/multimeters/38073.htmhttp://www.testequipmentdepot.com/amprobe/multimeters/am8c.htmDave.

author: whitte
author_rank: Contributor
timestamp: February 03, 2011, 01:47:00 am
content: Bought a B.K. with 12A DC fused range........should be good now.
Want to take apart a "Flip Chip" GPU - which solvent will disolve the resin? - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: February 01, 2011, 04:40:16 pm
content: HelloI wish to take apart a "Flip Chip" GPU of the type found in modern graphics cards, where the die is flipped face-down onto the green substrate. Does anyone know what resin they use to bond the die to the substrate, and how I may dissolve it, so that I may remove the die to inspect it?GPU shown here:
Why does MPLAM SIM stop animating when I fire pin stimuli? - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 29, 2011, 02:40:41 pm
content: Hi folks!Does anyone happen to know why MPLAM SIM will stop animating when I press [ >] fire, on pin stimulus? It is merrily dancing about it's registers in front of me, but as soon as I click on stimulus window or fire button.. it stops!thankies Meant to say that this only happens when importing HEX, not plain source ASM.

author: mcu
author_rank: Newbie
timestamp: January 30, 2011, 01:31:19 am
content: Sometimes breakpoints can still have an effect after they are removed. Click the red breakpoint icon and delete any breakpoints that come up.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 30, 2011, 03:19:09 pm
content: Quote from: mcu on January 30, 2011, 01:31:19 amNope, I have no breakpoints at all.
Tegam - Page 1
Forum section: electronics / general

author: PetrosA
author_rank: Frequent Contributor
timestamp: January 30, 2011, 06:09:21 am
content: I was following some links about various voltage testers and found this company which I'd never heard of:http://www.tegam.com/Their voltage testers are VERY basic "safety" testers for electricians, but it also looks like they make stuff that the electronics workbench might be interested in. Just thought I'd throw up a link in case...

author: Kiriakos-GR
author_rank: Super Contributor
timestamp: January 30, 2011, 10:01:15 am
content: At this time I will act like a child and just rant ..They do not offer the PDF manuals of the products freely !!And by this link , I found who gave at the American Army , all those unsafe garbage as leads,that now can be found on ebay cheaply , because the American army liquidates ,all this materials. ( they got better ones)Last picture on the pdf..http://www.tegam.com/PDF_Files/Resources/Voltmeter_Accessories.pdfThe leads on ebay ...https://www.eevblog.com/forum/index.php?topic=448.msg4839#msg4839
Can anyone recommend flowchart software to convert ASM to flowchart for PIC? - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 28, 2011, 03:16:58 pm
content: Hello guysI have a nested delay loop in PIC ASM, which I know is pretty simple, but I just can't visualise the exact mechanicsas a wholein my mind.Would anyone be able to recommend some simple software that can generate a flowchart from PIC assembly code?I know this code is trivial, but visualising just this single block in my program is driving me mad!Thank you, as ever

author: Unknown
author_rank: Unknown
timestamp: January 28, 2011, 07:37:52 pm
content: I doubt anything like this exists, especially for assembly. The lower level the language, the harder it is to analyze. Drawing the flow chart yourself is probably the best solution, especially since this really helps your understanding of the problem. You could run the code in a simulator/debugger to get a feel for execution flow. I used to draw lots of diagrams with pencil and paper back when I was still coding assembly.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 28, 2011, 11:47:59 pm
content: Quote from: alm on January 28, 2011, 07:37:52 pmYes, you're right! I think I just was having "one of those days" you know? Mental blocks galore.Thank you for replyingHave a great weekend!
Breadboard Linear Amplifier  - Page 1
Forum section: electronics / general

author: Sionyn
author_rank: Frequent Contributor
timestamp: January 28, 2011, 11:13:58 pm
content: pure awesomeness

author: Time
author_rank: Frequent Contributor
timestamp: January 28, 2011, 11:33:48 pm
content: I think a good amount of people here browse hackaday too

author: orbiter
author_rank: Frequent Contributor
timestamp: January 28, 2011, 11:41:40 pm
content: When I first saw that calculator I thought.. Aren't his hands small
PICKit 2 Debug Express & PICKit 3 Debug express, taken apart and photographed - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: February 01, 2011, 10:29:15 pm
content: What do you do when you can't find decent images of technology taken apart? Take your OWN of course!I own both the PICKit 2 Debug Expressandthe PICKit 3 Debug Express, so I decided that I'd get them naked, and take some decent photos:PICKit 2 Debug Express:http://www.flickr.com/photos/22008695@N03/sets/72157625956610906/PICKit 3 Debug Express:http://www.flickr.com/photos/22008695@N03/sets/72157625831333553/I hope these help you all.

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: February 01, 2011, 10:53:40 pm
content: What really annoys me is when they go to all that trouble designing a funky case and graphics, and then don't bother to print something really useful like the connector pinouts on the case- idiots.

author: glossywhite
author_rank: Regular Contributor
timestamp: February 01, 2011, 10:57:52 pm
content: Quote from: mikeselectricstuff on February 01, 2011, 10:53:40 pmICSP, logic probe mode, UART mode or all three? The pinout is in the software, and if you can't work out a pinout for a widely documented standard (ICSP) then I don't think you ought to be messing with electronics!

author: Mechatrommer
author_rank: Super Contributor
timestamp: February 02, 2011, 01:58:39 am
content: you just messing around with it. i'm glad if you can blow something.lemme guess... 2 in 1 price right?

author: glossywhite
author_rank: Regular Contributor
timestamp: February 02, 2011, 02:38:47 am
content: Quote from: Mechatrommer on February 02, 2011, 01:58:39 am?

author: Mechatrommer
author_rank: Super Contributor
timestamp: February 02, 2011, 02:46:59 am
content: last time i remember your post saying if some havent blow anything, he dont deserve ee.now you said if you can't work out a pinout, you don't think one ought to be messing with electronicshence... you just messing around with it. i'm glad if you can blow something.last time you rant about how sux is the microchip for not replacing your pickit3, now you got both p2&p3hence... 2 in 1 price right?... smart move.

author: glossywhite
author_rank: Regular Contributor
timestamp: February 02, 2011, 03:09:30 am
content: Quote from: Mechatrommer on February 02, 2011, 02:46:59 amUhmm, righty ho

author: gxti
author_rank: Frequent Contributor
timestamp: February 03, 2011, 03:28:37 am
content: I see you spotted the Atmel chip:http://www.flickr.com/photos/22008695@N03/5408379143/#in/set-72157625831333553/Amusing, but not really surprising. Corporations don't care about rivaling factions of fanboys

author: Mechatrommer
author_rank: Super Contributor
timestamp: February 03, 2011, 04:10:33 am
content: ahh fun! now what? microchip is an atmel fanboy?

author: monpjc
author_rank: Contributor
timestamp: February 04, 2011, 04:08:24 pm
content: You would think that moving up from a PIC18 to a PIC24 that a) you would not have to reload firmware for each family and b) have the features a PICKit2 has... I will miss PICKit2.!
Did any of you get the email about the free robot kit from Avnet? - Page 1
Forum section: electronics / general

author: KTP
author_rank: Frequent Contributor
timestamp: January 21, 2011, 03:26:00 pm
content: I just got an email inviting me to an Avnet mini-workshop on a arm based robot kit and they stated free kits would be given out at the workshop. Did any of you get this notice and are you planning on going? I am in Seattle but I think they have quite a few cities and dates available.edit: here is a link I foundhttp://em.avnet.com/evs/home/0,4582,CID%253D62837%2526CCD%253DUSA%2526SID%253D32214%2526DID%253DDF2%2526LID%253D32233%2526BID%253DDF2%2526CTP%253DEVS,00.html?SUL=TIevalbotSeminar

author: Polossatik
author_rank: Frequent Contributor
timestamp: January 21, 2011, 04:16:53 pm
content: They are giving away more of those EVALBOT's ?I hope they got production ramped up or had some stock reserved for this, after the massive amount of orders they got a few months ago from the hackaday postwhich seams are still not shipped out

author: Geek1EE
author_rank: Newbie
timestamp: January 21, 2011, 08:34:38 pm
content: I just signed up online for the Dallas TX one but I'm kind of worried about the "Avnet will give away a TI Stellaris® Robotic Evaluation Board (EKBUCOS3- EVM, a $149 value) to all qualified customers at each event." I've never bought anything from Avnet so do I not qualify? I couldn't find anymore details on this. If this is true I'll try and get a group of students to go.

author: CafeLogic
author_rank: Regular Contributor
timestamp: January 23, 2011, 10:53:21 pm
content: I have not ordered from them. Does anybody know if they have a minimum. How are the shipping rates? They have some very good prices and I have been meaning to try.

author: Psi
author_rank: Super Contributor
timestamp: January 24, 2011, 01:05:19 pm
content: Quote from: Geek1EE on January 21, 2011, 08:34:38 pmheh, my one of them just arrived this morning. I ordered it like 6 months ago when they were on sale for $25 and every man and his dog was trying to order one.Took them this long to fill the orders lolMust say though, its a really good unit, really well put together and thought out.The little gearboxes on the wheel motors is pure sex, lots of quality machined metal gears, none of the plastic crap you see so often.

author: tinhead
author_rank: Super Contributor
timestamp: January 24, 2011, 03:30:59 pm
content: my arrived on frida last week, nice thing ...Quote from: Psi on January 24, 2011, 01:05:19 pm... except the famous screw above OLED display shorting GND with some OLED signals (which finally is killing the OLED)and the B1 silicon where C5 already available ... and of course no stock, for any kind/silicon revision

author: 8086
author_rank: Super Contributor
timestamp: January 28, 2011, 08:25:24 am
content: I ordered one with the conference promo code ages ago, and had been told my order was cancelled, but today I got an email saying it's been shipped, and it's actually on the way!!
Happy Australia Day Dave! - Page 1
Forum section: electronics / general

author: Zad
author_rank: Super Contributor
timestamp: January 26, 2011, 02:19:03 pm
content: I suspect that it is technically the day after now in Aus, but happy Austraya Day anyway! I even have my Aussie Kangaroos RL top on. Although that may be more to do with it being on top of the pile in the drawer.

author: EEVblog
author_rank: Unknown
timestamp: January 26, 2011, 09:31:29 pm
content: Thanks.Some people call it Invasion Day!Was supposed to be in a canyon abusing another multimeter, but plans fell through :-(Dave.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 28, 2011, 01:07:03 am
content: Quote from: EEVblog on January 26, 2011, 09:31:29 pmAt least YOU didn't fall through! (the canyon, that is).
SPI flash programming - Page 1
Forum section: electronics / general

author: NiHaoMike
author_rank: Super Contributor
timestamp: January 26, 2011, 11:35:48 pm
content: Can anyone suggest a good way to program code into a common SPI flash, like a 25VF064? Speed is not an issue since I only need to write a 128kB or so bootloader. In particular, I'm looking for a Linux program and simple circuit that makes use of the serial port. (I'm upgrading the Flash in some of my routers.)Ponyprog looks a lot like what I'm after except it does not support large SPI Flash devices.

author: Unknown
author_rank: Unknown
timestamp: January 27, 2011, 05:21:10 am
content: flashrom? I believe it supports a bunch of different external interfaces, not sure if this includes dumb serial programmers.

author: CafeLogic
author_rank: Regular Contributor
timestamp: January 27, 2011, 09:08:45 pm
content: Bus Pirate- comes in handy all the time. Its FTDI serial. You would have to write your own script (python) for the programming. EDIT: or maybe not, supports the above mentioned flashrom
Cute Robot that chops things up watch out Jamie Oliver  - Page 1
Forum section: electronics / general

author: Sionyn
author_rank: Frequent Contributor
timestamp: January 26, 2011, 05:51:10 pm
content: http://www.robots-dreams.com/2011/01/humanoid-robot-navigation-teleoperation-using-nao-and-kinect-video.html

author: Lance
author_rank: Frequent Contributor
timestamp: January 26, 2011, 06:02:29 pm
content: It starts with bananas, where does it end?
[PROBABLY SOLVED] PIC ASM - I don't understand this memory location reference - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 26, 2011, 03:30:11 pm
content: My mistake, I think these references are individual BITs on the BYTE which is PORTA. It just looked confusing at first glance, until I put it into context by reading further down the code.ThanksHello guys. it's me again, Mr confused. I don't understand the memory location references made under the heading "INPUTS". It is using memlocs that point to registers such as PCL and STATUS. I must be mis-understanding something here... or are these numbers being assignedjustnumeric values, and not actual reglocs?Code:list p=16f627#include p16f627.inc;THE LINES ABOVE JUST TELL THE COMPILER THAT WE'RE USING PIC16F627__CONFIG _BODEN_ON & _CP_OFF & DATA_CP_OFF & _PWRTE_ON & _WDT_OFF & _LVP_OFF & _MCLRE_ON & _INTRC_OSC_NOCLKOUT;======;VARIABLE DEFS;INPUTSSW1 EQU 00H ;SW1 TRIGGERS RA0SW2 EQU 01H ;SW2 TRIGGERS RA1SW3 EQU 02H ;SW3 TRIGGERS RA2SW4 EQU 03H ;SW4 TRIGGERS RA3;TIMERS (USED FOR DELAY_ROUTINE)TIMER1 EQU 20HTIMER2 EQU 21H;PATTERNPATTERN EQU 22H;SET VECTOR TO 0ORG 0GOTO RESET;======;DELAY ROUTINE - NESTED LOOPSDELAY_ROUTINE MOVLW D'100'MOVWF TIMER2DEL_LOOP1 MOVLW D'100'MOVWF TIMER1DEL_LOOP2 BTFSC PORTA,SW1GOTO MENUBTFSC PORTA,SW1GOTO MENUBTFSC PORTA,SW3GOTO MENUBTFSC PORTA,SW4GOTO MENUDECFSZ TIMER1,F ;DECREMENT F, SKIP IF ZERO, STORE RESULT IN F REGISTERGOTO DEL_LOOP2DECFSZ TIMER2,FGOTO DEL_LOOP1RETLW 0;MAIN INIT ROUTINE - SETUP PIC OPTIONS ETCRESET MOVLW B'00000111'MOVWF CMCONBSF STATUS,RP0 ;SWITCH TO BANK 1MOVLW B'11010111' ;SET PIC OPTIONSMOVWF OPTION_REG ;WRITE PIC OPTIONS REGISTERCLRF INTCON ;DISBABLE ALL INTERRUPTS;SET INPUTS AND OUTPUTS;PORTBMOVLW B'11000000'MOVWF TRISB;PORTAMOVLW B'11111111'MOVWF TRISB;SWITCH BACK TO BANK 0BCF STATUS,RP0;CLEAR ALL PORTB OUTPUTSCLRF PORTB;DEFAULT TO EFFECT_4 ON BOOTGOTO EFFECT_4

author: Excavatoree
author_rank: Frequent Contributor
timestamp: January 26, 2011, 04:16:30 pm
content: You are correct. the EQU assembler directive is just numeric value assigned to a label - not a memory location.The MCU doesn't know or care - it's just for the humans reading the source code.maybe someone else can explain better.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 26, 2011, 04:20:33 pm
content: Quote from: Excavatoree on January 26, 2011, 04:16:30 pmNo, I totally get that explanation - I already new that numeric values could be aliased in this way, I just didn't see it properly within the context of this code... until nowThank you for helping.
Cheap price on Fluke New site i found.  - Page 1
Forum section: electronics / general

author: paticumbia
author_rank: Newbie
timestamp: January 26, 2011, 12:48:36 am
content: I was looking around for good prices on tools and saw this website and their price for this fluke meter. ANyone heard of this site?http://www.etooldirect.com/fluke-87-5-rms-industrial-multimeter.html

author: DJPhil
author_rank: Frequent Contributor
timestamp: January 26, 2011, 01:30:49 am
content: They have an amazon storefront with decent reviews (see here), and sell the 87-5 through amazon for slightly more.I haven't actually dealt with them, but if I had the money I'd order from them. Looks fine to me.I'm saving for a function generator and an LCR meter first.
HP LogicDart E2310A - help needed please - Page 1
Forum section: electronics / general

author: Fraser
author_rank: Super Contributor
timestamp: January 25, 2011, 08:20:51 pm
content: I have just managed to buy a Hewlett Packard E2310A LogicDart as a replacement for my elderly logic probe.The LogicDart was discontinued in 2004 and Agilent no longer support it but it does look a pretty useful device for logic monitoring with 3 channels and 100MS/s sampling rate. For my basic needs it should work well.Now the bad news. My unit is 'as new' but without the probes. I thought I could modify the unit to take some DIY probes instead of the OEM units with bespoke plugs. There isn't a great deal of useful info on the probes available so I would very much appreciate any comment that can be offered on the content of the probes. There is at least one report that they may contain electronics and will not work without the OEM probes fitted, but I have yet to see this confirmed. Would a kind person with one of these units be willing to check the resistance across the probe tip to Ground, probe tip to signal output connector pin and signal output connector pin to Ground connector pin. I am trying to ascertain if the probes are active or passive and whether any matching network/potential divider is in use. The probes are very small and I don't see a need for them to be active but HP may have thought otherwise !As an additional comment.... the LogicDart can self test the probes by inserting them in the CH1 position which interestingly is the only Channel capable of resistance and continuity measurements so is an I/O port rather than input only. My hope is that the probes contain a resistance that the self check mode looks for to ensure the probe lead is serviceable.Any assistance with this little challenge would be greatly appreciated. My LogicDart is currently on it's way from the USA to the UK so sadly I cannot investigate it's input circuitry yet.Many thanks in advance
Is this more marketing BS? - Page 1
Forum section: electronics / general

author: Excavatoree
author_rank: Frequent Contributor
timestamp: January 25, 2011, 05:20:57 pm
content: I couldn't believe this when I read it. Am I missing something, or is this guy the best BS shoveler in the world? Are you using a Fluke digital meter to check your tube circuits? You fool! This is better:http://cgi.ebay.com/EICO-232-VTVM-NICE-/290525404806?pt=LH_DefaultDomain_0&hash=item43a4a9de86I don't see how.

author: Bored@Work
author_rank: Super Contributor
timestamp: January 25, 2011, 05:40:01 pm
content: Old tube-based meters are indeed popular in certain circles. The only thing that worries me is that the seller talks about "my repairs".

author: Mechatrommer
author_rank: Super Contributor
timestamp: January 25, 2011, 06:14:38 pm
content: well, he got full mark out of 229 feedbacks. so...

author: glossywhite
author_rank: Regular Contributor
timestamp: January 25, 2011, 06:20:54 pm
content: Why did he put " I have the equipment to do that" in quotes?

author: Excavatoree
author_rank: Frequent Contributor
timestamp: January 25, 2011, 06:26:31 pm
content: I can see how people might want one for nostalgia or for a vintage equipment collection. I can also see someone wanting to use only period equipment to work on something, but to claim that the analog VTVM meter does things that the most expensive Fluke can not do is simply wrong. If I were repairing old tube equipment, an 87 (hardly the most expensive Fluke) would do everything the old analog VTVM would do and do it at least as well.EICO was hardly a high-end brand - if I remember correctly, it was a kit meter designed to be inexpensive.I prefer E-bay sellers to tell it like it is. I can understand some salesmanship, but this is going a bit far to sell an old kit VTVM as a better alternative to a modern digital voltmeter.

author: saturation
author_rank: Super Contributor
timestamp: January 25, 2011, 06:47:03 pm
content: You can certain do these:"...Tremolo circuits, check coupling capacitors for leakage, and test variable potentiometers"With any DMM. What VTVM gave you was it was among the first to give very high input impedance, akin to DMM's today. Compared to solid state devices, vacuum tubes have a very short life span, the thing gets hot, damaged if dropped, shock hazard, and unsure CAT level safety, to name a few.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 25, 2011, 06:51:48 pm
content: Never trust a man who will sayanythingto sellanything.
why is the uk gov pimping rubbish ? (junk science)  - Page 1
Forum section: electronics / general

author: Sionyn
author_rank: Frequent Contributor
timestamp: January 27, 2011, 05:57:17 pm
content: why is the uk gov pimping rubbishhttp://news.bbc.co.uk/1/hi/programmes/newsnight/9377875.stm

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: January 27, 2011, 06:56:18 pm
content: .. and why are people in charge of purchasing stupid enough to fall for this junk? - they are the first ones who should be fired

author: Zero999
author_rank: Super Contributor
timestamp: January 27, 2011, 07:18:13 pm
content: I've heard about this before.The trouble is they don't have experts in charge of procurement.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 28, 2011, 01:05:11 am
content: I've got some phrases for you to Google; "FUD" and "Mean world syndrome". I don't watch news - call me ignorant, but I prefer to live my life in ignorant bliss, deprived of all the over-hyped, fear-mongered SHITE they pump from their digital sewers, 24-7.Bomb? where? When have I EVER worried about being bombed?lmfao!

author: the_raptor
author_rank: Regular Contributor
timestamp: January 28, 2011, 01:31:57 am
content: It is easy to understand when you notice that the average public servant has a liberal arts degree. Scientific literacy amongst the general population is low and liberal arts degrees don't make you any more scientifically literate.
PICkit 3 Vdd output is low... VERY low! - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 06:41:27 pm
content: Hello!Just received my PICkit 3, and the one thing that puzzles me is why, when I set PICkit 3 to power the board in "Programmer >> Settings >> Power" and then adjust to 5v and click "Apply", my DMM only measures 3.84V on the Vdd pin...Is this normal?Thank you

author: TopherTheME
author_rank: Regular Contributor
timestamp: January 24, 2011, 07:04:07 pm
content: How much current is your circuit drawing? The PicKit 3 can only source a couple hundred mA IIRC.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 07:31:19 pm
content: Quote from: TopherTheME on January 24, 2011, 07:04:07 pmONLY a couple of hundred, you say? LOL! It's just a 16f627 on its own, the circuit.The demo board that comes with it is plugged in now (it wasn't before) and MPLAB says it is set to 3.25V... but it measures 2.3V on DMM...hmmmmm

author: TopherTheME
author_rank: Regular Contributor
timestamp: January 24, 2011, 08:14:54 pm
content: Thats strange. My PicKit 3 is dead on when it comes to voltage, down to two decimal places. Are you measuring it at or close to the pickit?

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 09:15:38 pm
content: Quote from: TopherTheME on January 24, 2011, 08:14:54 pmIt measures under-voltage at the PICkit 3 end AND the project end.

author: Zero999
author_rank: Super Contributor
timestamp: January 24, 2011, 09:55:49 pm
content: Is anything connected to the project?Check you've not done anything stupid such as connecting your DVM, set to measure current, across the power supply rails.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 10:49:11 pm
content: I think my DMM probes must have been badly connected, as BOTH my PCs measured 4v coming from USB, after testing all possible permutations of USB root/hub, diff leads, testing local and remote end, etc etc. Now it comes right - 4.95v!
Any totally FREE MCU/DEV/electronics giveaways known of? - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 01:42:24 pm
content: Does anyone happen to know of anytotallyfree MCU/dev/electronics kit that companies are giving away (like the Jan MSP430, for example)?I'm new in the world of MCUs, and currently unemployed, so anyfreekit would most definitely be a bonus. Current offers only, if you know of any?Thank you

author: Scrts
author_rank: Frequent Contributor
timestamp: January 24, 2011, 05:05:57 pm
content: Afaik STM32-Discovery kit from EBV is still for free.

author: glossywhite
author_rank: Regular Contributor
timestamp: January 24, 2011, 05:58:30 pm
content: Thanks

author: JohnS_AZ
author_rank: Frequent Contributor
timestamp: January 24, 2011, 06:06:14 pm
content: While not free, TI is still selling their Launchpad for $4.30. Heck, that's one good bag of recycled aluminum cans.https://estore.ti.com/MSP-EXP430G2-MSP430-LaunchPad-Value-Line-Development-kit-P2031.aspx
AVN726EA GPS on drugs. - Page 1
Forum section: electronics / general

author: PeterG
author_rank: Frequent Contributor
timestamp: January 24, 2011, 11:34:16 am
content: Has anyone here seen this unit working. My X-Trail ti came with it installed and i am reasonably happy with it, however the GPS is the worst i have seen from the many GPS units i have had over the years. It seems to have issues with receiving the sat signal and the routing is all screwed up as well.Any GPS experts here able to help me find the problem? (Nissan don't seem interested in doing anything other than resetting the unit to default settings each time i take it to them.)
[VIDEO] Fairchild Briefing on Integrated Circuits  - Page 1
Forum section: electronics / general

author: glossywhite
author_rank: Regular Contributor
timestamp: January 23, 2011, 11:02:56 pm
content: [Recorded: October, 1967]This half hour color promotional/educational film on the integrated circuit was produced and sponsored by Fairchild Semiconductor Corporation and first shown on television on October 11, 1967. In the film, Dr. Harry Sello and Dr. Jim Angell describe the integrated circuit (IC), discuss its design and development process, and offer examples of late 1960s uses of IC technology.Fairchild Semiconductor Corporation was one of the most influential early high-tech companies. Founded in Palo Alto California in 1957 by eight scientists and engineers from Shockley Semiconductor Laboratory, Fairchild Semiconductor Corporation was funded by Fairchild Camera and Instrument Corporation of Syossett, New York. Rapidly establishing itself as a technology innovator based on its invention of the planar manufacturing process in 1959, the company developed the first monolithic integrated circuit, the first CMOS device, and numerous other technical and business innovations. French oil field services company Schlumberger Limited purchased Fairchild in 1979 and sold a much weakened business to National Semiconductor in 1987. In 1997 National divested a group, formed as the present Fairchild Semiconductor, in a leveraged buy-out. The company re-emerged as a public entity based in South Portland, Maine in 1999 under the corporate name Fairchild Semiconductor International, Inc.Fairchild Semiconductor presented its new products and technologies with an entrepreneurial style, and its early manufacturing and marketing techniques helped give Californias Santa Clara County a new name: Silicon Valley. It was one of the early forerunners of what would become a worldwide high-tech industry, as evidenced in this short promotional film.

author: Mechatrommer
author_rank: Super Contributor
timestamp: January 24, 2011, 03:05:28 am
content: thumbs up! artwork ehh? who said ee's is not an artist? and i didnt know the silicon wafer looks like a dildo before its chopped down!