Copperhill Technologies

Copperhill Technologies Development and sales of embedded systems for Controller Area Network and SAE J1939, which includes popular systems such as the Arduino and Raspberry Pi.

Copperhill Technologies Corproation was established as an electronics engineering and consulting business in 1993. Our main focus is on the development and sales of embedded systems for Controller Area Network and SAE J1939, which includes popular systems such as the Arduino and Raspberry Pi but also our own embedded solutions such as the jCOM board and gateway series. Our skills also include rapi

d prototyping; we can deliver prototype solutions within shortest time and assist with the manufacturing process of the final product. We deliver not only schematics, bill of material, placement files, Eagle/Gerber files but also the application source code inclduing documentation.

CAN Repeaters: Network Savior or Serial Trouble-Maker?Learn how CAN repeaters really work, where they improve CAN networ...
05/21/2026

CAN Repeaters: Network Savior or Serial Trouble-Maker?

Learn how CAN repeaters really work, where they improve CAN network reliability, and why they do not magically extend CAN bus length. Discover the advantages, limitations, timing concerns, signal conditioning benefits, and common misunderstandings surrounding CAN repeaters in industrial and automotive applications.

https://jcom1939.com/can-repeaters-network-savior-or-serial-trouble-maker/

Learn how CAN repeaters improve network stability, isolation, and signal quality—and why they don’t magically extend CAN bus length.

Understanding the SAE J1939 Standards Collection — And Why It Confuses So Many EngineersExplore the SAE J1939 Standards ...
05/19/2026

Understanding the SAE J1939 Standards Collection — And Why It Confuses So Many Engineers

Explore the SAE J1939 Standards Collection, the ISO 7-layer model, and the key documents every CAN bus and heavy-duty vehicle engineer should know.

https://jcom1939.com/understanding-the-sae-j1939-standards-collection-and-why-it-confuses-so-many-engineers/

Explore the SAE J1939 Standards Collection, the ISO 7-layer model, and the key documents every CAN bus and heavy-duty vehicle engineer should know.

When Standards Go Rogue: Decoding the Unreadable World of SAE J1939-22A critical look at SAE J1939-22 and unreadable sta...
04/28/2026

When Standards Go Rogue: Decoding the Unreadable World of SAE J1939-22

A critical look at SAE J1939-22 and unreadable standards—why poor documentation hinders CAN FD adoption and how clarity can drive real-world use.

https://jcom1939.com/when-standards-go-rogue-decoding-the-unreadable-world-of-sae-j1939-22/

-fd

A critical look at SAE J1939-22 and unreadable standards—why poor documentation hinders CAN FD adoption and how clarity can drive real-world use.

The 12 Most Important SAE J1939 PGNs for Fleet ManagementExplore the 12 most important SAE J1939 PGNs for fleet manageme...
04/16/2026

The 12 Most Important SAE J1939 PGNs for Fleet Management

Explore the 12 most important SAE J1939 PGNs for fleet management and learn which engine and vehicle parameters matter most in telematics, diagnostics, and simulator design.

Explore the 12 most important SAE J1939 PGNs for fleet management and learn which engine and vehicle parameters matter most in telematics, diagnostics, and simulator design.

Cummins INLINE Adapter Review: Professional Engine Diagnostics for Serious Diesel TechniciansDiscover what the Cummins I...
04/15/2026

Cummins INLINE Adapter Review: Professional Engine Diagnostics for Serious Diesel Technicians

Discover what the Cummins INLINE adapter does, how it works, and why it’s an essential diagnostic tool for diesel technicians, fleets, and serious owner-operators.

Discover what the Cummins INLINE adapter does, how it works, and why it’s an essential diagnostic tool for diesel technicians, fleets, and serious owner-operators.

CAN Bus with SAE J1939 for Engineers: Practical Guide to Heavy-Duty Vehicle NetworkingLearn CAN Bus and SAE J1939 for he...
04/11/2026

CAN Bus with SAE J1939 for Engineers: Practical Guide to Heavy-Duty Vehicle Networking

Learn CAN Bus and SAE J1939 for heavy-duty vehicle networking. Practical engineering guide covering diagnostics, message structure, network design, troubleshooting, and analysis.

Learn CAN Bus and SAE J1939 for heavy-duty vehicle networking. Practical engineering guide covering diagnostics, message structure, network design, troubleshooting, and analysis.

Address

21 Mohawk Trail
Greenfield, MA
01301

Telephone

+14132132500

Website

https://jcom1939.com/, https://espberry.com/

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