rusefi_documentation/uaefi121.md

uaEFI 121

rusEFI store

Software

uaEFI Stable Release uaEFI Latest Snapshot

Community Support

🔴Community support ONLY 🔴 https://www.facebook.com/groups/rusEfi 🔴 Discord🔴

Nicer sibling of https://github.com/rusefi/rusefi/wiki/uaefi

Interactive Pinout

• sequential 8 cylinder injection
• individual 6 cylinder ignition / batch fire 8 cylinder ignition
• smart coils by default, expandable with on-board IGBT igniters to drive legacy coils
• six additional low side outputs
• dual on-board WBO controller
• dual Drive By Wire electronic throttle body
• one 2A high side output
• two VRs: one MAX9924 one VR-discrete
• knock sensor input
• 121 pin header (40P+81P) (81 female plug 1355171-1/368389-1/368382-1/1J0906385C) (40 female plug 0-1355172-1/038906379B)
• metal enclosure
• Optional on-board EGT
• Optional on-board MAP sensor
• Comes WITHOUT waterproofing considerations - please add your own potting!
• looking for proper 8 cylinder individual? that's https://www.shop.rusefi.com/shop/p/rusefi-huge
• matching USB cap sold separately CAP-WADMLPC2

Schematics rev b uaEFI interactive BOM rev B

FAQ

Q: Is there going to be gerbers and bom list etc available for uaefi121?

A: there are no plans to make this unit open source hardware at the moment. Same for mega-uaefi hellen module.

Q: I have questions

A: part of the context is fact that uaefi121 is a sibling of fully open source https://github.com/rusefi/uaefi/ so much of https://github.com/rusefi/rusefi/wiki/uaEFI applies

Q: which 121 style

A: shipped with 1241434-1 header see also https://github.com/rusefi/rusefi/wiki/OEM-121-pin-connectors

Changelog

rev B

• pin 108 ignition key added
• silkscreen improvements

rev A

it's alive!