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@mazduino

Mazduino

README.md

Mazduino

DIY Engine Control Unit (ECU) hardware designed for enthusiasts and engine swap projects.

Built on STM32 MCU, runs rusEFI-based firmware. Configurable via TunerStudio.

Hardware


Mazduino Compact
4-cylinder, full sequential injection & ignition
Mazduino Mini 6CH
6-cylinder, full sequential injection & ignition
Mazduino LITE
4-cylinder, wasted spark ignition

Mazduino Display
CAN bus dashboard display module
Mazduino WBO
Wideband O2 controller (LSU 4.2/4.9)

Firmware

Mazduino currently focuses on rusEFI-based firmware. You can use the official Mazduino custom firmware or any other rusEFI-based firmware (rusEFI, epicEFI, FomeEFI, etc.).

Speeduino support is no longer developed or maintained by Mazduino.
Mazduino Firmware github.com/mazduino/mazduino-fw
Latest Release github.com/mazduino/mazduino-fw/releases

Links

Acknowledgments

Mazduino hardware is made possible by these open source firmware projects:

Project Description
rusEFI Open source engine management system
FomeEFI rusEFI-based firmware with additional features
Speeduino Open source ECU firmware for Arduino-based platforms

Thank you to all contributors and maintainers of these projects.

Pinned Loading

  1. Mazduino Mazduino Public

    Mazduino ECU is compatible with firmware from rusEFI and can also be used with Speeduino. For tuning and configuration, you can use the EFI Analytics TunerStudio software.

    Shell 15 9

Repositories

Showing 10 of 14 repositories
  • mazduino-fw Public Forked from rusefi/fw-custom-example

    This repository contains custom rusEFI firmware for various Mazduino ECU boards and compatible STM32F4-based engine management systems.

    mazduino/mazduino-fw's past year of commit activity
    C 2 77 0 0 Updated Sep 10, 2026
  • mazduino-documentation Public
    mazduino/mazduino-documentation's past year of commit activity
    HTML 0 0 0 0 Updated Sep 8, 2026
  • rusefi Public Forked from rusefi/rusefi

    rusefi - GPL internal combustion engine control unit

    mazduino/rusefi's past year of commit activity
    C 0 420 0 0 Updated Aug 9, 2026
  • speeduino-fw Public Forked from speeduino/speeduino

    Speeduino - Arduino based engine management

    mazduino/speeduino-fw's past year of commit activity
    C++ 0 GPL-2.0 662 0 0 Updated Jun 24, 2026
  • .github Public
    mazduino/.github's past year of commit activity
    0 0 0 0 Updated Jun 23, 2026
  • Mazduino Public

    Mazduino ECU is compatible with firmware from rusEFI and can also be used with Speeduino. For tuning and configuration, you can use the EFI Analytics TunerStudio software.

    mazduino/Mazduino's past year of commit activity
    Shell 15 9 0 0 Updated Jun 6, 2026
  • mazduino-dash-canbus Public

    Mazduino DASH CANBus is an ESP32-based project that enables communication using the CAN (Controller Area Network) protocol. This project is designed to read and display data from a vehicle's ECU using a CANBUS module.

    mazduino/mazduino-dash-canbus's past year of commit activity
    C 7 5 0 0 Updated Mar 6, 2026
  • wideband Public Forked from dron0gus/wideband
    mazduino/wideband's past year of commit activity
    C 0 MIT 82 0 0 Updated Jan 30, 2026
  • mazduino-display-speeduino Public

    This project creates a digital dashboard display for Speeduino ECU using ESP32-C3 microcontroller and a 3.5 inch TFT LCD display with ILI9488 driver. The display shows real-time engine data from the Speeduino ECU including RPM, AFR, TPS, advance timing, MAP, and other sensor readings.

    mazduino/mazduino-display-speeduino's past year of commit activity
    C 6 2 0 0 Updated Jan 18, 2026
  • mazduino-round-dash Public
    mazduino/mazduino-round-dash's past year of commit activity
    C 0 0 0 0 Updated Nov 1, 2025
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