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Re: How to create a pos/neg edge trigger??
In a message dated 4/9/2004 6:43:06 PM Central Standard Time, smartdim@... writes: I think you meant the opposite, right......cap to ground and resistor in series. Duh... Yes. Alzheimer's has
By JanRwl@... · #9520 ·
Re: Yahoo seriously messed up
<stefan_trethan@g...> wrote: forums. of the i think use and I agree. I prefer not to get mail and would rather just read on the yahoo website (which is why the search neutering is such a problem for
By ghidera2000 · #9514 ·
Re: How to create a pos/neg edge trigger??
I think you meant the opposite, right......cap to ground and resistor in series. The config you desribe will not give any delay, rather it will shorten the length of the input to the second gate. Do
By coiltap2003 · #9518 ·
Re: Yahoo seriously messed up
Actually, you beat me to the punch of suggesting a web-forum solution such as VBulletin, which I thought of (typically) AFTER hitting the <send> button. I belong to two of those, although NOT in any
By dangermouse <dangermouse1956@...> · #9513 ·
Re: Yahoo seriously messed up
In a message dated 4/9/2004 4:00:32 AM Central Standard Time, phil1960us@... writes: If you post something and it doesn't show up within a few minutes To WHOM???
By JanRwl@... · #9517 ·
Re: How to create a pos/neg edge trigger??
In a message dated 4/9/2004 3:48:51 AM Central Standard Time, sd7008us@... writes: Would a series of ANDs do the job? A 100 pF cap in series with the second gate, and a reasonable resistor from
By JanRwl@... · #9516 ·
Re: Yahoo seriously messed up
That's exactly the point. nobody (ok maybe only i) want's a forum like all the other web forums. yahoo is so convenient to use, in a forum you never read that much of the threads, and you do not
By Stefan Trethan <stefan_trethan@...> · #9512 ·
Re: Yahoo seriously messed up
wrote: I'm a web developer, I do a lot of php programming and stuff. would anyone like to team up with me to start a forum site? I host and help out with the schematicaforfree site, so we could
By Matt <mattsoft@...> · #9511 ·
Re: Yahoo seriously messed up
I have used a few different lists and I really reallly reallly like the flat sheet format of the yahoo list. and, I really really really dislike the seperate threads of other lists. Yahoo is going to
By Dave Mucha · #9510 ·
Re: Yahoo seriously messed up
If you want my 2 cent: Get a decent webspace, for archives and file storage, and switch the list to usenet news. but then, there are several lists like this available as usenet newsgroups.... Let's
By Stefan Trethan <stefan_trethan@...> · #9509 ·
Re: Vibration monitor schematics posted
A Fluke 199 ScopeMeter in TrendPlot mode or a Fluke 189 Multimeter with FlukeView Forms software could capture those +/- 70V spikes. The 189 gives you the max/min/avg for all readings it logs. This
By Scott Thompson <electronguy@...> · #9508 ·
Re: Yahoo seriously messed up
Actually, I was contemplating paying for a host myself. I was just about to start looking for hosts that allow mailing lists and file areas 8) $35-$40 a month isn't a big deal to me compared to the
By ghidera2000 · #9507 ·
Re: Yahoo seriously messed up
If anyone is interested in the work and expense involved in hosting it ourselves, we can do what Ian Purdie (of http://electronics-tutorials.com/ ) has done, and host our own mailing list with the
By dangermouse <dangermouse1956@...> · #9506 ·
Re: Yahoo seriously messed up
--- In Electronics_101@..., "ghidera2000" <ghidera2000@y...> wrote: ... > You know, between the neutering of the search function and the > (relatively) frequent board problems, I'm
By Phil · #9505 ·
Re: Yahoo seriously messed up
wrote: longer of Yes, my 6AM posting yesterday morning didn't show up until after 4PM... I learned to be patient a long time ago though, thats why you dont see multiple posts ;) You know, between the
By ghidera2000 · #9503 ·
Variable Resistor Using FETs
Hi All, I am trying to search for a better way to design a programmable analog filter. I implemented a 2nd order Sallen&key filter with DC adjust a while back using AD8400 digital potentiometers. I am
By Syed Hasan Rizvi · #9502 ·
New file uploaded to Electronics_101
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Electronics_101 group. File : /Filter with DC adjust.jpg Uploaded by : shrizvi1974
By Electronics_101@... · #9501 ·
Re: Flyback transformer test
Steve, I took apart (sawed and pryed etc) the flyback just to see how is is constucted. I purchased another old $2 monitor. I removed the CRT and made a Jacobs Ladder. The idea came from this website
By rsnyder187 · #9500 ·
Re: Diode reverse bias
Look at the fig. 8 of this datasheet: http://www.semiconductors.philips.com/acrobat/datasheets/1N4148_1N4448_4.pdf The Vfr means the maximum voltage peak that's produced when the diode is switched on,
By mario lopez · #9499 ·
Re: How to create a pos/neg edge trigger??
As somebody else posted you could use a 74hc4538. This is a dual one shot. You can configure it to trigger on both positive and negative edges. Forgot about that IC, that is likely the easiest idea
By coiltap2003 · #9504 ·