let's choose an enclosure
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Re: let's choose an enclosure
And of course I forgot about the TVA . Was actually ordering this case, but this is getting too expensive @ about $100 .
Re: let's choose an enclosure
Don't forget your crimp tool(s) as well don't forget your special tools for opening the enclosure. I recall the smallest enclosures don't need the special tools, but most modICE will need special tools.
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Re: let's choose an enclosure
right now we have sooooooooo many boards we have to stop designing new
right now we need to move software or documentation or adoption, not HW
right now we need to move software or documentation or adoption, not HW
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Re: let's choose an enclosure
I think that there is mainly a need for Plug-and-Play (PnP) adapter boards to match specific engine connectors.
Perhaps if there were a loose standard we could encourage people to put their efforts to creating PCB layouts (Gerber files) converting from their preferred engine connector to a standard low-cost connector And then wiring harnesses from that connector to one of the existing RusEFI ECUs.
The connector wouldn't need to be weatherproof, but it needs to be automotive quality for vibration and temperature. It should be readily available and use an inexpensive crimp tool.
Perhaps if there were a loose standard we could encourage people to put their efforts to creating PCB layouts (Gerber files) converting from their preferred engine connector to a standard low-cost connector And then wiring harnesses from that connector to one of the existing RusEFI ECUs.
The connector wouldn't need to be weatherproof, but it needs to be automotive quality for vibration and temperature. It should be readily available and use an inexpensive crimp tool.
Re: let's choose an enclosure
If it's not only about the connector, but about the whole enclosure, I'm afraid there's nothing left for people but building their own boards. It's a bit annoying, but you can live with that.
Besides, imho building boards for many people seems much less complex and much more feasible than adding new software features.
Besides, imho building boards for many people seems much less complex and much more feasible than adding new software features.
Re: let's choose an enclosure
Technomelt is a common potting material for automotive applications. It melts like how glue and very chemical resistant. Toaster oven would melt it just fine. Also it's not a carcinogen. You can also get it were it phase changes at say 150c. Aka it could take many watts to exceed 150c preventing over heating.
https://www.henkel-adhesives.com/us/en/about/our-brands/technomelt.html
https://www.henkel-adhesives.com/us/en/about/our-brands/technomelt.html
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Re: let's choose an enclosure
I have designed this enclosure, and a chinese mfg might be interested in opening a mold to sell them.
PNP are easiest done with adapter harnesses.
A bunch of wires, with female pins crimped in each end are the way it's usually done.
Put the female pin at the ecu header pin, solder and crimp isolation around.
PNP are easiest done with adapter harnesses.
A bunch of wires, with female pins crimped in each end are the way it's usually done.
Put the female pin at the ecu header pin, solder and crimp isolation around.
Re: let's choose an enclosure
Do you plan for this to be IP67 or similar? I wonder about the water resistance of the USB. As well if they are surface machining a mold, perhaps adding an o-ring groove could make for a nice water resistance feature.
I like the entire you don't see bolts thing. That makes it look clean.
I like the entire you don't see bolts thing. That makes it look clean.
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Re: let's choose an enclosure
I think the usb should just be a remote connector. There's no point on having it on the box, this way you can have the case inside or on engine bay, but always have the connector inside near glove box, ashtray, whatever you want. This way it's reliable(no weird connections) and weatherproof. That's how I plan to do on microrusEfi when I install it, since it's ready for it.kb1gtt wrote: ↑Fri Nov 15, 2019 5:15 pmDo you plan for this to be IP67 or similar? I wonder about the water resistance of the USB. As well if they are surface machining a mold, perhaps adding an o-ring groove could make for a nice water resistance feature.
I like the entire you don't see bolts thing. That makes it look clean.
Re: let's choose an enclosure
Canbus would seem like the desired solution for communications.
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Re: let's choose an enclosure
http://www.kinkong-connector.com/wap/productsdetail/696.html
Looks like tyco 73 pin connector .
Any thoughts?
Would love to find an enclosure to use the molex mx123 connector and PCB header
Looks like tyco 73 pin connector .
Any thoughts?
Would love to find an enclosure to use the molex mx123 connector and PCB header
Last edited by texasgdp754 on Mon Jan 06, 2020 3:52 pm, edited 1 time in total.
Re: let's choose an enclosure
Harness side of this connector with wires installed cost how much?
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Re: let's choose an enclosure
Those connectors are pretty common. GM gen4 (2005+) v8 engines use those connectors, I think.
The other consideration with those connectors is that you have to solder the connector once it's installed in the case - so you can't remove the board or access the top side if it's installed in a case.
The other consideration with those connectors is that you have to solder the connector once it's installed in the case - so you can't remove the board or access the top side if it's installed in a case.
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Re: let's choose an enclosure
The pcb header, the connector and connector cover all are available on Alibaba for a couple dollars each.
One seller shows the connector with all 73 terminals for 5 us dollars.
Or mouser has individual terminals for the connector at 0.19 a piece. With 10,000 currently in stock
https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15452126?qs=xyz6lfZ1ktJO3FTmQTkSAw%3D%3D
https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13525969?qs=sGAEpiMZZMs7eK6h2EBtKlxBm3IGXzlL%2F2tWyAZA3z0%3D
One seller shows the connector with all 73 terminals for 5 us dollars.
Or mouser has individual terminals for the connector at 0.19 a piece. With 10,000 currently in stock
https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/15452126?qs=xyz6lfZ1ktJO3FTmQTkSAw%3D%3D
https://www.mouser.com/ProductDetail/Aptiv-formerly-Delphi/13525969?qs=sGAEpiMZZMs7eK6h2EBtKlxBm3IGXzlL%2F2tWyAZA3z0%3D
Re: let's choose an enclosure
could you please provide the links to ali?
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Re: let's choose an enclosure
Hold on, this is quite unacceptable for us DIY is not it?
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Re: let's choose an enclosure
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Re: let's choose an enclosure
https://github.com/rusefi/rusefi_documentation/blob/master/oem_docs/cases/BS616%20New%20Harvard%20Cover.dwg is this a 3D file or not really? Does this file provide enough data to prototype PCB outline?
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Re: let's choose an enclosure
It's an AutoCAD drawing. PDF of the drawing is attached. Seems fairly detailed.AndreyB wrote: ↑Fri Apr 17, 2020 11:11 pmhttps://github.com/rusefi/rusefi_documentation/blob/master/oem_docs/cases/BS616%20New%20Harvard%20Cover.dwg is this a 3D file or not really? Does this file provide enough data to prototype PCB outline?
Re: let's choose an enclosure
i already made a board for that case.
I have eagle .brd if needed.
I have eagle .brd if needed.
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Re: let's choose an enclosure
I confirm, it's a 2D drawing, which is fairly good and could be used to make a 3D model.
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Re: let's choose an enclosure
Eagle file would be great! Maybe eagle can export to some vector format? Can you attach original Eagle and attempt to convert into something portable?
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Re: let's choose an enclosure
cant make the vector but here is the board outline and some pics of the original pcb
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Re: let's choose an enclosure
https://www.amphenolltw.com/p2-products-detail.php?product_series_sn=17&product_classify_sn=10&sn=2403 and https://www.amphenolltw.com/p2-products-detail.php?product_series_sn=17&product_classify_sn=10&sn=2404 are fancy USB cables to mate to UB-20PMFP-LC7002
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Re: let's choose an enclosure
So is the best idea for an enclosure still to just poach an existing ECU with the same connector you want to use? So for 121-pin connector, some Audi/VW (Bosch) or Nissan case?
I did run across this, I think the case might be the same size as the Bosch one - four corner screws are 111x157mm apart.
https://www.aliexpress.com/item/4000955025103.html?spm=a2g0o.productlist.0.0.52dd7cf152FsE2&algo_pvid=8cd46ed8-1f69-440f-a98c-5c55f1eda9e6&algo_exp_id=8cd46ed8-1f69-440f-a98c-5c55f1eda9e6-0&pdp_ext_f=%7B%22sku_id%22%3A%2210000012528060994%22%7D
the problem is the tall part is pretty narrow so placement of large GDI caps may be an issue
I did run across this, I think the case might be the same size as the Bosch one - four corner screws are 111x157mm apart.
https://www.aliexpress.com/item/4000955025103.html?spm=a2g0o.productlist.0.0.52dd7cf152FsE2&algo_pvid=8cd46ed8-1f69-440f-a98c-5c55f1eda9e6&algo_exp_id=8cd46ed8-1f69-440f-a98c-5c55f1eda9e6-0&pdp_ext_f=%7B%22sku_id%22%3A%2210000012528060994%22%7D
the problem is the tall part is pretty narrow so placement of large GDI caps may be an issue
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Re: let's choose an enclosure
While existing ECU is still the best option I am still not happy with it. My problem is that I want a _larger_ enclosure while OEM simply does not have need above curtain square footage.
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Re: let's choose an enclosure
Would you be able to create a wiki page with dimensions of various ECU cases, at least for the 121+ pin enclosures? It might be helpful to get that documented for those trying to make their own PCB.
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Re: let's choose an enclosure
Hellen121vag and hellen154hyuindai are both open source. Please use one of these as starting point depending on needs.
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Re: let's choose an enclosure
It's on the huge side and does not align with some versions of the 154 header mold but I like this YC-14. Let me know if you need a rusEFI for your Veyron.
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Re: let's choose an enclosure
And on the opposite side of the spectrum here are the smaller ones.
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