Search found 3686 matches

by jbelanger
Thu Jul 18, 2019 3:51 pm
Forum: I/O Extender
Topic: Logger Board with GPS
Replies: 2
Views: 9

Re: Logger Board with GPS

I should have added that if you don't care about always doing a cold boot for the GPS module (longer to lock onto satellites) and don't care about keeping the realtime clock at the correct time/date, you can always connect the VBat pad to the 3.3V pad and that will provide the needed votage to both ...
by jbelanger
Thu Jul 18, 2019 3:37 pm
Forum: I/O Extender
Topic: Logger Board with GPS
Replies: 2
Views: 9

Re: Logger Board with GPS

You should be able to use the default data on the MS3. You can have a look at ini file for the IOx and you will see that the offset for gps_latdeg is 128 (in the OutputChannels section) which is also the default offset on the MS3 in the CAN GPS settings. There are 2 CAN messages with 8 bytes each so...
by jbelanger
Tue Jul 16, 2019 12:29 pm
Forum: 4-Channel Driver
Topic: No spark on number 3?
Replies: 2
Views: 12

Re: No spark on number 3?

If you have a jumper between the ground pin and the pad that means you are using the external ground and you need to connect that ground to the JimStim ground when bench testing. The fact you 3 working channels is just a luck of the draw and you're working in a unstable state of the chip.

Jean
by jbelanger
Mon Jul 15, 2019 5:57 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 62
Views: 53129

Re: Dual VR V2.1

That's on the input side so that has no impact on the 4 channel board. And for the dual VR board, this whole circuit should be bypassed. You should remove C11 and R11 and connect the output of the dual VR board (OUT1 or 2) to a pad that connects directly to the CPU on IRQ-1 (pin 14 on the CPU). I do...
by jbelanger
Thu Jul 11, 2019 12:45 pm
Forum: Dual VR
Topic: Dual VR V2.1
Replies: 62
Views: 53129

Re: Dual VR V2.1

If you look at the schematics you will see that C21 is actually Vref so powering the dual VR board may introduce some noise on the sensors. It would be better to power from some other component on the 5V supply. Check page 4 of the schematics: http://www.msextra.com/doc/general/pix/megasquirt_ShemV2...
by jbelanger
Thu Jul 11, 2019 12:41 pm
Forum: Introduce yourself
Topic: Been an MSextra user for a while, but doing some mods.
Replies: 1
Views: 65

Re: Been an MSextra user for a while, but doing some mods.

Hi and welcome to the forum!

Jean
by jbelanger
Wed Jul 10, 2019 11:51 pm
Forum: Peak&Hold Driver
Topic: P&H boards and parts availability
Replies: 8
Views: 99

Re: P&H boards and parts availability

That looks fine. The FR302 or FR303 is available from Mouser from different manufacturers (the FR303 has a 200V reverse voltage instead of the 100V for the FR302 but 100V is sufficient). This link will give you plenty of choices for a replacement from Digikey. Also, it is basically the same as D5 an...
by jbelanger
Fri Jul 05, 2019 3:46 pm
Forum: Peak&Hold Driver
Topic: P&H v1.1b Injector Impedence
Replies: 5
Views: 1176

Re: P&H v1.1b Injector Impedence

Yes. The peak current will obviously never be reached and then the hold current will continue to provide full battery voltage to the injector as long as it is no more than 1A. If the injector impedance is such that full battery voltage would generate more than 1A then the circuit will limit the curr...
by jbelanger
Tue Jul 02, 2019 12:16 am
Forum: General
Topic: Tables and Offset Settings after cofiguration error
Replies: 11
Views: 170

Re: Tables and Offset Settings after cofiguration error

You have enabled the digital I/Os on the IOx and you have the ports polling enabled on the MS3 for an input port but I don't see that you are using any CANIN on your MS3. Also, you have the settings all wrong for the ports on the IOx because you have only an output port configured as a single PWM ou...
by jbelanger
Sun Jun 30, 2019 6:52 pm
Forum: General
Topic: Tables and Offset Settings after cofiguration error
Replies: 11
Views: 170

Re: Tables and Offset Settings after cofiguration error

There were a few typos in the ini when it was initially released so you might want to download the one (linked at the post I linked above) on the site and use it. That might be what you're seeing when you say it didn't like the ini. And the best way of loading the IOx firmware is to use the port sca...
by jbelanger
Sun Jun 30, 2019 2:21 pm
Forum: General
Topic: Tables and Offset Settings after cofiguration error
Replies: 11
Views: 170

Re: Tables and Offset Settings after cofiguration error

The table number is not set in the ini. It just tell TunerStudio which table to read by telling it which command to use. And this is the table that contains all the log data so this is what TunerStudio will read and what the MS3 will also read when it wants to get data from the IOx or the CAN-EGT. A...
by jbelanger
Sun Jun 30, 2019 1:35 pm
Forum: General
Topic: Tables and Offset Settings after cofiguration error
Replies: 11
Views: 170

Re: Tables and Offset Settings after cofiguration error

You are correct that the documentation is lacking. As for where to look in the ini, you need to check the OutputChannels section. The table is not obvious but you can see it in this line: ochGetCommand = "r\x05\x07%2o%2c" where '05' is the standard CAN ID for the IOx and '07' is the table number. Th...
by jbelanger
Sun Jun 30, 2019 1:30 pm
Forum: I/O Extender
Topic: Newest firmware
Replies: 2
Views: 41

Re: Newest firmware

The latest firmware is 0.1.2: http://forum.jbperf.com/viewtopic.php?f=9&t=1294 There is a v1.2a board but no 0.1.2a firmware. Maybe that's what you were thinking of? Looking at your other post, you already have the latest firmware in your IOx. However, there is a more recent firmware for the CAN-EGT...
by jbelanger
Sun Jun 16, 2019 5:01 pm
Forum: I/O Extender
Topic: TinyIOx AFR data from LC-1 going to 22.4
Replies: 4
Views: 86

Re: TinyIOx AFR data from LC-1 going to 22.4

That looks to be a similar behaviour where you have many errors and then many full lean readouts.

Jean
by jbelanger
Fri Jun 14, 2019 10:36 pm
Forum: I/O Extender
Topic: TinyIOx AFR data from LC-1 going to 22.4
Replies: 4
Views: 86

Re: TinyIOx AFR data from LC-1 going to 22.4

That datalog does show that there are also many errors because the 8.0 value does show up almost as much as the 22.4 value. I don't know how your gauge is connected to the LC-2 or how the LC-2 handles its analog output when there are errors (if that's how your gauge is connected) but there are defin...
by jbelanger
Fri Jun 14, 2019 12:56 pm
Forum: I/O Extender
Topic: MS3 Pro Ultimate and accelerometer
Replies: 9
Views: 113

Re: MS3 Pro Ultimate and accelerometer

Please let continue that on a single forum. I've posted on your thread on the msextra forum.

Jean
by jbelanger
Mon Jun 10, 2019 2:23 pm
Forum: Wish List & Requests
Topic: Wheel Translator Board
Replies: 10
Views: 579

Re: Wheel Translator Board

You don't need to figure out some code from somewhere else. You 'just' need to get the MS3 developers to modify their existing code to allow it to be used without a cam signal. That code modification should be quite simple but I haven't seen the latest MS3 code so that's only speculation. Trying to ...
by jbelanger
Mon Jun 10, 2019 2:08 pm
Forum: Wish List & Requests
Topic: Wheel Translator Board
Replies: 10
Views: 579

Re: Wheel Translator Board

So my question is how many teeth could your board read and what vehicle was it intended to be used on? 135 works for 5 and 6 cylinders because you can divide by 5 and get a virtual 45-1. This works for a 5 cylinder with 18 teeth between ignition events (but you do need a cam signal) and it works fo...
by jbelanger
Sat Jun 08, 2019 4:07 pm
Forum: Wish List & Requests
Topic: Wheel Translator Board
Replies: 10
Views: 579

Re: Wheel Translator Board

135 works for 5 and 6 cylinders because you can divide by 5 and get a virtual 45-1. This works for a 5 cylinder with 18 teeth between ignition events (but you do need a cam signal) and it works for a 6 cylinder with 15 teeth between ignition events (and it can either be with or without a cam signal)...
by jbelanger
Sat Jun 08, 2019 3:48 pm
Forum: I/O Extender
Topic: MS3 Pro Ultimate and accelerometer
Replies: 9
Views: 113

Re: MS3 Pro Ultimate and accelerometer

You say that the calibration is correct but if you do not get the correct value with the g gauges then it is not correct. You can have the raw data at the same time as the g data so check what you get when you do the calibration for -1g and +1g. Post pictures of the gauges for both raw data and g da...