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Turn Your Smartphone into a Heavy-Duty Diagnostics Tool

Turn your smartphone into a user-friendly HD diagnostic tool. Download and sync via Bluetooth to the free Diesel Decoder smartphone app to view vital diagnostic and trip data. When your rig throws a fault code, the Diesel Decoder is your reliable companion. It removes the guesswork, guiding you to either clear the codes and continue your journey [...]

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Embedded Systems for NMEA 2000 Support Marine Applications

Copperhill Technologies offers  Arduino-Compatible NMEA 2000 development boards and an NMEA 0183/NMEA 2000 HAT for the Raspberry Pi, ideal for marine applications such as OpenCPN, OpenPlotter, Signal K, and CANBoat. Experience cutting-edge technology with our NMEA 2000 development and prototyping boards, specially crafted for marine applications. These boards are game changers, allowing you to develop and [...]

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OBD-II and the Hacking of Automotive CAN Bus Networks

Let me clarify: this is not a guide to hacking automotive networks. Instead, I attempt to dismiss some common misconceptions about OBD-II and its supposed ability to control a vehicle (Spoiler alert: It cannot). As someone who has spent considerable time studying and working with CAN Bus technologies, I think it is time to set [...]

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Testing PICAN CAN Bus HATs with the Raspberry Pi 5

The new Raspberry Pi 5 features the Broadcom BCM2712 quad-core Arm Cortex A76 processor @ 2.4GHz, up to three times faster than the previous generation. With RAM variants up to 8GB, this is the fastest, smoothest Raspberry Pi experience yet. The latest release of Raspberry Pi OS was made to maximize Raspberry Pi 5's potential. The [...]

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Display for Off-Road Vehicle Engines with J1939 interface

The EngineMonitorPlus is a display and control device with a CAN Bus interface designed specifically for use in off-road vehicle engines. It supports the most common messages (PGN, Parameter Group Number) of the SAE J1939 standard. Furthermore, it provides a simple configuration of displayed parameters, errors (DM1), and service messages, allowing the user to configure and [...]

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Bluetooth OBD2 Scanner and Code Reader for iPhone & Android

EASY-TO-USE OBD2 APP & CAR CODE READER - The FIXD car scanner and OBD app instantly translates 7000+ engine fault codes into plain English on your phone. Wireless Bluetooth connection. Set up in minutes. No car knowledge needed. FIND OUT WHAT’S WRONG WITH YOUR CAR - Even beginners can use the FIXD OBD2 scanner and app [...]

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ESP32 Programming - Classical CAN to Bluetooth Gateway

In this post, I will present a CAN to Bluetooth gateway based on the ESP32 processor. The above image shows my test setup using our ESP32 WiFi, Bluetooth Classic, BLE, CAN Bus Module, a CAN-Bus Hub With 7 Ports And DC Power Connection, and the PCAN-USB Pro. As its description implies, the ESP32 module provides all necessary [...]

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ESP32: CAN Bus Programming with MCP2515 and MCP2517FD

For good reasons, the ESP32 processor is a prevalent choice for embedded hardware development. Besides considerable memory resources, it provides various hardware features for many applications, most prominently the Internet of Things (IoT). All that comes with more than reasonable price tags, specifically when you use one of the multiple ESP32 development modules. And since [...]

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ESP32: Isolated CAN Bus Repeater and Baud Rate Converter

With this application, I am adding yet another example to the vast CAN library we developed over the years. The use of the Dual Isolated CAN Bus HAT with the ESP32 opens the door to a number of possible applications. The development of a CAN repeater and/or Baud Rate Converter came to mind first, because the [...]

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Kvaser's Leaf Supports Classical CAN, CAN FD in Silent Mode

Every professional CAN Bus development, may it be Classical CAN, CAN FD, or higher layer protocols such as SAE J1939, requires a data monitoring device for proof of functionality. Kvaser has introduced such a device, the Leaf v3 interface supporting Classical CAN and CAN FD in optional Silent Mode. The Leaf series depicts one of the straightforward [...]

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