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I've bought an old VEMS (V3.3 - V3/531) which I'm upgrading. Thematically organized, editable page (like this) is '''required''' for support (otherwise optional). * [http://www.vemssupport.com/forum/index.php?topic=8754.0#msg32754 external] (non-editable) ---- I would like to buy all the parts needed to do a (almost) max (??) upgrade. * 2xWBO * 2xEGT ** AD597 * have full 8 IGBT * and have as many analog inputs as possible ** does NOT usually require any special parts (perhaps some resistors like 2k7 for pullup to +5V) * of course all this is far from "max", since VEMS can control 4 camshafts + 2 CAN-buses, DBW / electronic throttle(s), ... I havent decided whether its going on a BMW M42 engine, or a S38 yet. Both of those are VR/VR though, so i need a secondary VR chip (LM1815) * So far from the forum ive found im missing R103 and R3 ** use order comment for a list of resistor values, like: ** 0805 : 5x 2k7 2x 10k ** throughole: ... ** add a few (eg +2) extra each, these are cheap like 1 EUR / item (handling, the parts are almost free) I also dont know if i need a stepper driver? It is missing on my board * if you need, you can install. Most engines don't need stepper outputs. http://i.imgur.com/PcIqlX6h.jpg * For NA engines ( 20-103 kPa), any MAP sensor is suitable. * Use wires to connect the second WBO2 (through some connector, like SSC5 female). ** See GenBoard/VerThree/Schematic ** pump- and +12V are shared between 1st and 2nd WBO2 (pump+ nernst, heater are separate) ---- '''List''' * [https://shop.vems.hu/catalog/amplifier-chip-p-31.html AD597] * [https://shop.vems.hu/catalog/additional-coil-interface-p-52.html LM1815] * [https://shop.vems.hu/catalog/resistor-p-86.html 27k resistors] for LSU4.9 nernst pullup to +5V ** For LSU4.9 i need 2x27Kohm resistors. * [https://shop.vems.hu/catalog/throughole-diode-p-93.html 30V bidir or unidir] 1k5E30 transient protection diode ** parts to do a proper flyback. ** or [https://shop.vems.hu/catalog/lowz-extension-channel-p-161.html 8 channel active flyback] * [https://shop.vems.hu/catalog/idle-stepper-motor-driver-p-61.html stepper driver] optional * [https://shop.vems.hu/catalog/ignition-driver-p-49.html IGBT] * ... continue
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