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Danish VW beach buggy Vems v3.1 project. 4 cyl boxer engine, port inj, wasted spark. Im still soldering but having a hard time finding the right dokumentation for v3.1 * See GenBoard/VerThree/Schematic ** it's almost same as v3.6 or v3.7 except minor layout changes and v3.1 lacks cam-HALL inverter 23-05-2013 Before pictures. Topside www.dropbox.com/s/wohkjdyu889yo66/2013-05-21%2001.28.01.jpg Bottom www.dropbox.com/s/73q3ywo2wmqegbz/2013-05-21%2001.27.01.jpg ---- So far i have mounted. Flyback diodes M 724 B14 ZP -> lowZ? confirmed ok. Transient protection diode 1.5KE18A L3 1R5 ok Resistor briged 5X-1-103 26/06/2013 Flyback wire Fuse1 Connectors 4 IRF640N inj FETs 4 22ohm resistors 2 N408AB 14N40FVL FETs ---- Not mounted jet. Mapsensor Anything else missing ? Topside www.dropbox.com/s/5lrytxlz9129kc4/2013-05-23%2000.39.58.jpg Bottom www.dropbox.com/s/97iwhmmsr837lg8/2013-05-23%2000.40.18.jpg ---- 27/06/2013 I have connection problems Any tricks to connect a very old board (number 57) to vemstune ? im receiving 192byte's from ECU (sending 84byte) before getting "Could not find ECU" ---- 28/06/2013 Problem with comunication fixed, forced into bootloader mode and updated firmware to "1.1.94 bootloader update" Whats the recommended firmware version ?? * [http://www.vems.hu/wiki/index.php?action=history&page=GenBoard%2FUnderDevelopment%2FFirmwareChanges 1.2.11] ---- '''Trigger Setup''' Is this set up for primary hall sensor ? Picture: www.dropbox.com/s/5lrytxlz9129kc4/2013-05-23%2000.39.58.jpg Not really, you need for '''primtrig HALL: SJ2 closed !!!''', SJ6 open (which is so), see GenBoard/Manual/InputTriggerHardWare Links: * GenBoard/Manual/InputTriggerHardWare * [v3.1 schematic] ** http://www.vems.hu/files/genboardv3/vems_v31_r222_top.pdf ** http://www.vems.hu/files/genboardv3/vems_v31_r222_bottom.pdf ---- 14/4/2014 '''Trigger Setup''' I found out that I have a VR sensor instead of a Hall sensor... dooh ;-) R30 = Removede again C88 = Not mounted R55 = 10Kohm SJ1 = Shorted SJ2 = 10Kohm <- '''is this ok ?''' SJ6 = Shorted D14 = Not mounted R56 = mounted again = 10Kohm C30 = ok R57 = 75Kohm R87 = 1000Kohm C38 = ok R88 = 100Kohm C31 = ok C39 = ok Mesurement between Trigger1 connecter and LM1815 pin3 = 20Kohm = ok Mesurement between LM1815 pin12 and AVR pin 29 = 0ohm = ok ---- 19/04/2014 '''grounding on fiberglass buggy''' Where should i put my grounds ? Engine is under the black cross Battery is under the blue cross Ecu is mounted on a 2mm stainless steel plate, i have perpared a line of 6mm bolts for grounding on the plate. where to put GND5 (powrground). ? where to put sensor GND ? https://www.dropbox.com/s/47uucgpqvje1tc4/buggy-vems-grunding.jpg
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