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| Neil's Aventador build (Page 66/74) |
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Neils88
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SEP 04, 10:22 PM
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| quote | Originally posted by pmbrunelle:
How much are you doing this project for the process of doing it, versus doing it for the end result?
Did you not want to implement a normal CAN bus?
Is it just that the Arduino has a UART, but not a CAN peripheral?
I suppose that the benefit of a modified car for personal use is that you're free to do whatever non-standard thing you like.
To make the UART a little more "automotive grade", I would implement a CRC, and possibly a message counter. |
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You are right...I love the build process. While the end result is exciting, I love all the little "design and build" sub-projects that present themselves. 
There is an Arduino CAN Bus shield available (I have a couple). The advantage of a true CAN Bus is that messages go out on a common bus that allows communications prioritization, with all devices able to read the information flow and use it if relevant. Huge amounts of information constantly flows on the CAN Bus necessitating the hierarchy structure (i.e. a system that allows higher priority devices to override lower priority devices when they both try to speak at the same time on the Bus). I'm only passing a small amount of information which makes a simple serial communication set-up much simpler to implement. There are many ways to confirm information flow (e.g. repeaters, checksums, etc).
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RCR
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SEP 05, 07:02 AM
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Hey Neil,
Glad to see you up and at 'em. Hope you feel better soon, I'm certainly sympathetic to your woes.
best regards,
Bob[This message has been edited by RCR (edited 09-05-2018).]
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Neils88
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DEC 26, 02:03 PM
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Merry Christmas to everyone!
Unfortunately, this hasn't been a great year for me due to health issues. However, I did want to make a post to let people know that though the project has stalled a little, I've started to feel a little better and have even managed to spend some time in the garage. Hopefully in the next few weeks I'll have something done that I can post in the thread.
Neil
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RCR
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DEC 26, 06:57 PM
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Hi Neil,
Sorry for the health issues. Sure hope you're on the mend.
Thanx for your post in my thread. Have a great new year...
Bob[This message has been edited by RCR (edited 12-26-2018).]
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Neils88
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FEB 16, 09:01 PM
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I figure it's time for me to post something. I'm slowly puttering around when I'm able.
As usual, I have looked at some of the work I had done previously and decided that it may be functional...but not at the quality I would like. I consider the first attempt at something more of a concept prototype, and then the rebuild to be the more permanent solution.
The door latch/lock connection mechanism is a prime example. I need to connect the latch and lock mechanism (which unlike most cars is actually in the door jamb, not the door) to a number of components; the interior manual handle, the interior manual lock, the electric popper (triggered by the external door switch), the external emergency key and the external emergency release handle. There is no stock item available to handle all these functions unless I splurge for OEM Aventador components. As you can imagine, that's not a cheap option.
Here was my original solution...
While fully functional, there is definitely the chance for component failure eventually. I knew I could do a lot better.
So I redesigned the system and had the components water-jet cut from 316 stainless steel. This covered most of the components. The remaining components were machined on my lathe. (note...there are about a half dozen small connectors that are not shown in the pics below. I also had to make adjustments to a couple of the minor parts as a result of a little binding).
Here's everything laid out...
Basic assembly...
Here's a description of how things connect...
The assembled mechanism is just under 3/4" thick...
The new system (mostly) hooked up and installed...
This new system is much more rugged, corrosion resistant and should be much more reliable. 
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pmbrunelle
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FEB 16, 11:40 PM
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| quote | Originally posted by Neils88:
As usual, I have looked at some of the work I had done previously and decided that it may be functional...but not at the quality I would like. I consider the first attempt at something more of a concept prototype, and then the rebuild to be the more permanent solution.
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That's basically the difference between my first and second Fieros.
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shemdogg
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FEB 17, 10:52 PM
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Its always better the second or third time lol. Thats a sweet latch you made man, glad youre back at it!
shem
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RCR
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FEB 19, 06:54 PM
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Neils88
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MAR 03, 02:36 PM
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I started to install the AVS door latch solenoid on the driver's side today. I built a small bracket to hold the solenoid and secure the cable. It's amazing how much space was there, yet it still took forever to figure out where to mount it. Unfortunately, there wasn't a great spot to mount it where I'll be able to easily access it whenever needed. I'll be able to get to it... but I'm sure it'll involve some curse words. I put a little paint into the bracket. Once it dries, I'll mount the solenoid and take a pic.
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Neils88
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MAR 03, 10:49 PM
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The solenoid sitting in the new bracket, tucked behind the rocker panel.
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