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Audi A8 Seat as a Chair

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Old 04-28-2017, 11:25 AM
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Originally Posted by the_duke
It's going to be difficult with the A8 seat as it doesn't operate with just switches like the one in the video. It has a control module that communicates on the CAN bus in order to move the seat.
thanks for the information, and if I buy all the modules and cables? Do you think that is possible to operate? Because I found one A8l wrecked and it has all the parts available to sell...

Originally Posted by snagitseven
The ventilation system uses the cabin's ambient temp - there's no "cooling" per se. When the cabin cools down from the AC, the seat uses a fan to circulate the surrounding air. As others have said, the seat communicates with the MMI and control modules and software coding. Going to be difficult to circumvent all of that as a stand-alone with operating functions. I suppose with enough engineering know how and money tossed at it, anything is possible.
my idea is just use the ventilation as one feature, could be nice to finish this project, lets see what we can do, I will keep in touch.
Old 04-30-2017, 07:39 PM
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Hi

Just to report, I´ve found that all we need is just wire the phase and ground to one 12v source with 20a and the entire seat will work...

I will post the progress here...
Old 05-01-2017, 02:13 AM
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Cool! No massage, though,?
Old 05-01-2017, 02:31 AM
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Originally Posted by Jack88
Cool! No massage, though,?
I will see whats happen when I found which loom report the massage functions, but probably theres is no way to change the type of massage but maybe I will be able to just turn it on and leave on in one function.

So basically I believe that if we have the lcd / seat with looms and module we can turn all on and maybe set everything as a chair...

wiring diagram:

Old 05-02-2017, 12:29 PM
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Haha, I love these projects. Keep us updated!

I haven't sat in one of these chairs so I don't know how they operate, but can you adjust all the setting from the seat control buttons? Or do some functions ONLY go through the MMI? It would be great if you didn't have to do anything with the CAN bus to operate it.
Old 05-02-2017, 06:05 PM
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Originally Posted by greginfinity
Haha, I love these projects. Keep us updated!

I haven't sat in one of these chairs so I don't know how they operate, but can you adjust all the setting from the seat control buttons? Or do some functions ONLY go through the MMI? It would be great if you didn't have to do anything with the CAN bus to operate it.
according with these guys we just need to wire 12v and ground to works almost everything, heater and ventilation will be a little more complex but we can do one switch for each one and just use as it should

Wiring up Audi a8 seats - VW T4 Forum - VW T5 Forum
Old 05-09-2017, 01:20 PM
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So I´ve found how to power up the seats, just plug the phase and neutral in one 12v 30A power supply like this:



Old 05-11-2017, 07:59 AM
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When you get the CAN bus codes, use a Arduino to send the commands. You can build a physical control panel and LCD screen for the controls. There are tools on Sparkfun and Adafruit to make this work for you.

https://blog.adafruit.com/2014/09/26...-raspberry_pi/

https://www.sparkfun.com/products/13262
Old 05-11-2017, 08:21 AM
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links fixed and posted how to wire and make it works,
we don´t need nothing more than 12v line and a couple of old switch for the heater and fan...
Old 05-11-2017, 08:22 AM
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Originally Posted by OhNoMrBill
When you get the CAN bus codes, use a Arduino to send the commands. You can build a physical control panel and LCD screen for the controls. There are tools on Sparkfun and Adafruit to make this work for you.

https://blog.adafruit.com/2014/09/26...-raspberry_pi/

https://www.sparkfun.com/products/13262
whoa

I will look for that, one lcd to see and control could be awesome and an amazing improvement for the project...


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