Author: RadarEng

DEF Sensor Simulator – Arduino DUE (Original Build)

Assembling a DEF Sensor Simulator Using an Arduino DUE with CAN Card Following is the build process for the original version of the DSS hardware and software from September 2021. This is still a valid solution and requires no soldering, however, check the Quick Build page for the currently recommended solution which is likely to be smaller and less expensive. Only basic electrical and DIY skills are required for the hardware assembly, no soldering isLearn More

DEF Sensor Simulator – CanBed RP2040

Assembling a DEF Sensor Simulator Using a CanBed RP2040 Only basic electrical and DIY skills are required for the hardware assembly, however some basic soldering is needed to install the 4 pin connector. There are many YouTube videos that can teach you to solder. For delicate electronics such as this use a low wattage grounded soldering iron (25 – 30 Watts) to help prevent pad damage, don’t use a soldering gun. The software installation inLearn More

DEF Sensor Simulator – CanBed ATmega 32U4

Assembling a DEF Sensor Simulator Using a CanBed ATmega 32U4 Only basic electrical and DIY skills are required for the hardware assembly, however some basic soldering is needed to install the 4 pin connector. There are many YouTube videos that can teach you to solder. For delicate electronics such as this use a low wattage grounded soldering iron (25 – 30 Watts) to help prevent pad damage, don’t use a soldering gun. The software installationLearn More

DSS connector plug for Freightliner chassis (XCM)

Credits: The following content was provided by NMBluept Disclaimer: please use at your own risk, practice due diligence and verify that the information provided applies to and is compatible with your specific equipment and double check your work.   DSS connector plug for Freightliner chassis (XCM) Note for DSS builders: the DT-4 connector used in the instructions for the DSS is not compatible with Freightliner chassis (at least with the XCM chassis). If your DEFLearn More

DEF Sensor Simulator – Quick Build

Page last updated May 30, 2022 Since the original DSS solution published in September of 2021, the team has been busy looking at alternative hardware and software options. This page has a brief description and links to the build instructions for all the variants developed to date. The solution in the Recommended section has been deemed by the team to be the most viable current option considering factors such as price, size, parts availability, easeLearn More

FAQ

I already have a Raspberry Pi with a CAN interface, can I use that? Not right now, only the Arduino hardware specified is currently supported. There are no immediate plans to port to the RPi, however we may pursue that option when time permits. Will this work on my PowerStroke – Duramax – Dodge Cummins Truck? The short answer is NO! The 1.5, 1 and 3/4 ton Pick-Up trucks all use DEF. However the ECMLearn More

Cummins Engine Lamp Identification Guide

Cummins Engine Compatibility

IMPORTANT INFORMATION BEFORE YOU BEGIN Check your ECM The Simulator has only been tested and shown to work on a handful of Cummins engines using Cummins CM2350 ECMs. Before you begin building your own Simulator we recommend that you ascertain what model ECM you have. As a general guideline the Simulator should work on all Cummins engines designated as EPA 13 and/or EPA 17. We believe that includes all engines produced since 2016. (Note: editedLearn More

LCD Add-on for the Arduino DUE (Original Build)

Adding a LCD module to your DEF Simulator is a fun extra project for the slightly more techie people.  The current Simulator code already has support for the LCD module included.  The module can display the initialization status, simulated tank level and simulated DEF temperature. The LCD module uses different digital I/O pins on the Arduino DUE vs the UNO/ATMega2560. The module can be built on simple perforated board or you can buy a bareLearn More

DEF Sensor Simulator – Arduino UNO

Assembling a DEF Sensor Simulator Using an Arduino UNO Only basic electrical and DIY skills are required for the hardware assembly. The software installation in this procedure can be done from Windows. Before you begin, please click here to read an important compatibility notice regarding the ECM (Electronic Control Module, aka Engine Computer) and info on compatible DEF head connectors. If you run into difficulty post a comment at the bottom of this page. Please read throughLearn More

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