Alt-BEAM Archive
Message #13830
To: beam@sgiblab.sgi.com
From: SkavenArmy@cs.com
Date: Sat, 22 Apr 2000 19:57:10 EDT
Subject: Re: efficient launcher?Magnetic acceleration?
wouldnt you be able to use a led flasher type circuit and then just have an
amplifer after each output?
13831 Sun, 23 Apr 2000 22:29:07 EDT problems beam@sgiblab.sgi.com BowfinGar1@aol.com Hey every one
I was working on walker that sences and the light and at cetian times
recharges the battery when the light is bright enough, but the plans say to
attach layer 1 and layer 2. They don't use DIPs so I don't know how to stack
or attach them to each other since each one is a sperate circut. If any one
has any help it would be great.
And if any one knows a site that teaches how to design your own circut that
would help me a lot too. Thanks for your help
Mark
13832 Mon, 24 Apr 2000 13:11:38 +0200 RE: The sensitivity of a 74XX240 "Thomas Pilgaard" That's odd,
I've been torturing my 74xx240's and 74xx14's quite a lot (soldering /
reverse polarity) and I haven't killed one yet.
- Thomas
> -----Original Message-----
> From: owner-beam@sgiblab.sgi.com [mailto:owner-beam@sgiblab.sgi.com]On
> Behalf Of Jason -
> Sent: Friday, April 21, 2000 2:09 PM
> To: beam@sgiblab.sgi.com
> Subject: The sensitivity of a 74XX240
>
>
>
> Hie all,
>
> i have been very frustrated with all those broken chips
> i have ,
> the problem is they are very fragile esspecially the 74xx240...the is one
> time which i fried it just by connecting the wrong polarities of
> the chip to
> a 4V battery..........so i would like to know is there any
> special way for
> me to look after them.....and will direct soldering when i am
> free forming a
> circuit make it become bad too......thanks
>
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