Hardware
List of supported hardware
epicEFI supports a wide range of available hardware to purchase from different vendors. Below is a listing of the supported hardware.
epicECU
This is the ECU that we manufacture and sell. It supports a large amount of inputs and outputs as well as dual Drive by Wire and dual Knock Control.

This ECU supports:
- 12 cylinder sequential injection and ignition
- 22 auxiliary inputs
- 24 auxiliary outputs
- 8 k-type thermocouple inputs
- Dual knock channels
- Dual drive by wire
- CAN-bus
- FlexFuel
Internal name: epicEFI
For more details, including pinouts see epicECU.
rusEFI Ultra Affordable - uaEFI
This is a ECU designed and sold by rusEFI. This ECU is designed as the low budget option while still retaining a good feature set.

Some of the supported features are:
- 6 cylinder sequentual injection and ignition
- Onboard Wideband Controller
- Onboard SD card
- Dual knock channels
- Dual drive by wire
There are two versions of the ultra affordable, dictated by the microcontroller.
- uaEFI - The variant powered by the STM32 F4
- uaEFI Pro - The variant powered by the STM32 F7
These two can be distinguished by the writing on the main microcontroller.
There are a few internal names based on the microcontroller and table size:
- uaefi - The basic uaEFI powered by the STM32 F4
- uaefi_pro - uaEFI powered by the STM32 F7
- uaefiBIGFUEL - The same as uaefi but with 32x32 fuel and 24x24 ignition tables
- uaefi_pro_bigfuel - Same as uaefi_pro but with 32x32 fuel and 24x24 ignition table
For more details, including pinouts, schematics and gerber files see uaEFI.
rusEFI Ultra Affordable - Honda OBD1
This is the same controller as #rusEFI Ultra Affordable - uaEFI but featuring a Honda OBD1 connector and footprint for fitting into OEM Honda ECUs.
Some of the notable features:
- Reads the OEM distributor (single tooth and 24 tooth)
- Onboard Wideband Controller exposed as external connector
- Option to convert to Coil on Plug
- Option to conver to Hall Sensors