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OBD-II CAN Bus ECU Simulator: Learn Vehicle Diagnostics, Protocols, and Software Development
The Teensy 4.0 OBD-II CAN-Bus ECU Simulator offered by Copperhill Technologies is a powerful and versatile tool for developers, engineers, educators, and hobbyists working with automotive networks. By emulating an engine control unit (ECU) through a standard OBD-II interface, this compact platform allows safe testing, prototyping, and diagnostic training—without requiring direct access to a vehicle. Key [...]
CAN Bus Troubleshooting: A Technical Guide
The Controller Area Network (CAN Bus) is one of the most robust and widely used communication protocols in automotive, industrial, and embedded systems. Its reliability and fault tolerance make it indispensable—but like any communication network, issues can arise. Troubleshooting CAN Bus problems requires a methodical approach that considers both the physical layer and the protocol [...]
Mastering Python: Comprehensive Guides, Real-World Applications, and Hands-On Learning for Beginners to Experts
Our PICAN series of HATs are fully programmable using Python, giving users the flexibility to create custom applications and leverage the power of the Raspberry Pi for CAN Bus projects. While Python is user-friendly, some projects may require extra guidance—especially for those new to programming or tackling advanced tasks. That’s where these books come in, [...]
Classical CAN vs. CAN FD in Automotive, Medical Devices & Robotics – Key Differences and Usage
Controller Area Network (CAN) is a robust serial bus widely used in embedded systems across industries like automotive, medical devices, and robotics. “Classical” CAN (the original CAN 2.0 standard) has served reliably for decades in vehicle ECUs, industrial machines, and more. However, modern systems demand higher data throughput and efficiency than classical CAN’s 1 Mbit/s [...]
Beginner’s Guide to Using SocketCAN with Raspberry Pi and PICAN Board
This guide will walk you through the basics of using SocketCAN on a Raspberry Pi with a PICAN CAN Bus HAT. We will cover what SocketCAN is and how it works, then explain how to set up the hardware (attaching the PICAN board and wiring the CAN bus). Next, we’ll detail the software configuration on [...]
PiCAN CAN-Bus FD Board with Real-Time Clock for Raspberry Pi – Automotive & IoT Applications
The PiCAN CAN-Bus FD Board by Copperhill Technologies elevates the Raspberry Pi into a full-featured, high-performance CAN FD node. Engineered around the Microchip MCP2517FD CAN-FD controller and MCP2562FD transceiver, it adheres to the ISO 11898-1:2015 standard. With support for arbitration bit rates up to 1 Mbps and data-phase rates reaching 8 Mbps, it empowers modern [...]
Bridging CAN Bus to the Cloud: Building MQTT or WebSocket Gateways with ESP32
The Controller Area Network (CAN) is a robust and widely used communication protocol in automotive, industrial, and marine applications. It enables reliable, real-time data exchange between electronic control units (ECUs), sensors, and actuators. With the growing demand for remote monitoring, predictive maintenance, and IoT integration, there is an increasing need to bridge CAN data to [...]
Teensy 4.1 Triple CAN Bus Board: Bridge Vehicle Networks to the Cloud with Ethernet and CAN FD
Modern vehicles rely heavily on Controller Area Network (CAN) systems to manage communication among ECUs, sensors, actuators, and diagnostic modules. As connectivity becomes pervasive—enabling remote diagnostics, over-the-air updates, and fleet management—the need to securely and efficiently bridge CAN bus data to cloud infrastructure becomes critical. The Teensy 4.1 Triple CAN Bus Board with 240×240 LCD and Ethernet [...]
Secure Your CAN-Bus: Implementing ISO/SAE 21434 in Embedded Systems
The Controller Area Network (CAN) has been a trusted standard in automotive, industrial, and marine applications for decades. Its robustness, real-time capabilities, and low-cost implementation have made it a favorite among embedded engineers. However, as vehicles and machinery become increasingly connected, the CAN bus has emerged as a prime target for cyberattacks. This shift has [...]
Unlock the Power of Embedded Connectivity with Copperhill’s ESP32‑S3 Development Board
Meet your next go-to solution for industrial, automotive, and smart-HMI applications: a high-performance ESP32‑S3 development board featuring both Classic CAN and CAN FD, paired with a capacitive touch 480×854 IPS display. It’s purpose-built for seamless integration into modern IoT and diagnostic systems. Engineered for Speed & Intelligence At the core of the system is the ESP32‑S3‑WROOM‑1U‑N16R8 module, [...]