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LoRa-E5 CAN Development Kit - based on LoRa-E5 STM32WLE5JC, LoRaWAN protocol, CAN FD and RS485 communication supported

LoRa-E5 CAN Development Kit is based on the LoRa-E5 STM32WLE5JC Module and supports CAN FD, CAN2.0, and RS485 communication. It supports industrial standards, provides a waterproof case and solar charging interface, and comes with high extensibility and compatibility. It's ideal for car hacking and LoRa sensor network management. 

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PRODUCT DETAILS

Features

  • Support various communication methods: CAN FD, CAN 2.0, and RS485
  • High extendability with various sensors: full GPIOs led out to rich interfaces, including RS-485, Grove modules for GPS, environmental detection, etc
  • High compatibility: support Global LoRaWAN® and LoRa frequency plan with long-distance transmission range to 10km(ideal value in open area)
  • Easy to use: User-friendly waterproof case & solar charging interface provided for better outdoor deployment and enable temporary use when lacking an external power source
  • Support industrial standards: a wide working temperature at -40 ℃ ~ 85℃, high sensitivity between -116.5 dBm ~ -136 dBm, and power output up to +20.8dBm at 3.3V

Description

LoRa-E5 CAN Development Kit is based on the LoRa-E5 STM32WLE5JC Module and supports CAN FD, CAN2.0, and RS485 communication. It provides a user-friendly waterproof case and solar charging interface for better outdoor deployment. (Buy with Small Solar Panel 55x70mm 0.5W if you need it in your project) 


It consists of a LoRa-E5 CAN bus Dev Board, an antenna(EU868/US915), and a waterproof case. The embedded LoRa-E5 STM32WLE5JC Module supports LoRaWAN protocol on the global frequency band. It leads out full GPIOs of LoRa-E5 supporting various data protocols and interfaces including RS-485, Grove, male/female headers, etc. It would be a perfect choice for fast testing and rapid prototyping of your LoRa IoT projects. Also, the LoRa-E5 STM32WLE5JC Module is the world-first combo of LoRa RF and MCU chip into one single tiny chip and is FCC and CE certified. It is powered by ARM Cortex-M4 core and Semtech SX126X LoRa chip, supports both LoRaWAN and LoRa protocol on the worldwide frequency and (G)FSK, BPSK, (G)MSK, and LoRa modulations.


It features an ultra-long transmitting range of up to 10km in an open area, extremely low chip power consumption which the sleep current is as low as 2.1 uA(WOR mode), and user-friendly interfaces which are developed to unlock the full functionality of the LoRa-E5 module,  CAN FD and CAN 2.0 communication, it has led out full 28 pins of LoRa-E5 and provides rich interfaces including Grove connectors, RS-485 terminal, male/female pin headers for you to connect sensors and modules with different connectors and data protocols, saving your time on wire soldering. You could also easily power the board by connecting the battery holder with 2 AA batteries, enabling temporary use when lacking an external power source. It is a user-friendly board for easy testing and rapid prototyping. It is designed with industrial standards with a wide working temperature at -40 ℃ ~ 85℃, high sensitivity between -116.5 dBm ~ -136 dBm, and power output up to +20.8dBm at 3.3V.

Learn more about LoRa-E5 here.


What is CAN-BUS?


CAN stands for Controller Area Network, it is used to allow microcontrollers and devices to communicate with each other within a vehicle without a host computer which allows for control and data acquisition. These devices are also called Electronic Control Units (ECU) and they enable communication between all parts of a vehicle.

Today, you can find up to 70 ECUs in a modern car. CAN is a serial communication bus designed for industrial and automotive applications. For example, they are found in vehicles, farming equipment, industrial environments, etc.


How does CAN-BUS work?


The fuel level, door sensors, odometer, and many more parts of a car have to communicate with each other somehow, and CAN BUS is what they used to do. These CAN-compatible components, which are called “nodes” are connected with a 3-string copper wire, with no central router to govern the flow of data. Every node can hear the messages of every other node.

Every node has an ID, where the ones with the higher priority ID can have the priority to “talk” first while the others “listen”. This is to ensure that there are never two nodes talking at the same time. The biggest benefit of CAN-BUS is to be able to just connect components without having to worry about signal routing.

Learn more about CAN-BUS here.

There are two Grove interfaces on board that lead out more functions you will need in your projects. Here we will provide you with some suggestions. 

Grove makes it easier to connect, experiment, and simplify the prototyping process. No jumpers or soldering are required. We have developed more than 300 Grove modules, covering a wide range of applications that can fulfill various needs. Not only are these open hardware, but we also have open-source software. 



You can also interact with the devices through a Human-Machine Interface(HMI):

  • Wio Terminal---Sense and tag the Real-World data with over 300 Groves created by Seeed and visualize through Azure IoT Central Platform to create an end-to-end IoT project.
  • reTerminal CM4104032---reTerminal is powered by a Raspberry Pi Compute Module 4 (CM4) which is a Quad-Core Cortex-A72 CPU running at 1.5GHz and a 5-inch IPS capacitive multi-touch screen with a resolution of 720 x 1280.

Application

  • LoRa sensor network management:  A large number of sensors in the industry are transmitted through CAN BUS. With the LoRa-E5 CAN Dev board you can use the on-board CAN-BUS function to read the sensors and send the data through LoRa.
  • Car hacking: Since the circuit board can receive 5-28V input, the user can connect the circuit board to the OBD interface, get the data of the car and send it out through LoRa

Scenarios

LoRa - E5 CAN Dev Kit Grove - GPS(Air530) Wio Terminal Grove - Lora E5

What a perfect combo for you to make a GPS tracking system! Simply connect the grove interface on the LoRa-E5 CAN Dev board to a grove - GPS(Air530), which gives you real-time insights into your vehicle. With a Wio terminal connecting a Grove - LoRa E5 to communicate with your car, take the advantage of the embedded buzzer and LED of the Wio Terminal to create an alarm system!

Hardware Overview

Specification

Items

Specifications

Voltage supply

5V/USB, 3.7V Lipo Battery, 4.5~28V DC input

Voltage output

3.3V

Power output

Up to 20.8dBm at 3.3V

Frequency

EU868/US915/AU915/AS923/KR920/IN865

Protocol

LoRaWAN

Sensitivity

116.5dBm~-136dBm

Modulation

LoRa, (G)FSK, (G)MSK, BPSK

CAN 2.0 speed

Up to 1Mb/s

CAN FD speed

Up to 5Mb/s

CANBed Family in Seeed

CAN-BUS series product selection reference is provided here. The table compares NEW-Release LoRa-E5 CAN, CANBed v1, CANBed FD, CANBed M4, and CANBed RP2040 in detail in terms of MCU, protocol, memory, interface, etc.

Items

LoRa-E5 CAN

CANBed v1

CANBed FD

CANBed M4

CANBed RP2040

MCU

LoRa-E5 (STM32WLE5JC)

ATmega32U4(with Arduino Leonardo bootloader)

ATmega 32U4 (with Arduino Leonardo bootloader)

ATSAME51 32bit Cortex M4 core

RP2040
(Dual ARM Cortex-M0+)

Clock Speed

up to 48MHz

16MHz

16MHz

120MHz

up to 133 MHz

Protocol

LoRaWAN,RS485,CANFD & CAN2.0

CAN2.0

CANFD & CAN2.0

CANFD & CAN2.0

CAN2.0

Flash Memory

256KB

32KB

32KB

512KB

2MB

SRAM

64KB

2.5KB

2.5KB

192KB

264KB

EEPROM

-

1KB

1KB

-

-

Operate Voltage(CAN-BUS)

4.5~28V

9-28V

7-28V

7~28V

9-28V

Operate Voltage (MicoUSB)

5V

5V

5V

5V

3.3V

Lipo Battery

3.7V

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-

-

-

Input Interface

9 pin sub-D or 4PIN Terminal

9 pin sub-D or 4PIN Terminal

sub-D or 4PIN Terminal

sub-D as well as Terminal

sub-D

Price

$39.90

$24.90

$17.90

$19.90

$15.90

Inventory status

pre order

in stock

in stock

in stock

in stock

Part List

LoRa-E5 CAN Development board

1

Antenna(EU868/US915)

1

Waterproof case

1

ECCN/HTS

HSCODE 8543709990
UPC

LEARN AND DOCUMENTS

Learn

During the past month, we received valuable feedback regarding the design of the vehicle monitoring device based on a Seeed LoRa E5 and CAN Bus from our community.
Ever heard of CAN-BUS but don’t exactly know what it does? Fret not! We will be discussing everything about CAN-BUS today.
This blog post highlights the available resources to safely play and hopefully learn more about CANbus and automobile/car hacking
In this blog, a summary based on our community’s thoughts is provided to help you explore more possibilities and hopefully spark your creativity with the LoRa-E5 CAN Dev kit!

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