133 lines
4.6 KiB
Markdown
133 lines
4.6 KiB
Markdown
# microRusEFI Kit Instructions
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<span style="color:red">this page is outdated - rusEFI no longer sells microRusEFI as a kit</span>
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## Initial kit state
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All kit PCBs come pre-programmed and verified. No firmware upload required right after soldering. Actually your microRusEFI would
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communicate via USB if you solder just USB connector or feed USB via 48 pin connector.
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[VIDEO Initial state](https://www.youtube.com/watch?v=3vWbIECoLg8)
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[VIDEO testing with test fixture](https://www.youtube.com/watch?v=pAaNUaCQaz0)
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## HOWTO microRusEFI Kit
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microRusEFI kit used to come 75% assembled - while many components are already mounted, about two dozens
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still need to be added. This includes both easy to mount components like main connector and harder to solder
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TLE8888 100-pin chip. Some soldering hints and tricks [are discussed here](https://rusefi.com/forum/viewtopic.php?t=425).
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If in doubt of your SMD skills please consider fully assembled version.
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For component placement please use interactive BOM
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[0.5.3](https://rusefi.com/docs/ibom/micro_rusEFI_R0.5.3.html)
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[0.5.2](https://rusefi.com/docs/ibom/micro_rusEFI_R0.5.2.html)
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[0.5.1](https://rusefi.com/docs/ibom/micro_rusEFI_R0.5.1.html)
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[0.5.0](https://rusefi.com/docs/ibom/micro_rusEFI_0.5.0.html)
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[0.4.8](https://rusefi.com/docs/ibom/microRusEfi_R0.4.8.html)
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[0.4.7](https://rusefi.com/docs/ibom/microRusEfi_R0.4.7.html)
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[Some checkpoints](Hardware/microRusEFI/Hardware_microRusEFI_0_4_7_front_checks.jpg)
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All microRusEFI kits use [MRE F4 rusEFI firmware - DOWNLOAD LATEST BUNDLE HERE](https://rusefi.com/build_server/rusefi_bundle_mre_f4.zip)
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[Wiring Diagram](Hardware-microRusEFI-wiring)
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[0.5.0 schematics PDF](https://github.com/rusefi/hw_microRusEfi/blob/master/micro_rusEFI_Schematic_0_5_0.pdf)
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[0.4.8 schematics PDF](https://github.com/rusefi/hw_microRusEfi/blob/master/microRusEfi_Schematic_0_4_8.pdf)
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[0.4.7 schematics PDF](https://github.com/rusefi/hw_microRusEfi/blob/master/microRusEfi_Schematic_0_4_7.pdf)
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[rusEFI Slack channel](https://rusefi.com/forum/viewtopic.php?f=13&t=1198) is the primary support channel.
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[HOWTO program rusEFI using DFU](HOWTO-DFU)
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## Crankshaft position sensor options: Hall or VR
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Depending on your crankshaft position sensor type you would need to populate either Hall or VR option.
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0.4.5, 0.4.7: For VR crankshaft position sensor you would need to add R9 & C12 on the back.
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0.4.8: Comes set for VR (R9 & C12 are now on the front since)
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VR mode front - comes pre-assembled
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VR mode back
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0.4.5, 0.4.7: For Hall, you would need to REMOVE R15 & C35 on the front, and install R17=1.5K R18=R19=4.7K on the back.
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0.4.8: For Hall, you would need to REMOVE R15&R9, C12 & C35 on the front, and install R17=1.5K R18=R19=4.7K on the back.
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0.5.0 Hall
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0.4.7 Hall mode front
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0.4.7 Hall mode back
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## Board Photos
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Kit front:
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Kit parts on the front:
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Kit parts on the back:
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## Diodes 0.4.7
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Flyback diodes orientation around version 0.4.7 - horizontal facing OPPOSITE direction
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## Diodes 0.5.2
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Flyback diodes orientation around version 0.5.2 - angles, facing SAME direction
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## Important details
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0.4.5, 0.4.7:
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JP1 needs to be TBDsee
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see [https://github.com/rusefi/hw_microRusEfi/issues/127](https://github.com/rusefi/hw_microRusEfi/issues/127)
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Unpopulated parts which you probably do NOT need:
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LIN termination D43 R10
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RTC diode D42
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Wake-up CAN R8
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[More images](https://github.com/rusefi/hw_microRusEfi/blob/master/gerbers)
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## Direct board programming
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J7 header in bottom-left corner of microRusEFI allows direct SWD programming using TC2030-MCP-NL cable
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Tag Connect In circuit Cable "NO Legs" Version
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### Note - Missing wire caps
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In the even of a missing wire cap on the molex plug the correct part number is 64320-1301 and these can be easily sourced online
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