111 lines
3.7 KiB
Markdown
111 lines
3.7 KiB
Markdown
# Ultra Affordable EFI
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## Shop
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🟢[$175 base model rusEFI store](https://www.shop.rusefi.com/shop/p/uaefi-ultra-affordable-efi)🟢
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## Community Support
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🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 [Discord](https://github.com/rusefi/rusefi/wiki/Discord)🔴
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## Software
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[uaEFI Stable Release](https://github.com/rusefi/rusefi/releases/latest/download/rusefi_bundle_uaefi.zip) [uaEFI Latest Snapshot](https://rusefi.com/build_server/rusefi_bundle_uaefi.zip)
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## Technical Details
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[General rusEFI documentation](https://github.com/rusefi/rusefi/wiki/Support)
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[uaEFI interactive pinout](https://rusefi.com/docs/pinouts/hellen/uaefi/)
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[Schematics rev c](https://github.com/rusefi/uaefi/raw/main/boards/uaefi-c/board/uaefi-c-schematic.pdf)
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[Schematics rev b](https://github.com/rusefi/uaefi/raw/main/boards/uaefi-b/board/uaefi-b-schematic.pdf)
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[Schematics rev a](https://github.com/rusefi/uaefi/raw/main/boards/uaefi-a/board/uaefi-a-schematic.pdf)
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[uaEFI schematics/PCB/gerbers](https://github.com/rusefi/uaefi)
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[uaEFI interactive BOM rev D](https://rusefi.com/docs/ibom/uaefi-d-ibom.html) [uaEFI interactive BOM rev A](https://rusefi.com/docs/ibom/uaefi-a-ibom.html)
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[WBO documentation](https://github.com/rusefi/rusefi/wiki/rusEFI-Wideband-Controller)
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## Features
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* sequential six smart coils with option of on-board igniters
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* sequential six injector outputs
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* two VRs: one MAX9924 one vr-discrete (Add R1 to switch MAX9924 into Hall mode)
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* two hall inputs
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* dual DC motor to drive dual DBW or ETB+wastegate or stepper idle
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* on-board 4.9 LSU WBO controller
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* on-board SD card
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* up to two CAN buses
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* on-board baro sensor
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* four above 1A current low side outputs
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* a couple of lower current low side outputs
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* flex fuel input
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* knock sensor input
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* proto area
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* 100x100mm 4 layer PCB
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* expandable with on-board IGBT igniters
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* expandable with on-board MAP sensor (MPX4250AP or smaller)
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* expandable with on-board Bluetooth (JDY-33 would need to be soldered)
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* expandable with on-board EGT input (MAX31855 and related passives would need to be soldered)
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* on-board real time cr1220 clock battery (software broken https://github.com/rusefi/rusefi/issues/4556)
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![x](https://raw.githubusercontent.com/rusefi/uaefi/master/docs/uaefi-a-top.png)
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![x](https://raw.githubusercontent.com/rusefi/uaefi/master/docs/uaefi-a-back.png)
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## Harness Connectors
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Molex Mini Fit Jr
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* A 39012080 or 39012085
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* B 39012180 or 39012185
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* C 39012200 or 39012205
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* D 39012160 or 39012165
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* E 39012060 or 39012065
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## PCB headers
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* A 5569-08A2 39300080 39301080
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* B 5569-18A2 39301180
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* C 5569-20A2 39301200
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* D 5569-16A2 39301160
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* E 5569-06A2 39301060
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## External USB connector
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USBBF7
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## WBO Connector
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![wideband_for_dummies](https://github.com/rusefi/rusefi_documentation/assets/82368250/3e5aca8a-62cf-4636-905c-cf79b18deef0)
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## FAQ
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Q: Can it do 8x8?
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A: You would have to remove two flyback diodes to have 8 similar injector outputs. You would have to figure out a way to have 8 equal coil outputs, maybe settle on wasted spark?
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Q: Do you have any dealer prices or discount for companies?
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A: There is too little profit margin on these to offer discounts sorry.
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PCB files are available for free you should be able to order your own, paid consulting is available on how to set things up with JLCPCB if you need help.
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Q: How do I use uaEFI with dumb coils?
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A: See notes on the schematics, it has part numbers to add and reference numbers to remove!
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Q: How do I add bluetooth?
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A: See https://github.com/rusefi/rusefi/wiki/Bluetooth#jdy
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Q: Where do I buy igniters?
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A: See https://www.findchips.com/search/ISL9V3040D for stock at distributors
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Q: Stepper?
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A: yes possible
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![image](https://github.com/user-attachments/assets/c2d71f49-11ca-4bbf-a495-85875e6f8203)
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