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Megasquirt 3 PRO

  1. #15
    Senior Member ap67et10's Avatar
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    Headed home from Florida, but had a great time with the DIYautotune guys, the tuning software writer and the inventors. Had lots of interesting conversations and saw quite a few people affiliated with "other" efi companies checking it out and asking questions. Had a ton of fun and I'm super excited about where megasquirt is headed with this product and quite a few more products in the works. Here is the feature list and discription that DIY put out on their website.


    Andrew




    DIYAutoTune.com unveiled the new MS3-Pro at the PRI trade show, 2012. This new system is based on the proven MegaSquirt-III design, but DIYAutoTune.com has revised it heavily to better meet the needs of professional tuners and racers.





    The MS3-Pro combines the features of the MS3 with MS3X, Knock Module, and Real Time Clock Board on a single circuit board in a sealed case. The o-ringed case is splashproof and, if you want continuous immersion resistance (the MS3-Pro displayed at PRI was at the bottom of a fish tank), it's easy to add a bead of silicone for extra protection.

    The MS3-Pro is ready to support a wide variety of engines out of the box, with the ability to run a V8 with sequential fuel and coil on plug, a V12 with sequential fuel and wasted spark ignition, or a four rotor Wankel with separate leading and trailing ignition outputs. Over 50 different ignition modes are supported, from mainstream applications like the GM LS1, Bosch Motronic, and Chrysler Gen III Hemis to unusual modes like Renix Jeeps and the Suzuki Swift GTI.

    The MS3-Pro's packaging is a departure from most previous MegaSquirt EFI Systems, although it has a noticeable resemblance to the V3 MicroSquirt. Instead of the industrial looking split aluminum case and D-sub connectors, the MS3-Pro uses a sealed high temperature nylon case for light weight and compact size, and heavy duty AMPSEAL connectors. This provides a compact and sealed enclosure protecting the sensitive internals from the elements. The MS3-Pro's design keeps the heat generated to a minimum, allowing it to use a lighter plastic case instead of a metal heat sink.

    Retail pricing for both the ECU and wiring harness will be under $1,200. Expect it to hit the shelves by January 1, 2013.

    Here is a complete list of the MS3-Pro's features:

    Hardware features:

    � Freescale MC9S12X 16 bit, 50 MHz asymmetrical dual core processor
    � 10 saturated injector drivers
    � 8 logic level ignition outputs
    � 3 high current (5 amp) general purpose outputs - 2 can be reconfigured as additional injector drivers
    � 3 medium current (3 amp), high frequency general purpose outputs
    � 1 stepper H-bridge driver
    � Camshaft and crankshaft differential inputs - supports VR, Hall effect, and optical input
    � 12 volt tach output
    � Fuel pump output
    � 8 analog inputs (5 dedicated sensor inputs, 3 general purpose)
    � 5 general purpose on/off or frequency inputs
    � 2 digital I/O logic inputs
    � 2 knock inputs
    � RS232, USB 2.0, and CAN communication
    � Onboard SD card for internal data logging
    � Internal ECU temperature sensor
    � Real time clock
    � Temperature range: -30 to +80 degrees C (-40 to +85 without battery for real time clock)

    Software features:

    � Supports speed density, alpha-N, or MAF based fuel and spark tables
    � 1 microsecond injector pulse width resolution
    � Tables for nonlinear injector behavior at small pulse widths
    � Allows blending multiple load types, including specialized mode for independent throttle bodies
    � Supports a wide variety of OEM cam and crank position sensors
    � Individual cylinder trim tables for fuel and ignition
    � Accelerator pump or model based acceleration enrichment
    � Closed or open loop idle speed control
    � Closed or open loop boost control with gear or speed based tuning options
    � On/off or closed loop continuously variable valve timing control - supports up to 4 channels
    � On/off or progressive nitrous control
    � Traction control
    � Rally anti-lag
    � Rotary support - can run up to 4 rotor engines with separate leading and trailing spark tables
    � Staged injection
    � Table switching
    � 16 x 16 fuel and spark tables - can be reconfigured to function as 30 x 16 or 16 x 30 by switching tables based on RPM or load
    � 2 or 3 step rev limiter with no-lift shifting
    � Wideband AFR target tables
    � Flex fuel sensor input
    � Allows repurposing injector or ignition outputs as general purpose outputs, or high current outputs as injector drivers for 12 cylinder sequential applications
    � Real time barometric correction
    � A/C and cooling fan control with idle compensation
    � Safety shutdown based on AFR or EGT input
    � Motorcycle shift cut
    � 6 General purpose on/off or PWM inputs

    Although the current MS3-Pro is a universal, wire-in ECU, DIYAutoTune.com expects to follow up with several plug and play variations for 2013.
    Last edited by ap67et10; 12-02-2012 at 10:12 AM.

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  3. #16
    Senior Member steveo143's Avatar
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    Will it be able to interface with a Racepak dash?
    steveo143 AKA DiMarco 21 II



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  4. #17
    Or Seth, either one Budweiser's Avatar
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    Been a enthusiast of (however not yet utlilized) MegaSquirt for years. Looking forward to soldering my own up from scratch (kit). Nice to see DIYAutoTune.com is offering this new unit for the guys that just want the end result in a nice professional package.

    Is there a way to connect a gps signal to one of the extra general purpose inputs to data log speed too?

    Or, even beyond that, the possibility of writing a code that compares the known flow rate and pulse width of the injectors to gps speed to log (or view) fuel economy (mpg/gpm)?
    Last edited by Budweiser; 12-02-2012 at 11:58 AM.
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  5. #18
    Senior Member ap67et10's Avatar
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    Quote Originally Posted by steveo143 View Post
    Will it be able to interface with a Racepak dash?
    It already does interface with racepak through the CAN network, however there are cheaper options that offer better usability and more logging functions. You can get a Bluetooth adapter and wirelessly monitor gauges as a racepak would. When the "Shadow Dash" is on it automatically starts a log. there are even tons of options to make and design your own personal dashboard with any and all the gauges you prefer to look at.

    You can use an android phone or tablet and as long as it has bluetooth function. If it has a gps it will be fully integrated to the data log so vehicle/boat speed would be displayed on the tablet and recorded in the log as well. (there are external gps's that also are supported and are very fast refresh) the system will evolve to track your movement on a comprehensive map for lap and speed testing on race cars/boats. (basically what the $1500+ trackmate and similar systems do....I saw about 4 different ones at PRI)

    When that feature is adapted to the system you could use the spare inputs for pump pressures or wheel speeds or suspension travel (you can monitor all those already if you want) to monitor when why and how you were slower in a particular area of a track or lake during a race or testing, you would also have all engine inputs to make decisions about your tune during those times or make changes to suspension, pump....whatever you see as the issue. All from one box.

    Inevitably with all this info and logging capability it will also, down the road, be able to determine quarter mile times, 1000' times and calculate HP and TQ to a fairly accurate degree.



    Andrew

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    Senior Member ap67et10's Avatar
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  7. #20
    Highaboosta Unchained's Avatar
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    Quote Originally Posted by ap67et10 View Post
    You can use an android phone or tablet and as long as it has bluetooth function. If it has a gps it will be fully integrated to the data log so vehicle/boat speed would be displayed on the tablet and recorded in the log as well. (there are external gps's that also are supported and are very fast refresh) the system will evolve to track your movement on a comprehensive map for lap and speed testing on race cars/boats. (basically what the $1500+ trackmate and similar systems do....I saw about 4 different ones at PRI)

    Inevitably with all this info and logging capability it will also, down the road, be able to determine quarter mile times, 1000' times and calculate HP and TQ to a fairly accurate degree.

    Andrew
    That's what I've been waiting to see, an EFI system that connects to a GPS to graph accelleration rate.

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  8. #21
    Senior Member ap67et10's Avatar
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    There will soon be some plug and play units made with this pro unit so that you can plug directly into factory harnesses. One of the first one to hit the market could likely be the LS platform. Plug it in and go...its in the future for you LS guys


    Andrew

  9. #22
    Senior Member ap67et10's Avatar
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    Quote Originally Posted by Unchained View Post
    That's what I've been waiting to see, an EFI system that connects to a GPS to graph accelleration rate.
    Yeah, it's a no brainier with a system that can do just about everything. I have a sneaking suspicion that many may not want to see/use that feature!


    Andrew

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