Search found 35 matches

by samsmiles
Thu Apr 24, 2003 1:07 am
Forum: General Discussion
Topic: do it yourself ekg
Replies: 12
Views: 6536

Re: do it yourself ekg

HI Scott,
its 10-100kS/sec...way above ekg needs.
Hope you had fun with your project last night.<p>Sam
by samsmiles
Wed Apr 23, 2003 3:59 pm
Forum: General Discussion
Topic: do it yourself ekg
Replies: 12
Views: 6536

Re: do it yourself ekg

Limits of Labview student edition. For scott:<p> What are the differences between LabVIEW Student Edition 6i version and LabVIEW 6i Full Development System (FDS)? The LabVIEW Student Edition does NOT handle: <p> The ability to integrate external code with LabVIEW (i.e. CIN or DLL). The ability to us...
by samsmiles
Wed Apr 23, 2003 3:32 pm
Forum: General Discussion
Topic: do it yourself ekg
Replies: 12
Views: 6536

Re: do it yourself ekg

Hi everyone, to Scott: sorry I dont know what/if any the diff is between trial and student version. I do have NI daq board at school but at home I made my own daq with with at90s4433, max186 and max 521. <p>To Smallworld: Max 186 is faster than labjack and it is 12 bit. I connect it via serial port ...
by samsmiles
Tue Apr 22, 2003 4:45 am
Forum: General Discussion
Topic: Shortwiring AC/DC power adapter
Replies: 16
Views: 8650

Re: Shortwiring AC/DC power adapter

Totally cool :-) I will try 317 as well.
Thx folks learning a bunch here. :-))<p>Sam
by samsmiles
Tue Apr 22, 2003 4:40 am
Forum: General Discussion
Topic: do it yourself ekg
Replies: 12
Views: 6536

Re: do it yourself ekg

Hi Scott, labview is data acq. and analysis software. Great one. I have student edition and I love it. But this time I decided to do it "old way" ie programming it all on my own. I am using atmels mic 90s4433. I wired programmer and starter kit board. Im studying data acqusition with it vi...
by samsmiles
Thu Apr 17, 2003 8:58 am
Forum: General Discussion
Topic: MAX 186 and MAX521
Replies: 0
Views: 1529

MAX 186 and MAX521

Hi,
does anyone here have any experience with MAX186 and MAX521 and would share it. Perhaps suggestions for different parts?<p>Thanks a lot in advance!<p>Sam
by samsmiles
Thu Apr 17, 2003 8:54 am
Forum: General Discussion
Topic: Shortwiring AC/DC power adapter
Replies: 16
Views: 8650

Re: Shortwiring AC/DC power adapter

Thank you Jolly. Very informative. I opened it....made it learning experience. I will get fresh diodes in a bit and we´ll see what happens.<p>Im using the lamp trick now too to be on safe side.<p>
Have a great day everyone...Sam
by samsmiles
Mon Apr 14, 2003 6:33 pm
Forum: General Discussion
Topic: Shortwiring AC/DC power adapter
Replies: 16
Views: 8650

Re: Shortwiring AC/DC power adapter

Thx to everyone. Great help :-)<p>Wayne too bad :-( I ordered this one: http://www.web-tronics.com/30serdigrobe.html earlier today. We´ll see how it goes. Btw does anyone have experience with this power supply? <p>I don´t dare to wire ps on my own yet Chris. I´ll try the bulb trick, neat really. <p>...
by samsmiles
Sun Apr 13, 2003 7:08 pm
Forum: General Discussion
Topic: Shortwiring AC/DC power adapter
Replies: 16
Views: 8650

Re: Shortwiring AC/DC power adapter

wall wart..yep..:-(<p>its still getting warm when in wall socket but when in circut with resistor i have 0 current output. Led on wallwart is on however.<p>:-( hm hm<p>Sam
by samsmiles
Sun Apr 13, 2003 5:43 pm
Forum: General Discussion
Topic: Shortwiring AC/DC power adapter
Replies: 16
Views: 8650

Shortwiring AC/DC power adapter

Had mess on breadboard and it seems I shortwired ground and vcc. Adapters led is still on but its not functioning. Have I burned it and is there fuse in regular adapters I could replace or is it throw-away mat now?<p>Thanks for reply to my dumb-dumb question...Sam
by samsmiles
Sun Apr 13, 2003 3:59 pm
Forum: General Discussion
Topic: do it yourself ekg
Replies: 12
Views: 6536

Re: do it yourself ekg

Hi Scott, Im working on ekg too. Im studying op.amps at the moment and reading Prof. Websters Medical Instrumentation book. I have made ekg panel with Labview with last years class op amps etc. Now Im trying to do it all on my own with atmel microcontroller etc. Im biology major weak on EE and Im ha...
by samsmiles
Mon Mar 31, 2003 4:51 pm
Forum: General Discussion
Topic: Making AVR Starter Kit questions
Replies: 4
Views: 2333

Re: Making AVR Starter Kit questions

Thanks a lot 1206DX. Ill check that on Thursday when Im back to lab. Btw could you please suggest (or anyone else) any power supply that would be good for home projects use. Im using adopters that belong to walkmen, CD player etc.. Do you use the ones that have +- and ground or just +-?<p>Sincerely,...
by samsmiles
Mon Mar 31, 2003 4:00 pm
Forum: General Discussion
Topic: Newbie Breadboard question
Replies: 9
Views: 4051

Re: Newbie Breadboard question

Hello everyone who helped with this, i read "a bit and more" including all you wrote, and this http://www.ee.upenn.edu/rca/instruments/misctutorials/Ground/grd.html. I understand now grounding part, commons etc... <p>My final was first EKG DAQ with Labview and I finished that over weekend....
by samsmiles
Mon Mar 31, 2003 1:11 pm
Forum: General Discussion
Topic: Newbie Breadboard question
Replies: 9
Views: 4051

Re: Newbie Breadboard question

Dear Josmith,
thanks a lot for your response. Question about it: do I need exactly same
9v supply or is it okay if both are 9Vs ie do Amps matter?<p>Have a great day. Sam