Megasquirt V3 Board complete (MSII)

Skeen · Post by **Skeen** » Feb 20, 2006 1:17 AM

Well, I did a little soldering in the dorm today (shhh...) and finished up the ECU. Everything is working except my fast-idle according to the LED on the stimulator board, but that shouldn't take too long to track down. The post office says my 60-2 wheel and crank sensor is waiting for me to pick up tomorrow. Hopefully I can make a run to a Pull-A-Part this week to grab a few things and I'll be on my way. Might have a brain transplant next weekend if all goes well.

russc · Post by **russc** » Feb 20, 2006 1:57 AM

By fast idle you mean the ICV control lines, right. In this case the PWM line to the ICV. By schem I think the three line ICV is modded by not having the 2 PWM lines. One is used and the other end of the ICV is tied to GND through a power resister. ICV center it obviously +12V.

Theres alot of discussion on how well this works not having the 2 line interface. I hope it works OK.

RussC

[Edit by russc on [TIME]1140418763[/TIME]]

altus22 · Post by **altus22** » Feb 20, 2006 11:16 AM

What are you planning on using for ignition? Wasted spark? Single coil? Waiting for the router board to do COP?

Skeen · Post by **Skeen** » Feb 20, 2006 12:19 PM

Planning on wasted spark.

russc · Post by **russc** » Feb 21, 2006 3:13 PM

Hey Skeen,
I though MSII dosen't support a 60-2 wheel yet? Can verify or planning a fuel only rig to start?

RussC

Skeen · Post by **Skeen** » Feb 21, 2006 4:46 PM

I will be running fuel and ignition. I'm told the 60-2 will work fine. I'll let you know how it goes.

russc · Post by **russc** » Feb 21, 2006 4:57 PM

[QUOTE="Skeen"]I will be running fuel and ignition. I'm told the 60-2 will work fine. I'll let you know how it goes.[/QUOTE]

Who told you that?

RussC

Skeen · Post by **Skeen** » Feb 21, 2006 5:04 PM

Peter Florence among others.

[Edit by Skeen on [TIME]1140559514[/TIME]]

russc · Post by **russc** » Feb 21, 2006 7:36 PM

Are you sure about 60-2, theres two guys at BF saying it doesn't right now?????

Oh, OK, I just say your last post, I hope so. Did Peter say he has it runing on his car?

RussC

[Edit by russc on [TIME]1140568722[/TIME]]

Skeen · Post by **Skeen** » Feb 21, 2006 7:48 PM

Peter is running VR off the old-style distributor, but he suggested it would be better to get the M30B35 equipment than to figure out the speed and reference sensor stuff. We'll find out soon enough. A few other guys here at school that know quite a bit about MS have been saying it should work. I guess I'll find out.

russc · Post by **russc** » Feb 21, 2006 7:58 PM

I'll be doing the rpm/referenct sensor stuff(if all goes well) in the next 2 weeks. I will have the circuit ready on schematic a week or so after that. Peter, yourself or anyone else that is ready to try it can. I wont be using it myself for a while, as I won't install the MS for Id guess 2 months. But Im 95% sure we can make the existing sensors work, its just a matter if the MS software can support it. The electronics are trivial.

RussC

Skeen · Post by **Skeen** » Feb 21, 2006 9:00 PM

I don't doubt that it can be done. Peter said he's been working on for a little while, but I don't think he's spending a lot of time on it. If I can't get the 60-2 working for some reason, I might give your work a try. I'm sure others will be very interested in trying it too. I suspect Bill in MN would be.

russc · Post by **russc** » Feb 22, 2006 4:24 AM

Umm, at the least, you can wire in on the proto type area a divide by 2 on the output of the crank 60-2 trigger circuit. This would divide down the 60-2 to 30-1. Im pretty sure the MSII supports that.

RussC

Post by **Shawn D.** » Feb 22, 2006 7:46 AM

russc wrote:Umm, at the least, you can wire in on the proto type area a divide by 2 on the output of the crank 60-2 trigger circuit. This would divide down the 60-2 to 30-1. Im pretty sure the MSII supports that.

Are you talking about an IC that divides by two? What IC is that? If not, what is specifically entailed with "wire in on the proto type area a divide by 2 on the output of the crank 60-2 trigger circuit"?

[Edit by Shawn D. on [TIME]1140612410[/TIME]]

altus22 · Post by **altus22** » Feb 22, 2006 1:24 PM

A flip flop IC is commonly used as a divider. The first pulse turns it on, the second turns it off, etc. I would suggest putting it through an op amp to bring it up to CMOS level and then through a bounceless buffer to make it a square wave and then through the flip flop.

russc · Post by **russc** » Feb 22, 2006 3:00 PM

[QUOTE="altus22"]A flip flop IC is commonly used as a divider. The first pulse turns it on, the second turns it off, etc. I would suggest putting it through an op amp to bring it up to CMOS level and then through a bounceless buffer to make it a square wave and then through the flip flop.[/QUOTE]

W/O looking at the MS circuit, I don't think you need a buffer for the d-flop. You would take the 60-2 signal after the signal conditioner thats already there. It should be in the proper IC family so just a flop is needed.

Ill have to look at the MS circuit again to verify that.

RussC

bahnstormer · Post by **bahnstormer** » Feb 22, 2006 11:47 PM

i'll be doing MS on mine but not MS2

i'll be doing MegaSquirt 'n Spark -E

All ignition options require some mechanical or electrical work
Ignition control options:
. No ignition (fuel only)
. Distributor for even-fire 2 stroke 1,2,3,4 cyl and
even-fire 4 stroke 1,2,3,4,5,6,8,10,12,16 cyl
. Ford EDIS
. Dual Ford EDIS (e.g. 2 EDIS4 modules on a V8) TEST
. Dodge Neon crank decoder
. Ford TFI
. GM 7 pin HEI
. Toothed wheel decoder
. Dual wheel decoder/2nd trigger
. GM DIS
. Buick C3I
. Oddfire wheel decoder ALPHA TEST

russc · Post by **russc** » Feb 23, 2006 12:08 AM

Right, the MSnS&E will support the either the 60-2 or the dual input for the existing sensors.

RussC

papajetta · Post by **papajetta** » Feb 23, 2006 9:49 AM

dont mean to hijack the thread, but is there anyone out there that is willing to give up working m30 base settings ( msq files )?
example: ve tables, constants, afr table....
or at least somewhere to begin. it'll help everyone save many hours , and possibly a couple of set of plugs

russc · Post by **russc** » Feb 23, 2006 2:12 PM

the only ones who can do that for you right now are TCD for fuel or PeterF at First Fives.

RussC

altus22 · Post by **altus22** » Feb 23, 2006 6:49 PM

[QUOTE="papajetta"]dont mean to hijack the thread, but is there anyone out there that is willing to give up working m30 base settings ( msq files )?
example: ve tables, constants, afr table....
or at least somewhere to begin. it'll help everyone save many hours , and possibly a couple of set of plugs[/QUOTE]

I can send you my msq and VE maps also, although I have a lowly 3 liter at the moment.

bahnstormer · Post by **bahnstormer** » Mar 01, 2006 10:46 AM

have u checked the MS forums?
i think there's a few ppl on there that
can send u a base map to at least get 'er started...
altho dont quote me on that please =]

russc · Post by **russc** » Mar 01, 2006 1:46 PM

[QUOTE="bahnstormer"]have u checked the MS forums?
i think there's a few ppl on there that
can send u a base map to at least get 'er started...
altho dont quote me on that please =] [/QUOTE]

While there are lots of ppl there, none have done a M30 except for PeterF, Todd and Altus. If you can get them to send you a base map, Mmmmm. You might have better luck using $ to get a base map from them.

I searched the entire MS forum for all BMW content, and the only M30 there was PeterF car.

RussC

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Megasquirt V3 Board complete (MSII)