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by jbelanger
Mon Sep 27, 2021 2:27 am
Forum: 4-Channel Driver
Topic: 4-Channel Injection Driver Board BOM needed
Replies: 3
Views: 23

Re: 4-Channel Injection Driver Board BOM needed

For the injector drivers, that's correct. But if you also need to logic-level ignition drivers, you will need the two TC4427 and R13-16.

And, I've corrected my previous post to show the links that were missing from my initial copy/paste.

Jean
by jbelanger
Sun Sep 26, 2021 7:28 pm
Forum: 4-Channel Driver
Topic: 4-Channel Injection Driver Board BOM needed
Replies: 3
Views: 23

Re: 4-Channel Injection Driver Board BOM needed

I have a post on the msextra forum that should give you all the needed information: https://www.msextra.com/forums/viewtopic.php?f=101&t=69167&p=525612#p525612. I'll also put the actual text here: I'm sorry for not getting back to you earlier. There is no BOM published other than the quick descripti...
by jbelanger
Fri Sep 10, 2021 7:04 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

No, there is no stepper motor control at this time.

Jean
by jbelanger
Sat Sep 04, 2021 3:07 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

Thank you for your order.

If you want to do switch to ground for your launch circuit as per the manual (first circuit here: http://www.msextra.com/doc/pdf/html/MS2 ... .4-32.html), you will need 2 diodes. The rest of your component lists looks ok.

Jean
by jbelanger
Sun Aug 29, 2021 2:56 pm
Forum: General
Topic: Help CAN-EGT Firmware Update
Replies: 23
Views: 6885

Re: Help CAN-EGT Firmware Update

This is a DIYAutotune product and their web site so they should be the ones making sure this is available. I have spent a long time communicating with them to get this going (as well as time to correct the code and review the updated documentation) and it seemed like they were going to do it but the...
by jbelanger
Sat Aug 21, 2021 10:23 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

No, I do not have any board that has a knock detector. And that knock detector you linked has a simple digital output (on-off) that indicates knock so you could use it with the TIOx. However, I don't know how long the signal lasts so I don't know if you could miss the knock signal in a datalog or fo...
by jbelanger
Fri Aug 20, 2021 11:35 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

Actually, SPR1 and SPR2 are not connected to the MS2 CAN bus unless you connect wires between them and JS6 and JS8. JS6 is CANH and JS8 is CANL. You can check the schematics: http://www.msextra.com/doc/pdf/html/MS2V30_Hardware-3.4.pdf/MS2V30_Hardware-3.4-167.html So if you install the TIOx inside th...
by jbelanger
Mon Aug 16, 2021 2:22 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

You can use 2 ports on the TIOx for this. The IAC will need a driver similar to what is described in section 3.5.4.2 of the MS2 hardware manual; you will need a 1k resistor, a TIP122, a 1N4001 diode and a mounting hardware kit with a mica insulator. You will also need to configure the MS2 to use the...
by jbelanger
Sun Aug 15, 2021 2:59 pm
Forum: I/O Extender
Topic: TinyIOx v1.0 Board questions
Replies: 15
Views: 457

Re: TinyIOx v1.0 Board questions

The TinyIOx has up to 2 generic PWM outputs that can be controlled similarly to the MS3 generic PWM outputs but with the flexibility. You can also use the PWM outputs for some of the MS2 features through CAN (idle control being one). As for any I/O you decide to use on the TIOx, you need to build th...
by jbelanger
Wed Jul 14, 2021 12:16 pm
Forum: I/O Extender
Topic: CAN-EGT Help Needed
Replies: 2
Views: 269

Re: CAN-EGT Help Needed

Sorry for not getting back to you sooner. We can continue this on the msextra forum since the discussion has started there.

Jean
by jbelanger
Wed Jan 13, 2021 5:19 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

You can leave the clip floating as long as you have the other one connected to ground. They should all be connected together inside the device. This is also why you saw the interference between the signals. Connecting both clips to the same ground will also work but will be redundant.

Jean
by jbelanger
Wed Jan 13, 2021 4:06 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

I suspected that this was your issue because that's not obvious when you're not used to working with a scope (or at least with that type of signal). You really need to think of the clip as the reference for all the signals and not simply the ground or the '-' of the signal you're measuring. You can ...
by jbelanger
Wed Jan 13, 2021 3:33 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

Your problem is that you're using VR+ and VR-. Neither of them is a ground or reference. You cannot connect the alligator clip to them or you'll screw up the signal on all the channels. Connect the probe to either VR+ or VR- and leave the clip unconnected. As long as you have the other clip connecte...
by jbelanger
Wed Jan 13, 2021 2:39 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

What are each wire connected to? Black, orange, yellow, red? And which alligator clip (yellow, red) correspond to which probe? I can't see from the picture.
by jbelanger
Wed Jan 13, 2021 2:06 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

You either have wiring problem or a measuring problem. The output you're seeing is not possible from the board: you either have 5V or 0V at the output. If you're seeing something else (the bump in your trace or, even worse, 8.4V peak), you are either not measuring the actual output of the board poss...
by jbelanger
Sat Jan 02, 2021 9:47 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

Good to see you have a working setup. But it is annoying to not be certain what the issue was. It might be that you corrected some issue through the re-wiring or you may have an unstable input on your MS; there might be a cold solder on one of the input circuit component. Let's see what the DIYAutot...
by jbelanger
Thu Dec 31, 2020 11:55 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

There are so many oscilloscope choices out there that it is difficult to give an advice. It also depends if you think you'll use it a lot or you just will need it once in a while and if you think you will always have a PC available. In the latter case you could go with a USB scope which will be chea...
by jbelanger
Thu Dec 31, 2020 6:23 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 88
Views: 83451

Re: Dual VR V2.1

Eric, Can you compute the frequency of the signal at the point where the speed goes wrong (which is what I assume happens in your picture where the speed goes way up before going back down to 0)? But that's probably not the issue. If that goes completely down to 0 and stays there when at other times...
by jbelanger
Tue Dec 29, 2020 7:34 pm
Forum: Dual VR
Topic: Dual VR 2.1 Installation Box
Replies: 2
Views: 1645

Re: Dual VR 2.1 Installation Box

Nice setup and thanks for sharing!

Jean
by jbelanger
Fri Dec 18, 2020 1:33 pm
Forum: I/O Extender
Topic: TinyIOx
Replies: 28
Views: 15507

Re: TinyIOx

Marc,

Good to see that it is working well.

And yes, I have them in stock. The only problem is that shipping is slower at this time due to COVID and the holidays so I can't say when you can expect to receive the boards.

Jean