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 Post subject: custom G Meter gauge
PostPosted: Tue Jan 15, 2013 6:01 pm 
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Joined: Tue Aug 28, 2007 12:33 pm
Posts: 264
Location: yuma, AZ.
messing around today. needs a lot of fit and finish, but works!

im doing this cuz i hate the idiot gauges in my sprint, and i use tiny hobby servo for planes anyways.
i would really like a 'real' temapture gauge, and a voltmeter, and a gas gauge thats not off by 1/8 tank. a vaccume gauge would be nice, as well as an oil tempature gauge.
oh yeah, and a tach. i need a tach. still trying to figure out how to clean up the negitive coil signal to 5V squareish.

http://www.youtube.com/watch?v=aBF3yd74 ... e=youtu.be

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"muchos tanks, village destruidos"
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-vernon wasser-

88 sprint, 4dr sold :(
87 turbo 2dr, never ran :( :(
86 sprint, 2dr current DD! :)


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 Post subject: Re: custom G Meter gauge
PostPosted: Sat Jan 19, 2013 4:25 pm 
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Suzuki Elder
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11675
Location: columbus, ohio
here's how i would build the tach driver.

use an R/C (pie) filter from the coil to ground to develop a 12 volt pulse. feed that to a resistor dividing network. pick off a 5 volt signal from the voltage divider.

pull the hall effect device off this little board, wire the output from the dividing network to the input of the board (where the hall effect device used to be.) the output from the signal conditioning board will be a clean 4.59 v ttl or digital signal of about 20ma.

http://www.ebay.com/itm/Motor-Speed-Tes ... 8983160%26

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1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

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 Post subject: Re: custom G Meter gauge
PostPosted: Sat Jan 19, 2013 6:23 pm 
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Island Inbreeder
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Joined: Tue Oct 18, 2005 6:56 pm
Posts: 6347
Location: Emerald city Washington
t3 ragtop wrote:
here's how i would build the tach driver.

use an R/C (pie) filter from the coil to ground to develop a 12 volt pulse. feed that to a resistor dividing network. pick off a 5 volt signal from the voltage divider.

pull the hall effect device off this little board, wire the output from the dividing network to the input of the board (where the hall effect device used to be.) the output from the signal conditioning board will be a clean 4.59 v ttl or digital signal of about 20ma.

http://www.ebay.com/itm/Motor-Speed-Tes ... 8983160%26


.
I was wondering what you guys were posting about
so I clicked on the ebay link and scrolled down to the bottom and there
it says..."See what other people are watching"
.
.
this popped up
.
http://www.ebay.com/itm/8-Beige-Realist ... 27cd8fada7
.
hey Richard what you up to.?
.
on second thought I don't want to know.!
.
.
......jv&s


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 Post subject: Re: custom G Meter gauge
PostPosted: Sat Jan 19, 2013 9:44 pm 
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Suzuki Elder
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Joined: Mon Dec 01, 2003 12:47 pm
Posts: 11675
Location: columbus, ohio
okay, scotty. ya' punked me on that one. :lol:

must have been tommy's ebay watch list. :wink:

_________________
1991 Blue Geo Metro Convertible highly modified 1.0L Turbo3 5 spd. - 1991 Red Geo Metro Convertible customized with a Twincam 5 spd.

My Turbo3 Project
My Cardomain Page -Ol' Blue
My YouTube Channel
My Photo Gallery
SAAB Sonett II


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