Custom microRusEFI with SD card

[JRD McLAREN]

So, I have finished MRE v0.5.5 .. (I hope)

Changelog:

30/12/2021
- replaced all 470kOhm and changed footprint to 0603 (R24, R31, R34, R37, R41, R52, R54, R56, R58, R131), related to: https://github.com/rusefi/hw_microRusEfi/issues/197
- replaced R28
- added protection diode D45 for voltage selector JP2

21/12/2021
- replaced D3 D4 D5 D6 on bottom side

03/11/2021
- added sdcard slot J14
- removed spi flash U11
- added 2 pads to power some kind of BT or WIFI module
- added voltage selector JP3 for BT module, bridged as 3V3 by default
- added protection diode D44 for VDD-to-JP3
- added pads for CANH and CANL
- replaced some components and pins, (C2, D41, D42, U7, C23,C24,C27,C29, FB1, J19)
- small (tiny) SMD0402 caps was replaced by CAP ARRAY (CN1, CN2, CN3, CN4)
- fix some vias
- changed GND PAD on J3 for RTC battery, oval type, for better soldering

Tell me your comments, advice, questions, etc. please ...

[AndreyB]

and I need to know, "how can I put my local hw_microrusefi directory" to the github ..

That's a great question! One we should have ideally clarified in advance

[mck1117]

Does the SD card actually fit there with the screw? The card extends far past the end of the socket.

[JRD McLAREN]

It is the same Wurth holder/socket as proteus have ..
..and it looks ..it will fit ..

It has an overlap through two 3mm holes, but not through mounting hole
(I haven't aluminium case, just plastic one)

[JRD McLAREN]

Here is full directory content.. (197MB)
it will be useful for something ... hope ..

http://89.173.96.22/dohc/rusEFI/hw_microRusEfi_microSD.zip

(yes, magic IP)

[JRD McLAREN]

better footprint ..

[JRD McLAREN]

new Gerber files ...
and updated zip on my server ...

same address - http://89.173.96.22/dohc/rusEFI/hw_microRusEfi_microSD.zip

EDITED:
Another update .. (sorry for this)
- D44 was added

[JRD McLAREN]

BTW:
Changelog for board version is missing ...
(on Github)

[AndreyB]

BTW:
Changelog for board version is missing ...
(on Github)

I am not sure what you are talking about. We are in "Custom microRusEFI with SD card" but you probably mean the original hw_microRusEfi?

Original hw_microRusEfi has https://github.com/rusefi/hw_microRusEfi/blob/master/releaseNotes.md file. I've mentioned that file directly on https://github.com/rusefi/hw_microRusEfi/ to make it a bit more visible, thank you for the useful signal!

[JRD McLAREN]

Yes, I'm mean original hw_microRusEfi ...

Plain text file, named "Changelog.txt" is most common file, in many other projects.
(but, it is the same as your "releaseNotes.md". I'm overlooked it.)

Are you going / plan to use this board as a future MRE release ..?
I made it for community.

[JRD McLAREN]

Preview from Kicad 3D viewer

[AndreyB]

Are you going / plan to use this board as a future MRE release ..?

Short answer is YES

Longer answer: it's complicated. My preference is for you to fabricate it at least for yourself but also maybe even ship me a sample. Overall in the next couple of months this amazing improvement is very very low on my priority list. Two international trips coming this year etc.

[AndreyB]

this amazing improvement is very very low on my priority list.

Maybe a better way to put would be "I am extremely busy for the next two months at least"

[JRD McLAREN]

1st - I have plan make any sample ..
2nd - OK you are so busy, it is not problem for me ..

Nice trip ...

[JRD McLAREN]

Last edit date: 11.11.2021

[JRD McLAREN]

PCBs arrived ... and microSD card fit ..

[JRD McLAREN]

updated 21.12.2021

- replaced D3 D4 D5 D6 on bottom side

[AndreyB]

Why are those boards so naked?! Why not JLCPCB at least for passive components?

[JRD McLAREN]

it is almost done ...

Why not JLCPCB at least for passive components?

cause I have many time to solder it, by my hand ...

DSCN5615.JPG (2.21 MiB) Viewed 8782 times

EDITED:
and we have "logdan" also ...

[JRD McLAREN]

related to: https://github.com/rusefi/hw_microRusEfi/issues/197

[JRD McLAREN]

R470k changed from 0402 to 0603 is now complete ...
added protection diode D45 for voltage selector JP2
(when some idiot solder all 3 pads together)

..and uploaded actual version to github ...

[JRD McLAREN]

two new solder pads for Crank HALL selector ...
it is easiest for users, than solder 0603 smd resistors

[JRD McLAREN]

and I have completed first series MRE with micro SDcard ...

two can be sold ... immediately

[JRD McLAREN]

special edition of PCBs arrived ..

[JRD McLAREN]

...probably the last MRE from me ...
..at this time ....

[AndreyB]

Is it for sale? Can I order it once fully assembled?

[JRD McLAREN]

I can give it to you ....
and then we can compare and merge my repo and official repo ....


..I'm still waiting for few ICs ...

[stayros32001]

Hi, I can not update after my current FW (july 22)
I tried all the next ones, august22, sept 22, nov22.
I connect the device, update process goes normal, and when I reconect the device, the FATAL state led blinks premenately.
I put the device to DFU mode and then I can sent new FW normaly, but only july 22 will work.
Any ideas?

[AndreyB]

Any ideas?

Try full erase (fresh rusEFI console has that option)
Is it official board or custom board? What exact hardware revision? What is exact part number of TLE8888 chip?

[stayros32001]

It is the custom version of @JRD McLAREN MRE+sd 5.55rc
https://www.rusefi.com/forum/viewtopic.php?f=4&t=2191


Can I get TLE part number with software?

Full erase didn't work.
Also I noticed that when the flashing ends and it gives message to power cycle, The Fatal led is already on!