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Computer to control Air Bag solenoids?

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  • Computer to control Air Bag solenoids?

    I am installing a computer into a project vehicle. I am trying to make the computer control the airbags rather than having to run a seperate screen for the system. Has this been done before or can the RS-232 be used to control it? Any help would be greatly appreciated.. Thanks in advance

  • #2
    I guess my only question would be why would you want to do this? Computers are not the most reliable thing, and having them control something that is going to supposedly save my life would be a pretty scary thing.
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    • #3
      Originally posted by speedofsound View Post
      I am installing a computer into a project vehicle. I am trying to make the computer control the airbags rather than having to run a seperate screen for the system. Has this been done before or can the RS-232 be used to control it? Any help would be greatly appreciated.. Thanks in advance
      This brings to mind a whole new meaning for the term "Blue Screen of Death". I think you better stick to dedicated hardware made for controlling airbags that already has government approval. Also, you need split second response times for activation. RS-232 is relatively slow and low priority. Bad Idea if you ask me.
      ~Jimmy

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      • #4
        I think he might mean suspension airbags, not the one for collisions.
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        • #5
          hehe...
          i was thinking low-rider air bags from your title... that would be sick..

          pc controlled safety air bags, not so sick...

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          • #6
            Yeah, probably he ment suspension airbags , I remember someone was asking this question beore, and got same replays

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            • #7
              Just so the OP doesn't get discouraged...I'm sure it can be done and I'm sure it has been done before.

              I'm not sure it's been posted on this site...but it's worth looking into!
              Jan Bennett
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              • #8
                Originally posted by blazinlow View Post
                I think he might mean suspension airbags, not the one for collisions.
                If that is the case, some relay board via serial or USB should be able to provide the interface. There are plenty of threads discussing those for various other uses.
                ~Jimmy

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                • #9
                  I wish I had mo hands cause I get those tities 4 thumbs down.....
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                  • #10
                    Air Ride Technologies has an electronic module for controlling their suspension systems. I'm certain that their module could either be hacked or reverse-engineered to work with a PC and relays.

                    My only concern would be a BSOD while you're raising the car.
                    If the PC crashes while inflating the bags, they could keep inflating with no ability to stop. I'm certain that over-inflating the bags isn't a good thing and could cause damage to the bags, the lines, the compressor or othyer components in an air suspension setup.

                    Originally posted by mbkowns
                    I wish I had mo hands cause I get those tities 4 thumbs down.....
                    Huh?
                    Have you looked in the FAQ yet?
                    How about the Wiki?



                    Under normal circumstances, a signature would go here.

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                    • #11
                      Maybe a fails safe could be wired in place?

                      For instance, wire in a relay in line and if it senses a power loss on one of the PC power lines it switches, effectively stopping the bags in their place???
                      Jan Bennett
                      FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

                      Please post on the forums! Chances are, someone else has or will have the same questions as you!

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                      • #12
                        Originally posted by Red GTi VR6 View Post
                        Maybe a fails safe could be wired in place?

                        For instance, wire in a relay in line and if it senses a power loss on one of the PC power lines it switches, effectively stopping the bags in their place???
                        Simplest fail safe would be a manual cut-off switch killing the whole relay board power feed. There would be no guarantee of other line states if the pc froze.
                        ~Jimmy

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                        • #13
                          true....since I'm not into the whole air suspension thing, I'm probably not a good source....lol
                          Jan Bennett
                          FS: VW MKIV Bezel for 8" Lilliput - 95% Finished

                          Please post on the forums! Chances are, someone else has or will have the same questions as you!

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                          • #14
                            Christ, this was a duplicate thread from a year ago. Kind of freaked me out....all the way down to when ppl thought post #1 was talking about steering wheel air bags. People thought the same thing in the other thread:

                            http://www.mp3car.com/vbulletin/show...light=air+bags

                            I had to check the dates cause the threads seemed so alike. Odd...
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                            • #15
                              Originally posted by SnyperBob View Post
                              Christ, this was a duplicate thread from a year ago. Kind of freaked me out....all the way down to when ppl thought post #1 was talking about steering wheel air bags. People thought the same thing in the other thread:

                              http://www.mp3car.com/vbulletin/show...light=air+bags

                              I had to check the dates cause the threads seemed so alike. Odd...

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