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A low cost, DIY friendly Engine Management System (ECU) based on the Arduino framework


The Speeduino project is a flexible, fully featured Engine Management Systems (EMS aka ECU) based on the low cost and open source Arduino platform. It provides the hardware, firmware and software components that make up an engine management system, all provided under open licenses. With over 1000 installations, Speeduino has matured into a product that meets the needs of the hobbyist and enthusiast community without driving prices to the levels of traditional aftermarket ECUs.


The Speeduino online manual can be found at: https://wiki.speeduino.com

Where to Buy

Pre-made Speeduino units/boards are available from a number of official resellers

These resellers all contribute a portion of sales back to the project to allow for continued development to take place and we encourage sales through them whenever possible.

Of course, being open source, you are free to use the design files provided here to create your own hardware!


In addition the manual referenced above, Speeduino has a large and very vibrant community of people to help out with your setup or any questions you might add.


This project exists thanks to all the people who contribute, both in terms of code and testing provided. If you'd like to get involved, please have a read through Contributing and then jump on Discord to discuss things further