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CANBed - Arduino CAN-BUS Development Kit (ATmega32U4 with MCP2515 and MCP2551)

SKU
102991321
Rating:
100 % of 100

CANBed - Arduino CAN-BUS Development Kit carries an ATmega32U4 chip and MCP2515, MCP2551 CAN-BUS controller and transceiver to realize the CAN-BUS communication protocol on a single board without other MCU to control, it is a CAN-BUS Development Board itself!

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PRODUCT DETAILS

CANBed - Arduino CAN-BUS Development Kit embeds an ATmega32U4 chip, which means you don’t need to add other jump wires to another Arduino Board, it is an Arduino board itself plus MCP2515 CAN Bus controller and MCP2551 CAN Bus transceiver

Features

  • Enhanced MCU Performance: ATmega32U4 with Arduino Leonardo bootloader on the board
  • Compatible with Arduino: Combines CAN-BUS shield and Arduino development board together on a single board
  • High Speed: Implements CAN V2.0B at up to 1 Mb/s
  • Rich Resources in Pins: 18 pins that include digital pins, analog pins, UART, and I2C interface
  • Easy to Use: Requires no other MCU to control and is compatible with Arduino IDE

 

CAN-BUS is a common protocol and widely used in industry due to its long travel distance, medium communication speed, and high reliability. Now you can realize a CAN-BUS project through this tiny little development board.

Because of the ATmega32U4 onboard chip, this board has rich resources in pins. As a matter of fact, there are 18 pins based on the core chipset up on the board, which include digital pins, analog pins, UART, and an I2C interface. Besides, this CANBed adopts the MCP2515 CAN Bus controller with SPI interface and MCP2551 to achieve the CAN-Bus capability. There are also two kinds of CAN Bus interfaces for various demands which are sub-D9 connector and terminal block interface. They would fit all your needs in the connecting method.

This CAN-Bus development board is perfectly compatible with Arduino IDE. With the help of the Arduino CAN-Bus library, you will save plenty of time for your CAN project. 

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.

Application

  • Car hacking: The user can connect the circuit board to the OBD interface through the sub-D connector to read the data of the car
  • Easy building prototype: ATmega32U4 chip leads out various additional functions which help especially beginners build various prototypes.

Specification

Parameter Value
MCU ATmega32U4(with Arduino Leonardo bootloader)
Clock Speed 16MHz
Flash Memory 32KB
SRAM 2.5KB
EEPROM 1KB
Operate Voltage(CAN-BUS) 9-28V
Operate Voltage (MicroUSB) 5V
Input Interface sub-D

 

Hardware Overview

D-Sub CANbus PinOut

pin# Signal names Signal Description
1 Reserved Upgrade Path
2 CAN_L Dominant Low
3 CAN_GND Ground
4 Reserved Upgrade Path
5 CAN_SHLD Shield, Optional
6 GND Ground, Optional
7 CAN_H Dominant High
8 Reserved Upgrade Path
9 CAN_V+ Power, Optional

Switch for the 120Ω terminal resistor for CAN Bus

If you use this slaver at the end of the CAN bus, you need to solder a 120Ω resister between the two pads, if not just leave them alone. 

 

CAN Bus 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 terms of MCU, protocol, memory, interface, etc.

 

Items

Wio-E5 CAN

CANBed v1

CANBed FD

CANBed M4

CANBed RP2040

CANBed Dual

MCU

Wio-E5 (STM32WLE5JC)

ATmega32U4(with Arduino Leonardo bootloader)

ATmega 32U4 (with Arduino Leonardo bootloader)

ATSAME51 32bit Cortex M4 core

RP2040
(Dual ARM Cortex-M0+)

RP2040

(Dual ARM Cortex-M0+)

Clock Speed

up to 48MHz

16MHz

16MHz

120MHz

up to 133 MHz

133MHz

Protocol

Long Range,RS485,CANFD & CAN2.0

CAN2.0

CANFD & CAN2.0

CANFD & CAN2.0

CAN2.0

CANFD & CAN2.0

Flash Memory

256KB

32KB

32KB

512KB

2MB

2MKB

SRAM

64KB

2.5KB

2.5KB

192KB

264KB

264KB

EEPROM

-

1KB

1KB

-

-

 

Operate Voltage(CAN-BUS)

4.5~28V

9-28V

7-28V

7~28V

9-28V

 

9-28V

Operate Voltage (MicroUSB)

5V

5V

5V

5V

3.3V

5V

Lipo Battery

3.7V

-

-

-

-

-

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

Sub-D

Price

$39.90

$24.90

$17.90

$19.90

$15.90

$14.9

Inventory Status

in stock

in stock

in stock

in stock

out of stock in stock

Part List

CANBed PCBA 

1
sub-D connector  1
4PIN Terminal 1
4PIN 2.0 Connector 2
9x2 2.54 Header 1
3x2 2.54 Header 1

 

ECCN/HTS

HSCODE 8543709990
USHSCODE 8471490000
UPC
EUHSCODE 8543709099
COO CHINA
RoHS 1

LEARN AND DOCUMENTS

Learn

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

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  1. Product Quality
    100%
    Documentation
    100%
    from order view
    Ordered four units, and they all worked perfectly.
    By
  2. Documentation
    100%
    Product Quality
    100%
    from order view
    Good
    By
  3. Product Quality
    100%
    Documentation
    100%
    from order view
    Product worked as described, sample code simple and good.
    Need to add LCD and Sensors, fairly sure it will work ok.
    Would be good to have a bit more information on examples and use of canbed with other add on products, might help your sales.
    By

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