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The cable is connected to the 6-pin header shown in the picture below. The cable is manufactured by FTDI and is shown below.

.megatune diy instrutions serial#

The serial communication with the JimStim CPU is done using the specific cable referred to in the v1.5 BOM. Serial Communication and USB Power Supply Warning: Do not connect a 12V supply or output on any of the first 6 pins of the 10-pin header because that will likely burn the LED and may even damage the MegaSquirt board. The first 6 LEDs can only be used for sink outputs and the 2 IAC LEDs can be used for any output with the correct connections. The LEDs can also be used for other outputs. The LED will then from red to green and green to red for each step commanded by the MS2 CPU. To show the IAC output, the 2 pins from the 10-pin header are connected to the A and B pins from the DB37 using the corresponding pins on the 19-pin header (or the screw terminals).

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There is also a resistor in series with each LED (R11-R12). These LEDs are dual color LEDs and are connected to the last 4 pins of the 10-pin header: pins 7-8 for the IAC1 LED and pins 9-10 for the IAC2 LED. The last 2 LEDs can be used to show the IAC outputs from the MS2 daughterboard. Which DB37 pin to use depends on the hardware and firmware version and how the connections were made on the MegaSquirt board To show the ignition output on a LED, the pin from the 10-pin header has to be connected to the DB37 using the correct pin on the 19-pin header on the left (or the corresponding screw terminal) using a wire jumper. The first 6 LEDs are connected to the first 6 pins of the 10-pin header shown in the picture below and to 5V through resistors (R5-R10). There are 8 auxiliary LEDs that can be used to show the ignition and IAC signals generated by the MegaSquirt board. The pictures below show the primary and secondary tach signals pull up jumper positions. For a pull up on the secondary tach signal, the lower row of pins is used. For a 12V pull up of the primary tach signal, a jumper is put between the top middle pin and the top right pin. You may apply one using jumpers on the header pins shown in the picture below.ДЇor a 5V pull up of the primary tach signal, a jumper is put between the top left pin and the top middle pin. The tach signal will need a pull up if the MegaSquirt's tach circuit used does not provide it (such as the V3.0 standard tach circuits). If an external secondary tach signal is used, it is connected directly to the appropriate pin on the header in the middle of the board depending on how the 2 nd trigger has been wired on the MS board. In that case, this external signal is connected to the middle pin of the 3-pin header (in lieu of the jumper). If desired, an external signal can be used as primary tach instead of the signal generated by the JimStim. If a secondary tach signal is needed, it has to be connected with a jumper wire from the 2 nd trigger header pin to the appropriate pin on the header in the middle of the board (depends on how the 2 nd trigger has been wired on the MS board).

a corrected pattern for the following wheel modes.

a 50/50 second trigger on the 36-1 wheel mode.

Note: The above specifications and configurations may be subject to improvements and modifications.ДЇirmware V2.0.4 is modified from previous versions such that it now has: The DIP switches to use to select the wheel mode are shown here: DIP switch position 1 is not used at this time so should be left in the OFF position.

.megatune diy instrutions Manual Pdf#

Megasquirt-2 TunerStudio Reference manual PDF DIP switches to select which wheel will be simulated by the JimStim are shown below.This manual contains a reference of all the tuning settings, datalog fields and general TunerStudio usage. Guide du dГ©veloppeur pourВ Microsquirt-Module (FR) PDF WWW.Microsquirt-Module Developers guide PDF WWW.Pick the ONE manual that applies to your ECU.

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These manuals contain wiring, fuel and ignition setup and board assembly details that are specific to your exact ECU version. Megasquirt-2 Mise en route (FR) PDF WWW.This manual contains a QuickStart Guide, installation, tuning and feature background information.

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Manuals are available to download as PDFs or to view online page by page in your web-browser. The manuals are split into three main sections : 1. Manuals for Megasquirt-2, Microsquirt, MS2, DIYPNP, MSPNP2 and Microsquirt-module based ECUs (3.4.x firmware)