[README] MREAdapter48 pnp Miata MX5 NA
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MREAdapter48 pnp Miata MX5 NA
A 48 pin P&P board for early Miatas.
https://github.com/rusefi/rusefi/wiki/Miata-NA-48-pin-board-for-MRE
NA6 on eBay https://www.ebay.com/itm/333808079911
Early NA8 on eBay https://www.ebay.com/itm/333808081077
Schematics is available at
https://github.com/rusefi/rusefi_documentation/blob/master/Hardware/pnp_microRusEfi_48na/microrusefi48adapter_0.1.pdf
https://github.com/rusefi/rusefi/wiki/Miata-NA-48-pin-board-for-MRE
NA6 on eBay https://www.ebay.com/itm/333808079911
Early NA8 on eBay https://www.ebay.com/itm/333808081077
Schematics is available at
https://github.com/rusefi/rusefi_documentation/blob/master/Hardware/pnp_microRusEfi_48na/microrusefi48adapter_0.1.pdf
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Re: microRusEfi pnp Miata MX5 NA
TBD
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Re: microRusEfi pnp Miata MX5 NA
TBD
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Re: microRusEfi pnp Miata MX5 NA
It's spring, convertibles are coming out to play (maintaining proper social distancing of course). I volunteer my testing-services for this board. When will it be available for sale?
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Re: microRusEfi pnp Miata MX5 NA
Yes perfect Miata time.
I'm tidying up the routing on the board (a few days), there is approx 12-14 days from ordering to delivery, add the dropshipping time to that and you have it. I will update design status as often as possible.
Gwendal
I'm tidying up the routing on the board (a few days), there is approx 12-14 days from ordering to delivery, add the dropshipping time to that and you have it. I will update design status as often as possible.
Gwendal
Re: microRusEfi pnp Miata MX5 NA
Sounds great!Crazy Striker wrote: ↑Fri Mar 27, 2020 7:25 pmYes perfect Miata time.
I'm tidying up the routing on the board (a few days), there is approx 12-14 days from ordering to delivery, add the dropshipping time to that and you have it. I will update design status as often as possible.
Gwendal
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Re: microRusEfi pnp Miata MX5 NA
Schematics added to first post, still with missing LED resistors...
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Re: microRusEfi pnp Miata MX5 NA
For 3D view lovers
Gwendal
CheersGwendal
Re: microRusEfi48adapter pnp Miata MX5 NA
First batch of 10 boards ordered. Now let's see if shipments from China still make it here.
The suspension is palpable.
The suspension is palpable.
Re: microRusEfi48adapter pnp Miata MX5 NA
I just realized that U2 and U3 won't be populated. I can order some with my next order from Digikey.
Re: microRusEfi48adapter pnp Miata MX5 NA
Just looking through the schematic, trying to figure this thing out. I have a few questions:
- On the injectors: How are the schottkys in series with the LEDs suposed to work. Seems to me like we'll send 12V straight to the LEDs and blow them up as soon as an injector output goes low. Should the diodes be reistors?
- On the High level outputs we got a similar picture: Schottkys in line with LEDs hooked straight to 12V. Not sure what that's for. But it looks like when the high-out is turned off, whatever is hooked up to the output will be pulled high by the LED and Schottky, assuming the output does not pull low when turned off.
- On the left "174917" connector we have 1V and 2A both hooked up to 22. To make up for it 48 is not connected. What's the purpose of this?
Also: Which connector is the one coming from MicroRusefi? Both big connectors are labeled 174917 which would be the standard 48 pin Miata connector. It looks like the MRE connector is kind of scattered all over the schematic.
- On the injectors: How are the schottkys in series with the LEDs suposed to work. Seems to me like we'll send 12V straight to the LEDs and blow them up as soon as an injector output goes low. Should the diodes be reistors?
- On the High level outputs we got a similar picture: Schottkys in line with LEDs hooked straight to 12V. Not sure what that's for. But it looks like when the high-out is turned off, whatever is hooked up to the output will be pulled high by the LED and Schottky, assuming the output does not pull low when turned off.
- On the left "174917" connector we have 1V and 2A both hooked up to 22. To make up for it 48 is not connected. What's the purpose of this?
Also: Which connector is the one coming from MicroRusefi? Both big connectors are labeled 174917 which would be the standard 48 pin Miata connector. It looks like the MRE connector is kind of scattered all over the schematic.
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Re: microRusEfi48adapter pnp Miata MX5 NA
Boards come in boring green, at least we can install used RED connectors from Honda ABS units. Plug compatibility confirmed.
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Re: microRusEfi48adapter pnp Miata MX5 NA
Funny you should be talking about exciting red connectors.
Board is assembled and being tested on the engine simulator. We are dropping sync a lot. See below:
Code: Select all
020-04-23_13_13_10_646: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_10_646: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_745: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_746: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_846: EngineState: time=616 index=0: gap=0.229 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_847: EngineState: time=616 index=0: gap=5.587 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_856: EngineState: time=616 index=0: gap=0.781 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_956: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_10_956: EngineState: error: synchronizationPoint @ index 24 expected 4/8/0 got 9/16/0
2020-04-23_13_13_10_966: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_056: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_057: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_11_057: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_147: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_148: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_249: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_249: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_11_258: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_350: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_350: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_449: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_449: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 5/8/0
2020-04-23_13_13_11_459: EngineState: time=616 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_551: EngineState: time=616 index=0: gap=1.507 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_551: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_11_561: EngineState: time=616 index=0: gap=0.663 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_563: EngineState: time=616 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_565: EngineState: time=616 index=0: gap=0.033 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_651: EngineState: time=617 index=0: gap=18.652 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_652: EngineState: time=617 index=0: gap=1.589 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_664: EngineState: error: synchronizationPoint @ index 13 expected 4/8/0 got 5/9/0
2020-04-23_13_13_11_755: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_756: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_853: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_853: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_954: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_954: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_11_954: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_12_056: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_056: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_157: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_157: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_171: EngineState: error: synchronizationPoint @ index 12 expected 4/8/0 got 4/9/0
2020-04-23_13_13_12_174: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_254: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_254: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_358: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_358: EngineState: time=617 index=0: gap=0.662 expected from 0.895 to 1.940 error=Yes
2020-04-23_13_13_12_457: EngineState: time=617 index=0: gap=1.508 expected from 0.895 to 1.940 error=Yes
Re: microRusEfi48adapter pnp Miata MX5 NA
Trigger log attached.
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Re: microRusEfi48adapter pnp Miata MX5 NA
You have an older microRusEfi running with a harness adapter, have you ever put that older on the the stim? it would be interesting to compare notes. In case of differences I would double-check that Hall divider and pull-up values.
in latest firmware TLE8888 dialog now has "mode" dropdown. So far we've tried "default" and "manual" mode (NB2 likes "manual" mode of TLE8888). Let's try "hall" mode now?
in latest firmware TLE8888 dialog now has "mode" dropdown. So far we've tried "default" and "manual" mode (NB2 likes "manual" mode of TLE8888). Let's try "hall" mode now?
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Re: MREAdapter48 pnp Miata MX5 NA
https://github.com/rusefi/rusefi/issues/897 was the issue, this would never happen again. Thank you Matt for improving the user experience around this feature!
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Re: MREAdapter48 pnp Miata MX5 NA
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Re: MREAdapter48 pnp Miata MX5 NA
Thank you Stefan!
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Re: MREAdapter48 pnp Miata MX5 NA
Not sure how far we're off, but the connector should be in the exact center between the front mounting holes (PCB to case, approx 120mm apart). That would mean approx 17.5mm from each PCB mounting hole.
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Re: MREAdapter48 pnp Miata MX5 NA
Maybe some SD card shield to get SD card via SPI? Please not SD-card socket on the board or at least I would prefer not to be soldering those, those are tricky to solder in my experience
I have a bunch of "Mini Data Logger Logging Shield Module Board For Arduino For Raspberry Pi Recorder Shield SD Card 3.3V Regululator"
I have a bunch of "Mini Data Logger Logging Shield Module Board For Arduino For Raspberry Pi Recorder Shield SD Card 3.3V Regululator"
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Re: MREAdapter48 pnp Miata MX5 NA
https://github.com/rusefi/rusefi/wiki/Miata is the latest page trying to paint the whole picture of Mazda Miata MX-5 Standalone plug and play.
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Re: MREAdapter48 pnp Miata MX5 NA
We have a working proof of concept. MRE on 48 pin board works with a cheap ($1.20) microSD adapter board from Amazon. As soon as the ECU fires up, it starts logging.
1. Please include footprint for microSD adapter in the next gen board design. I believe @andrey suggested this model: https://www.amazon.com/DAOKI-Module-Storage-Expansion-Arduino/dp/B07XF4RJSL/ref=sr_1_18?dchild=1&keywords=micro+sd+arduino&qid=1589498498&sr=8-18
2. While I am willing to partially disassemble the interior of my car and take apart the ECU in order to get to my precious data, a way to retrieve the data via USB would be much preferred. Even if the ECU would have to be booted into a different (data transfer) mode. Any way to achieve this?
Two requests if I may:1. Please include footprint for microSD adapter in the next gen board design. I believe @andrey suggested this model: https://www.amazon.com/DAOKI-Module-Storage-Expansion-Arduino/dp/B07XF4RJSL/ref=sr_1_18?dchild=1&keywords=micro+sd+arduino&qid=1589498498&sr=8-18
2. While I am willing to partially disassemble the interior of my car and take apart the ECU in order to get to my precious data, a way to retrieve the data via USB would be much preferred. Even if the ECU would have to be booted into a different (data transfer) mode. Any way to achieve this?
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Re: MREAdapter48 pnp Miata MX5 NA
Bribes. At this point it's unclear whom to bribe and in what amount.
Interesting relevant fact that both Proteus 0.3 and microRusEFI all use stm32f427 instead of stm32f407 - that gives us a bit of extra RAM and USB hardware on the chip is a bit more powerful with more "endpoints" whatever it means. We just need one developer to dive into this and we should have USB composite device and USB Mass Storage Device... Maybe. There are probably multiple ways to get there.
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Re: MREAdapter48 pnp Miata MX5 NA
@stefanst reports the following SD cards working with rusEFI SPI code, all the way up to 64Gb!
Theoretically some cards no longer support SPI mode but looks like there is still enough cards supporting it. See also https://github.com/rusefi/rusefi/issues/1417
Theoretically some cards no longer support SPI mode but looks like there is still enough cards supporting it. See also https://github.com/rusefi/rusefi/issues/1417
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Re: MREAdapter48 pnp Miata MX5 NA
Getting pretty close to version 0.2 - current schematics is https://github.com/rusefi/rusefi_documentation/raw/master/Hardware/pnp_microRusEfi_48na/microrusefi48adapter_latest.pdf
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Re: MREAdapter48 pnp Miata MX5 NA
@stefanst and @kb1gtt have made a lot of improvements, version 0.2 ordered! Hopefully @stefanst would get PCBs in about 10 days.
https://github.com/rusefi/rusefi/wiki/MREAdapter48 has links to 0.2 schematics and iBom
https://github.com/rusefi/rusefi/wiki/MREAdapter48 has links to 0.2 schematics and iBom
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Re: MREAdapter48 pnp Miata MX5 NA
Rumors are that MREAdapter48 0.2 is a major success but only @stefanst knows for sure.
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Re: MREAdapter48 pnp Miata MX5 NA
The board seems to be a success indeed. I went for several longer rides without any issues. We have a working tune using MAP and a somewhat working tune (needs a better spark table) for running MAF. Idle compensation (closed loop idle) seems to begin working as well. The engine hasn't self-stalled in a while.
A first draft on instructions can be found here: https://github.com/rusefi/rusefi/wiki/Miata-NA-48-pin-board-for-MRE
A first draft on instructions can be found here: https://github.com/rusefi/rusefi/wiki/Miata-NA-48-pin-board-for-MRE
Re: MREAdapter48 pnp Miata MX5 NA
Hi all,
Is there a way to get the 0.2 MRE board either preassembled or kit? I have a 91' NA6 which I am planning to go boost with.
Thanks in advance!
Is there a way to get the 0.2 MRE board either preassembled or kit? I have a 91' NA6 which I am planning to go boost with.
Thanks in advance!