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1 MicroSquirt Module – V2.2M January, 2009 BG Soflex, LLC www.microsquirt.info V2.1 Version Shown Here.

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Presentation on theme: "1 MicroSquirt Module – V2.2M January, 2009 BG Soflex, LLC www.microsquirt.info V2.1 Version Shown Here."— Presentation transcript:

1 1 MicroSquirt Module – V2.2M January, 2009 BG Soflex, LLC V2.1 Version Shown Here

2 2 MicroSquirt Module  MicroSquirt encapsulates pretty much everything that MegaSquirt has to offer, in a board the size of a business card. It would be nice to have this package for a true DIY setup…  For real engine experimenters, the MicroSquirt PCB is offered in a module format:  The exact same circuit of MicroSquirt is used (except ignition drivers, its logic-level output only on the module).  Ampseal is replaced with a 0.1” header, two rows of 25 pins (J2). All I/O are present on this header. Easy-to-source solution.  Additional processor I/O brought out on 2x5 header (J1).  Module size is 2.4 inches X 3.5 inches – credit-card sized!  Complete, tested module loaded with embedded Engine Control Firmware.

3 3 The MicroSquirt Module 2x25 – 0.1” J2 Header 2x5 – 0.1” J1 Header

4 4 J2 Header (0.150, 2.945) (0.2, 0.205) (2.2, 0.205) (2.2, 3.31) (1.8, 3.31) All Dimensions In Inches Mounting Locations for Module All Finished Hole Diameters Are 0.125” J1 Header (1.0, 0.205)

5 5 Pin 1, V Battery Pin 3 – MAP Pin 4 - Serial Rxout Pin 5 – Coolant Pin 6 – Serial Txout Pin 7 – AccelLED/GPIO Pin 8 – Bootload Pin 9 – MAT Pin 10 – CANH Pin 11 – WarmLED/GPIO Pin 12 – CANL Pin 13 – TPS Pin 14 – VR in2(+) Pin 15 - Vref Pin 16 – SpareADC2/MAF Pin 17 – SpareADC1 Pin 18 – FLEX Pin 19 – Opto in(+) Pin 20 – Fidle Pin 21 – Opto In(-) Pin 22 – Fpump Pin 23 – VR In1(+) Pin 24,26,28,30,32 – Inj1 Pin 25 – VR In(-) Pin 27 – O2 Pin 29 – Tachout Pin 31 – SensorGND Pin 33,35,37,39,41,43,49 – PowerGND Pin 34,36,38,40,42 – INJ2 Pin 44,46 – IGN2 Pin 48,50 – IGN1 Module J2 Pinout See MicroSquirt documentation for signal descriptions:

6 6 Pin 1 – PA0 Pin 2 – PE1 Pin 3,5 - Gnd Pin 4 - Alt-INJ1 Pin 6 – Alt-INJ2 Pin 7 – PT7 Pin 8 – Alt-CAM Pin 9 – PT6 Pin 10 – IACEnbl Module J1 Pinout

7 7 MicroSquirt Module  I/O Header is standard.100” (2.54mm) size, 2 rows of 25 pins (50 total circuits). Unpopulated.  Example receptacle header – Tyco/Amp  Matching pin header – Tyco/Amp  Standoffs are 7/16”, 1/4” Hex with 4-40 screws (Fascomp FC A).

8 8 MicroSquirt Module  MicroSquirtModule is designed to be plugged into a Motherboard arrangement. This allows you to design your own custom PC board with any connector and accessory options you would like – here are some ideas:  USB connectivity  Bluetooth or Zigbee Wireless  On-board MAP and Baro sensors  On-board signal stimulator  Use of WBO2 modules  Connector for direct plug in (EEC-IV, L-Jet, GM, etc.)  Multiple modules for redundant setups, auxiliary fuel injectors, dual-fuel setup (gasoline+CNG), extended GPIO, etc. ….its up to you!

9 9 MicroSquirt Module – Eval Board  The MicroSquirt Module Experimenter’s board:  Mounts MicroSquirt module, breaks out all signals to screw terminals. For test and evaluation of the MicroSquirtModule.  Provision for MAP sensor, Serial DB9, and selection DIP switches.  Large user prototype area and user circuit for PIC18F processor, CAN, LEDs, serial transceiver, 5V power supply.


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