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Hi guys- Thanks for the followups. Good thought on cutting down the average power, cutting down on the holding current and running current. I'll see what I can do. Cheers, Rich S.

Hello- I'm trying to find a stepper motor vendor for a NEMA 11 class motor, which is form, fit and function compatible to a Lin engineering 211-20-01, bipolar stepper, but with a higher OPERATING temperature. The web based data sheet is at...

Hiya- You might want to point your browser to this link: http://search.cpan.org/~jhi/String-Scanf-1.4/Scanf.pm Perl modules from reputable sources like cpan (which is just about as reputable as you can get) is a common practice in things like perl, php and others. By including this module...

Hi- Tally lights vary from camera brand to camera brand. I suggest that you obtain a copy of the manual for the camera before doing any wiring. Also a reference to the video switcher will most likely point you in the right direction. "IN GENERAL" most tally lights are low voltage lamps...

Hiya- As VE1BLL mentioned there has to be a frequency difference. It need not be in a different band. In the Ham Radio world at 2 meters the split difference is 600KHz. At 2.4 G I am assuming that the resonators would be rather small. Of course, good isolation is required. Don't think that...

Hiya- You mentioned: "Should I send them to one of the industry rags and hope to line my pockets with a few Benjamins, or should I remove a few Benjamins from my wallet and apply for a patent" I went the former route and it wasn't bad. Last June, a little circuit of mine was published in...

OperaHouse I think you are refering to the "Segway" critter. For "state of the art" in electric cars one might want to google Tesla and ignore all the fine contributions that the engineer/scientist made.... Me, I'm thinking of a minibike frame, an old generator from a 1956 Ford, chain drive...

Hiya- You might want to switch to a micro SD card. If memory serves me right, the "profile cards" of cell phones are micro SD. If, and that's a big if, those connectors are available standalone, they might be worth looking into. I remember recently seeing a picture of one of the new phones...

To itsmoked: Sorry for the lengthy time to reply. I've been "critical path" with code that I didn't write for a couple of months now and haven't been able to get back here. Right now, I'm doing some "run test times" so I have a second! Mingw that I use is good old C, not that new 'fangled...

Hiya- Just a head's up. I did something like that in the past and I found that although I had updated my picture on the server, the browser, in it's infinite wisdom (even with the cacheing off) still decided that since the picture was the same filename, it didn't need to go out and get a new...

Hiya- Just as a general note, many of the manufactures in order to limit liability explicitly state that their products are not intended to be used in medical applications. TI comes to mind in this and I've seen many others. Also along these lines, especially if one plans on bidding a...

Hiya- I've recently gone to mingw which is a minimal port of the gnu C complier for the windows o/s. I've had good luck with programming the serial port with it. It's a free, as in beer, compiler and pretty easy to set up. One of the nice things is that I can whomp up an app in C, and form...

Hiya- Point your browser over to: http://claymore.engineer.gvsu.edu/~jackh/books/plcs/ Lightweight tutorial: http://www.industrialtext.com/eBooks/PLC_Primer.PDF Cheers, Rich S.

Hiya- The other things you might consider: 1. High level programming language. The PicKit (PicStart 2) mentioned earlier comes with a "lite" version of their C complier. I use CC5X for doing applications in C. The first project is free, then for follow on products, one should buy it. 2...

Hiya- Although this forum is geared to practicing engineers, well, it's *NOT* geared for students (we spent too much time doing their homework for them), I can point you to a site or two that might prove interesting. One is: http://www.winpicprog.co.uk/pic_tutorial.htm Although the PIC's used...

http://www.5bears.com/pcb.htm Has a nice little tutorial on homemade "do it yourself" PCB fab using toner transfer from a laser printer. HOWEVER, I find the transfer paper mentioned on this site: http://www.pulsarprofx.com/ and sold as digikey p/n...

Hiya- I wonder if you could get one of the high speed comparator chips to have sufficient rise time to construct an analog sample and hold circuit? I've been fighting firmware fires (not real fires Keith) all day and my head hurts, so I'm not going to think though this. But, maybe some of the...

Hiya- Well the OP mentions that he runs an electric RC copter as his choice for flying. If I might suggest, that you research DC-DC converters that with some thought and measurement, can be used to "BOOST" the 3.7V or so voltage from the main battery to the 9VDC needed for the camera. Of...

Hiya- The thought of "firewalling" the device is a good one as I firewall at my server. I can see the "attacks" on the incoming side of it and log them to my syslog file. It is amazing who and what are tried. There are sites on the internet that allow one to "check" how "hard" your site is...

Hiya- You are in luck. And I guess this is the right group to be talking with. There are various free tools that you can get from Microchip to implement your task. The assembler and a simulator is free from them. Just wander over to the website. Depending upon the complexity, there are...