Re: Science Fair Project

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: Re: Science Fair Project
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Fri, 14 Nov 1997 09:24:13 -0600
• Approved: tesla-at-stic-dot-net

From:	me [SMTP:gweaver-at-earthlink-dot-net]
Sent:	Thursday, November 13, 1997 6:33 PM
To:	Tesla List
Subject:	Re: Science Fair Project

I have a 555 timer program on my web page that you can download.  Just put
in some values and the program will show you the output wave form and frequency.

http://home.earthlink-dot-net/~gweaver

Gary Weaver



At 09:14 AM 11/13/97 -0600, you wrote:
>
>From:	anjorsta-at-online.no [SMTP:anjorsta-at-online.no]
>Sent:	Wednesday, November 12, 1997 10:11 AM
>To:	Tesla List
>Subject:	Re: Science Fair Project
>
>>
>>I know that this is probably a bumb questions that shows my ignorance, but
>>what is "12 volt square wave" . I get the idea it means just feed it
>>bursts of electricity? I've read you can do this with a 555 timer- Is that
>>true, I would think the voltage would be a little high for a 555 timer...
>>			Matt
>
>555s can be used, there is lots of files around on the net that shows how
>(just search for "ignition+coil+circuit" in AltaVista)
>CMOS 555s should work between 2v-18v, and the old bipolar 555s work between
>about 5v to about 15v (if i remeber correctly).
>Atle Jorstad
>
>
>

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