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ESP32 Processor: Adding a CAN Bus Transceiver
This post is an excerpt from our application note Controller Area Network (CAN) Development with ESP32.As a quick reference, I want to address the need for a CAN transceiver. As mentioned in the previous chapter, the ESP32 has an internal CAN Bus controller. However, this doesn't mean you can directly connect it to a network. You [...]
Classical CAN (CC), the Original CAN Bus Technology
This post is an excerpt from our application note Controller Area Network (CAN) Development with ESP32. Note: The term “Classical CAN” was introduced in the ISO 11898-1: 2016 Standard. Classical CAN represents the basis for CAN FD (and CAN XL), meaning they share the same features and advantages, as explained in the previous chapter. While CAN FD adds [...]
CAN FD (Controller Area Network Flexible Data Rate)
This post is an excerpt from our application note Controller Area Network (CAN) Development with ESP32. CAN FD (Controller Area Network Flexible Data Rate) is an extension of the original CAN bus protocol. It was created to provide increased bandwidth within automotive and industrial networks. It brings application software closer to "real-time" by minimizing delays between instruction [...]
Telematics Gateway Choosing Criteria and Use Cases
An article in the CiA (CAN in Automation) CAN Newsletter explains the functionality, discusses the selection criteria, and describes the use cases of a telematics gateway using an example telematics device. As cars become more connected, original equipment manufacturers (OEMs) require telematics solutions that enable smooth communication within and outside the vehicle. The device should be cloud-enabled, [...]
CANfetti: Open-Source CANopen Protocol Stack for Embedded Systems
Scythe Robotics, a developer of advanced, commercial-grade solutions for the professional landscaping industry, announced its first open-source release of CANfetti, a CANopen-compliant stack, developed to overcome the limitations of existing libraries. Developed and improved over the past few years by Scythe's firmware and software teams, CANfetti reduces the barriers to entry with an open-source, user-friendly, and [...]
Raspberry Pi Pico CAN Bus System with Micro-Python Pre-Installed
The Raspberry Pi PicoBoard is an inexpensive and versatile development board designed for the RP2040 microcontroller chip developed by Raspberry Pi. It features an RP2040 microcontroller chip with 2MB of Flash, and a micro-USB port for power, data, and programming. The 40-pin dip-style header provides 26 multi-function 3.3V GPIO, 23 digital-only GPIO, and three ADC-compatible [...]
SAE J1939 Functional Safety Communications Protocol & Trailer Safety Assurance
Commercial road and off-highway vehicles, as well as off-road construction machines, frequently utilize J1939-based application layers. In response to the growing need for functional safety, SAE has created specific protocols for CAN CC (classic) and CAN FD: J1939-76 and J1939-77, respectively. An article on the CiA (CAN-in-Automation) website discusses the SAE standards for functionally safe communications on CAN [...]
Industrial Grade CAN/CAN FD Bus Data Analyzer with USB Port
The USB-CAN-FD adapter is a versatile tool that empowers engineers with its industrial-grade high-performance capabilities. It serves as a USB to-CAN FD adapter, CAN/CAN-FD bus communication interface card, and CAN/CAN-FD protocol data analyzer. It is a reliable and robust solution with onboard dual independent CAN FD interfaces, electrical isolation, and multiple protection circuits. The adapter's [...]
NMEA 2000 Product Certification Guarantees Quality and Interoperability for Marine Application Networks
The NMEA 2000 product certification is a mark of reliability, ensuring quality and interoperability for NMEA 2000 networks. It guarantees that a device supports a mandatory set of protocol services and hardware requirements. Developers can carry out the certification themselves or be supported by engineers with experience in NMEA 2000 certification. NMEA 2000 is a protocol [...]
CANFDuino: Upgrading the Hardware to a 12 - 24 VDC Power Supply Input
Today, we are addressing a frequently asked question since the product's launch: 'Is it possible to power CANFDuino off of 12 or 24 V power?'. Our previous response, 'Yes, using the prototyping space to add a regulator', while accurate, may not have been as helpful as we intended. To provide a more practical solution, we [...]