---- START NEW MESSAGE ---
Received: from cherry.ease.lsoft.com [209.119.0.109] by dpmail10.doteasy.com with ESMTP
  (SMTPD32-8.05) id A922131025E; Sun, 01 Feb 2004 17:34:26 -0800
Received: from PEAR.EASE.LSOFT.COM (209.119.0.19) by cherry.ease.lsoft.com (LSMTP for Digital Unix v1.1b) with SMTP id <13.00CC833B@cherry.ease.lsoft.com>; 1 Feb 2004 20:34:20 -0500
Received: from MITVMA.MIT.EDU by MITVMA.MIT.EDU (LISTSERV-TCP/IP release 1.8e)
          with spool id 6681 for PICLIST@MITVMA.MIT.EDU; Sun, 1 Feb 2004
          20:34:12 -0500
Received: from MITVMA (NJE origin SMTP@MITVMA) by MITVMA.MIT.EDU (LMail
          V1.2d/1.8d) with BSMTP id 9413; Sun, 1 Feb 2004 20:33:25 -0500
Received: from ms-smtp-01.nyroc.rr.com [24.24.2.55] by mitvma.mit.edu (IBM VM
          SMTP Level 430) via TCP with ESMTP ; Sun, 01 Feb 2004 20:33:25 EST
X-Comment: mitvma.mit.edu: Mail was sent by ms-smtp-01.nyroc.rr.com
Received: from scientiffk65yy (roc-24-169-220-130.rochester.rr.com
          [24.169.220.130]) by ms-smtp-01.nyroc.rr.com (8.12.10/8.12.10) with
          SMTP id i121XQuR023109 for <PICLIST@MITVMA.MIT.EDU>; Sun, 1 Feb 2004
          20:33:26 -0500 (EST)
References: <31e31531d6d9.31d6d931e315@optonline.net>
            <401D7162.5060006@certa.org>
            <01a301c3e929$43bd0d60$7b01a8c0@Paradise>
MIME-Version: 1.0
Content-Type: text/plain; charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2800.1158
X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165
X-Virus-Scanned: Symantec AntiVirus Scan Engine
Message-ID:  <002c01c3e92c$8b8b9780$8000a8c0@scientiffk65yy>
Date:         Sun, 1 Feb 2004 20:33:22 -0500
Reply-To:     pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
Sender:       pic microcontroller discussion list <PICLIST@MITVMA.MIT.EDU>
From:         Richard Graziano <rgrazia1@ROCHESTER.RR.COM>
Subject: Re: [EE:] [AR] Altimeter
To:           PICLIST@MITVMA.MIT.EDU
Precedence: list
X-RCPT-TO: <mailinglist2@FARCITE.NET>
Status: U
X-UIDL: 371856793

Do you have any specifications, such as accuracy you need to assure, size,
weight, etc.?


----- Original Message -----
From: "Russell McMahon" <apptech@PARADISE.NET.NZ>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Sunday, February 01, 2004 8:09 PM
Subject: [EE:] [AR] Altimeter


> > Does anyone know where I can get directions to build an altimeter?
>
> Googling on
>
>         altimeter build pressure
>
> produces many references.
>
> Almost all amateur rocketry altimeters are simply a suitable commercial
> pressure sensor and a means of reading it.
> Linearisation and temperature compensation may be desirable depending on
the
> sensor.
>
> ___________________
>
> Cheap altimeter intended for model rocketry use.
>
>     http://www.birch.net/~petek/rockets/altimeter/
>
>     Circuit
http://www.birch.net/~petek/rockets/altimeter/circuit2.html
>
>     Useful page on basic principals
>
>             http://www.birch.net/~petek/rockets/altimeter/begin.html
>
>
> Simple homebrew recording altimeter
> Very simple basic cct feeds a microcontroller
> Uses MPX2100A
>
>         http://www.nhrc.homestead.com/files/ROCALT1a.doc
>
>
> Discussion about some commercial altimeters designed for rocketry use
> Worth a read.
>
>         http://www.jcrocket.com/altimeters.shtml
>
>
> Precision Digital Altimeter
> Uses Motorola MPXS 4100 A
> Looks good. Complexish
>
>     http://www.electronic-engineering.ch/microchip/projects/alti/alti.html
>
>
>
>
>         Russell McMahon
>
> --
> http://www.piclist.com hint: PICList Posts must start with ONE topic:
> [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

--
http://www.piclist.com hint: PICList Posts must start with ONE topic:
[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads

.