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What widebands allow you to have a alarm?

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Old 12-23-2011, 11:05 AM
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Default What widebands allow you to have a alarm?

I'm looking to hook up a alarm to my wideband that I can arm at the track does anyone else besides zietronix have this feature? Also is anyone else doing this and if so how is your wired?

Thank You
Old 12-23-2011, 11:28 AM
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Most wideband gauges have an output pin. If you have a little EE knowlege, you can set a buzzer or light alarm that reacts to a specific voltage from that output. I'm probably going to implement this on my wideband gauge with an Arduino microcontroller I'm already working on for a boost/secondary fuel pump/meth controller.
Old 12-23-2011, 12:15 PM
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The Aeroforce Interceptor scan gauge has a similar feature where you can set a threshold, and anything above will trigger a red warning light. I have mine set to monitor knock, and anything above 0.0 will trigger the light.

I'm sure you can set a value for the wideband as well, since the Interceptor has analog inputs you can configure yourself.
Old 12-23-2011, 12:34 PM
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Different car but same process, my Blitz data gauge in my Z32 has inputs which I can warnings that flash the screen red and beep when the input goes to a range you set, very handy for over boost. There should definitely be a few items you can look at for your project.
Old 12-23-2011, 09:07 PM
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Most wide bands don't have alarms. This is because the wide band is usually wired into your PCM/ECU. Your ECU can react about 10,000 times faster than you can when a problem occurs. On top of that, if you are relying on a buzzer/light to keep your AFR's safe, then you need to get a better tune.
Old 12-23-2011, 09:13 PM
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Originally Posted by SATAN
Most wide bands don't have alarms. This is because the wide band is usually wired into your PCM/ECU. Your ECU can react about 10,000 times faster than you can when a problem occurs. On top of that, if you are relying on a buzzer/light to keep your AFR's safe, then you need to get a better tune.
Who has their wideband wired into the stock pcm/ecu? I want to rely on a alarm incase I have a malfunction.
Old 12-23-2011, 10:45 PM
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Originally Posted by mike13
Who has their wideband wired into the stock pcm/ecu? I want to rely on a alarm incase I have a malfunction.
I didn't say stock PCM/ECU. If you have a stock PCM/ECU, then a wide band won't do anything for you anyways LOL.

That's what I'm saying though. If you have a malfunction, your PCM is supposed to take care of it.

As far as a stock PCM, I run HP Tuners. My PCM has been reflashed with a different operating system and the wide band plugs into the the HP tuners scan tool.
Old 12-24-2011, 01:50 AM
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WTF are you talking about? Really a wideband on a stock pcm won't do anything for you? I guess I'll just have to disagree.

Yes I can datalog O2's but that's not what I'm talking about.
Old 12-24-2011, 03:27 AM
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I don't know wtf he's talking about either.

OP do you mean an alarm if your MAF failed?
Old 12-24-2011, 04:08 AM
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The Innovative LC1 I use with my HPT doesn't have one but I think the Autometer that's mounted in the car does. It has a programmable warning that I can set if it sees a certain afr while it's wot. I've never used it.
Old 12-24-2011, 06:16 AM
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Originally Posted by mike13
Who has their wideband wired into the stock pcm/ecu? I want to rely on a alarm incase I have a malfunction.
Ignore him Mike

He has no clue what he is talking about.
Old 12-24-2011, 08:18 AM
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On big stuff 3 there is a auto correction when you have a WB hooked up to it but you are talking 3k lady I check on that.ill look more into it
Old 12-24-2011, 10:20 AM
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Originally Posted by Droptopws6
I don't know wtf he's talking about either.

OP do you mean an alarm if your MAF failed?
This is my plan, say you work on your car or aren't confident in something going on with the car. I want to be able to stage the car, run it up on the transbrake and the afr's will come down into the envelope, arm the warning buzzer and as the car makes it's pass if for some reason it goes lean the alarm sounds.

I'm not looking to do this every run, just the option, it would make me feel better knowing that after I've had the car apart or made some changes that I could do that. The faster your car gets the harder it is to find conditions to go out and make good datalogs.
Old 12-24-2011, 11:14 AM
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Just get a narrowband and call it a day.

Kidding...
Old 12-24-2011, 11:31 AM
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Originally Posted by SATAN
Most wide bands don't have alarms. This is because the wide band is usually wired into your PCM/ECU.
Old 12-24-2011, 02:52 PM
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OP, if you find your answer, please post it on here for the rest of us.
Old 12-24-2011, 03:49 PM
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Areo force interceptor gauge would be your best bet. I have 1 in my duramax it works great. I should get one for my car
Old 12-24-2011, 06:05 PM
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I've been interested in this as well I'm going to do some testing and research and see if I can't come up with something

edit ; ive actually figured out something that should work , i should be building it/testing soon, but i have removed the details from this post about it as ive been in contact with, with somebody to possible start producing them for resale

Last edited by tripblackls1; 12-25-2011 at 04:35 PM.
Old 12-24-2011, 06:42 PM
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Wait, why not a knock alarm? If AFR went lean it would sense knock even if you couldn't hear it, you could let off right away. Just another thought to kick around.
Old 12-24-2011, 06:44 PM
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Some good idea's


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