rusefi_documentation/uaEFI.md

# Ultra Affordable EFI

[schematics/PCB/gerbers](https://github.com/rusefi/uaefi)

[firmware snapshot](https://rusefi.com/build_server/rusefi_bundle_uaefi.zip)

## Features

* sequential six smart coils with option of on-board igniters
* sequential six injector outputs
* two VRs: one MAX9924 one vr-discrete, both with solder-blob jumper to modify into hall input
* two hall inputs
* dual DC motor to drive dual DWB or ETB+wastegate or stepper idle
* on-board 4.9 LSU WBO controller
* on-board SD card
* up to two CAN buses
* on-board baro sensor
* four above 1A current low side outputs
* a couple of lower current low side outputs
* flex fuel input
* knock sensor input
* on-board real time clock battery
* proto area
* 100x100mm 4 layer PCB
* expandable with on-board IGBT igniters
* expandable with on-board MAP sensor
* expandable with on-board EGT input

![x](https://raw.githubusercontent.com/rusefi/uaefi/master/docs/uaefi-a-top.png)

![x](https://raw.githubusercontent.com/rusefi/uaefi/master/docs/uaefi-a-back.png)

## Harness Connectors

* A 39012080 or 39012085
* B 39012180 or 39012185
* C 39012200 or 39012205
* D 39012160 or 39012165
* E 39012060 or 39012065

## PCB headers

* A 5569-08A2 39300080 39301080
* B 5569-18A2 39301180
* C 5569-20A2 39301200
* D 5569-16A2 39301160
* E 5569-06A2 39301060