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Copperhill Technologies delivers a versatile range of SAE J1939 products, including USB and Bluetooth gateways and diagnostic tools that simplify data access, simulation, and integration for heavy-duty vehicles. Built for reliability and easy use across Windows, Linux, and embedded systems, these solutions help engineers and developers work faster with dependable hardware and ready-to-use software tools.
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SAE J1939 Starter Kit and Network Simulator
$199.95
 The SAE J1939 starter kit is a versatile tool that allows you to keep a tab on, simulate, monitor, and record any PGN as laid down in the SAE J1939-71 Standard, which includes diagnostic messages according to SAE J1939-73. We often receive inquiries from users about whether we can process specific parameters like fuel consumption, vehicle speed, and position. The answer is always a yes; however, note that the starter kit was not designed to meet specific engine parameters. You must know which PGN represents the desired data. Additionally, the starter kit was not intended to simulate particular diesel engines. But, if you enter all the PGNs that are being used, you can create and simulate any diesel engine.
 
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SAE J1939 ECU Simulator with USB Port
$99.95
 The ECU simulation board from Copperhill Technologies is a compact and powerful tool offering full compliance with the SAE J1939 network protocol, specifically adhering to the J1939/21 data-link, J1939/81 network-management standards, and supporting transport-protocol (TP) features. Connected via a USB port, the board off-loads the entirety of the J1939 protocol timing and management to its onboard hardware, meaning your host system simply interacts via a standard COM port interface. This simplifies integration into Windows, Linux, or embedded systems (such as a Raspberry Pi, BeagleBone, or Arduino/Teensy) by avoiding the need for the host CPU to manage low-level J1939 bus behavior.
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SAE J1939 to USB Gateway in Plastic Enclosure
$139.95
The product is a compact USB-powered gateway enclosed in a durable plastic housing that enables monitoring, simulation and recording of vehicle network data conforming to the SAE J1939 protocol. It supports full J1939/21 data link layer, J1939/81 network management and transport protocol functionality, and presents the vehicle network as a standard USB COM port to Windows, Linux, embedded systems and micro-controller platforms. The unit includes free Windows software for monitoring and simulation, offers onboard termination resistor control via a jumper, and is fully programmable with available source code for rapid integration.
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SAE J1939 to Bluetooth Gateway Module
$139.95
 The product is a wireless gateway module that bridges the SAE J1939 vehicle-network protocol to a Bluetooth COM-port interface, enabling any Bluetooth-equipped host to monitor and interact with J1939 data traffic. It implements the full J1939/21 transport protocol and J1939/81 network management stack on-chip, so the connected host need only treat it like a standard serial port. The unit features a rugged CAN-bus interface with selectable termination, an external antenna to ensure reliable Bluetooth connectivity, a wide operating temperature range (-40 °C to +85 °C), and support libraries and source code for Windows, Linux, Raspberry Pi and embedded platforms.
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A Comprehensible Guide to SAE J1939
 The book A Comprehensible Guide to SAE J1939 is a 113-page, paperback primer published by Copperhill Technologies that delivers a reader-friendly yet technically accurate introduction to the SAE J1939 protocol. It covers core topics such as the J1939/21 data link layer and J1939/81 network management, explains how heavy-duty vehicle ECUs communicate over CAN-based networks, and presents message formats, address‐claiming procedures, and parameter group structures in an accessible style without reproducing the full standards.
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SAE J1939 ECU Programming & Vehicle Bus Simulation with Arduino
 The book SAE J1939 ECU Programming & Vehicle Bus Simulation with Arduino is a 140-page technical guide published by Copperhill Media Corporation that enables embedded systems developers to implement and simulate the SAE J1939 protocol stack using Arduino boards. It contains numerous C/C++ code examples and detailed explanations on designing, transmitting, receiving, and processing J1939 data frames, as well as simulating ECUs and exploring advanced subjects like the transport protocol and address-claiming procedures.
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