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4G Telematics Unit With OBD-II (CAN Bus) Port For Fleet Management

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AutoPi 4G Telematics Unit With OBD-II CAN Bus Port For Fleet Management

The TMU Pi3 telematics unit by Autopi (Denmark) utilizes the Raspberry Pi 3 Model A+ SBC, and it connects to in-vehicle CAN Bus networks via the OBD2 port.

AutoPi Telematics Unit

The device uses the 1,4-GHz Broadcom BCM2837B0 SOC with Cortex-A53 64-bit quad-core processor, including 512-MiB SDRAM and a 32-GiB micro SD card with installed Raspbian Jessie operating system and Autopi Core software. 

Supported CAN-based higher-layer protocols include ISO 15765-4 (diagnostic over CAN), SAE J1939, etc. Wifi, Bluetooth, and 4G/LTE cellular network provide wireless connectivity. The TMU Pi3 is upgradeable to the Raspberry Pi4 if additional computing power and Ethernet support are necessary.

The unit features a GPS receiver, an HDMI (video output) interface, an audio jack, built-in speakers, a micro USB port, and 18 programmable GPIO (general purpose input/output) pins. It also carries a 3-Axis accelerometer, and it is possible to expand the TMU with a 3-axis gyroscope. Two LEDs indicate the power and status of the device. 

The dimensions are 137 mm x 36mm x 66mm, and it operates with a power supply of up to 35VDC, which is suitable for use in trucks. A built-in power management system prevents the vehicle’s battery from being drained when the TMU is left plugged in for extended periods. The operating temperature can range from -20 °C to +70 °C.

In combination with the fleet and device management software, Autopi Management Cloud tracks the connected vehicles. The data can be visualized and diagnosed on a PC, a mobile device, or the cloud. 

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ESP32 WiFi, Bluetooth Classic, BLE, CAN Bus Module

ESP32 WiFi, Bluetooth Classic, BLE, CAN Bus Module

The board comes with an onboard ESP32 WROOM-32 WiFi, Bluetooth Classic, BLE Module, and a CAN Bus port with a transceiver. Also, onboard is an RGB LED, IO pins on a 0.1" pad.

Programming is accomplished through the popular Arduino IDE connected to the USB-to-Serial converter with USB-C connector, automatic bootloader, and reset.

The ESP32 is a series of low-cost, low-power system-on-chip microcontrollers with integrated WiFi and dual-mode Bluetooth. The ESP32 series employs a Tensilica Xtensa LX6 microprocessor in dual-core and single-core variations and includes built-in antenna switches, RF balun, power amplifier, low-noise receive amplifier, filters, and power management modules.

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Programmable Maritime Application System Based on Raspberry Pi Supports NMEA 2000 Functionality

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. GPS status. Steering [...]

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Installing python-can on the Raspberry Pi

This post demonstrates the steps required to install python-can on the Raspberry Pi for use with PiCAN2, PiCAN3, PiCAN-M CAN Bus HATs. First make sure the driver is installed. See:PiCAN2, PiCAN3, and PiCAN-M Driver Installation for Raspberry Pi...Now install python-can: pip3 install python-can Check there is no error. You can now initialize the CAN interface: sudo /sbin/ip link set can0 [...]

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PiCAN2, PiCAN3, and PiCAN-M Driver Installation for Raspberry Pi

This post provides you a brief overview on the steps required to install the software driver on the Raspberry Pi for use with the PiCAN2, PiCAN3, and PiCAN-M CAN Bus HATs, including the dual-port and SMPS versions. Please refer also to the board's user manual. Start by creating a new SD card image with the Raspberry Pi [...]

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NMEA 2000 Powered Computer System With Raspberry Pi 4, NMEA 2000 HAT, Pre-Installed OpenPlotter And Signal K

Copperhill Technologies offers various  NMEA 2000 compatible embedded systems, including HATs for the Raspberry Pi and the Arduino-compatible line of Teensy modules. The NMEA 2000 standard defines a low-cost, modest capacity, bi-directional, multi-transmitter, multi-receiver instrument network. The hardware layer utilizes the CAN (Controller Area Network) technology. Typical data on an NMEA 2000 network include: Position latitude and longitude GPS [...]

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Industrial PC Based On Raspberry Pi Platform Supports A Broad Range Of Connectivity Options And Functions

The Revolution Pi series, from  KUNBUS GmbH, is a cost-effective industrial PC based on the well-established Raspberry Pi platform. The RevPi series, for short, represents controllers composed of open hardware and software, meeting the EN 61131-2 standard. The operating system is a specially adapted Raspbian version with an RT patch. The RevPi Compact from KUNBUS is a [...]

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Embedded System With Two CAN-FD Interfaces Based On Raspberry Pi CPU

Emcomo (Germany) introduced its EM-RPI-Box passive-cooled embedded system with two CAN FD interfaces. The fanless embedded system with two CAN FD interfaces is based on a Raspberry Pi CPU board, and it comes with several mounting options. Target applications are industrial automation and automotive. The product comes with a Broadcom BCM2711, quad-core Cortex-A72 (ARM v8) 64-bit SoC [...]

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Compact Controller Based On Raspberry Pi Compute Module 3+ Supports Modbus RTC And Modbus TCP Programming

The new  RevPi Compact from KUNBUS is the latest addition to the RevPi product suite of industrial PCs. It represents a robust and cost-effective compact controller based on the Raspberry Pi Compute Module 3+, and it comes with a wide range of connectivity options and functions.The Raspberry Pi Compute Mode 3+ The  Compute Module 3+ (CM3+) is a [...]

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Raspberry Pi Compute Module 4 Comes With PCIe Support And Multimedia Interfaces

Newark, a global distributor of electronic components, products, and solutions, introduced the new Raspberry Pi Compute Module 4 (CM4). The CM4 module delivers the power of the Raspberry Pi 4 to the compute module family. It is supplemented by two accessories, the Compute Module 4 I/O (CM4IO) board and the Compute Module 4 Antenna Kit. The CM4 [...]

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Design Concept: Raspberry Pi System With Four Isolated CAN Bus Interfaces

Copperhill Technologies currently develops their  JCOM.CAN.QUAD product, a galvanically isolated four-channel CAN-to-USB gateway board. More precisely, two of the interfaces support Classical CAN, while another two operate as CAN FD (Flexible Data Rate) ports.  The board comes with two UART ports, which allow the use of external LIN Bus breakout boards, such as our Isolated LIN Bus Breakout [...]

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