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SAE J1939 And The Challenging Migration From Classical CAN To CAN FD and CAN XL
The Society of Automotive Engineers (SAE) Truck and Bus Control and Communications Subcommittee has developed a family of standards concerning the design and use of devices that transmit electronic signals and control information among vehicle components. SAE J1939 and its companion documents have quickly become the accepted industry standard and the vehicle network of choice for off-highway [...]
Embedded ARM Cortex-A35 Modules With Up To Three CAN FD Interfaces
TQ-Systems (Germany) introduced their TQMa8xx and TQMa8xxs embedded modules that feature three, and respectively two CAN FD interfaces. The TQMa8xx module offers integrated graphics, a DSP (Digital Signal Processor) for audio processing, and security-related functions. To meet various requirements, three CPU (Central Processing Unit) alternatives with a dual-core or quad-core ARM Cortex-A35 processor are available. Each core supports a [...]
Introduction To The NMEA 2000 Marine Networking Standard
NMEA 2000 is a marine networking standard created and administered by the National Marine Electronics Association (NMEA). The NMEA is an association of marine electronics manufacturers, dealers, and technicians. The NMEA 2000 standard describes a low-cost, moderate capacity, bi-directional, multi-transmitter, multi-receiver instrument network. Typical data on a network using this standard include position latitude and longitude, [...]
USB/CAN Interface For Direct Connection To Embedded PC Motherboards
The CPC-USB/embedded by EMS Thomas Wunsche represents a CAN Bus interface designed for use with internal USB ports. Due to its compact size, it is well suitable for applications in embedded PCs. It is installed straight at a SUB-D9 enclosure opening or a slot panel, and it is wired per included cable to a pin connector of [...]
Miniature PCB Mountable CANopen Servo Drive For Customized Robotics Applications
Ingenia, a member of Celera Motion (Novanta), released its Everest servo drive series with CANopen-connectivity. The Everest Core drive comes as a plug-in module, which can be integrated into a PCB (printed circuit board) in support of customized motion control applications. Everest Net drives are based on the Everest Core technology and incorporate CANopen communication. The CANopen interface complies [...]
Arduino Uno Compatible Isolated CAN FD (Flexible Data Rate) Shield
The EVAL-ADM3055E-ARDZ from Analog Devices is an Arduino Uno compatible Shield for an isolated Controller Area Network (CAN Bus) with a flexible data rate (CAN FD) communications port. The circuit interfaces to the local development platform via Serial Peripheral Interface (SPI), providing a secure method to attach field bus communication to new and existing designs. The EVAL-ADM3055E-ARDZ shield allows [...]
CAN Bus To Fiber Optics Converter For Electrical Isolation And EMI/RFI Immunity
S.I. Tech (USA) introduced its Model 2149R CAN Bus to Fiber Repeater, a component that converts electrical CAN Bus signals to optical signals. The maximum data transfer speed on the electrical side is 1 Mbit/s.The use of fiber-optic converters allows for effective electrical isolation between the attached devices, protecting them from electrical surges, and providing EMI/RFI [...]
Raspberry Pi Cookbook Includes Internet-Of-Things (IoT) Projects
With millions of new users and various improved models, the Raspberry Pi ecosystem proceeds to grow, along with more questions regarding the RPi’s capabilities. The third edition of this successful cookbook presents more than 200 hands-on methods that explain how to run this tiny low-cost computer with Linux; program it using Python; hook it up to [...]
ESP32 Mini IoT Development Module with Color LCD, Microphone, Grove Interface, 4MB Flash for Arduino and UIFlow Programming
The M5Stick-C is a mini M5Stack, powered by the ESP32. It represents a portable, easy-to-use, open-source, IoT development module. The M5stickC is one of the core devices in the M5Stack product series as part of a continuously growing hardware and software ecosystem. It comes with a variety of compatible modules, as well as an open-source code and [...]
CAN Bus Termination Adapter Suitable For CAN Bus Interfaces With D-SUB9 Connector
The image below demonstrates a sample CAN Bus network. Two wires, CAN_H and CAN_L, connect all nodes, and the bus line is terminated by resistors, which are typically 120 Ω and are necessary to suppress any electrical reflections on the bus. According to ISO 11898-2, the termination resistor should be in the range of 100…130 Ω but [...]