Flipper Zero Add-On: CANBus

$20.00

SKU: ECFliS0088
Avaibility: Out of Stock
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This Add-On along with the MCP2515 CAN bus app allow you to interact with a CAN bus network. You can read messages that are transmitted, watch bytes from every node in the network, and catch any message/package to then resend it or send other data to the same address. Making the app a nice tool for analysis, error detection and peripherals control in a CAN bus network.

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How does CAN bus work?

Controller Area Network (CAN), is a special kind of communication system designed for devices to talk to each other. It’s most commonly used in cars where it allows all the electronic control units (ECUs) to chat with each other.

Instead of a continuous flow of data, CAN bus sends information in short messages. Each message has an ID that tells the other devices what kind of data it is. This makes it easier to find specific information.

Not all messages are equal. Some messages are more important than others. CAN bus lets important messages get sent first, which is crucial in situations like when the anti-lock brakes need to talk to the engine right away.

This is one of the coolest things about CAN bus. It only uses two wires to transmit messages.

Tech Specs

MCP2515

Is a stand-alone Controller Area Network (CAN) controller that implements the CAN specification, Version 2.0B. It is capable of transmitting and receiving both standard and extended data and remote frames. The MCP2515 has two acceptance masks and six acceptance filters that are used to filter out unwanted messages, thereby reducing the host MCU’s overhead. The MCP2515 interfaces with microcontrollers (MCUs) via an industry standard Serial Peripheral Interface (SPI).

  • Operates from 2.7V-5.5V
  • 5 mA active current (typical)
  • Can be used as a clock source for other device(s)
  • High-Speed SPI Interface (10 MHz)

Read more of its characteristics in the datasheet.

Schematics

Find the project files here → FLIPPER_CANBUS

Understanding Flipper Add‐On: CAN bus

Main functions

This Add-On allows you to analyze and view IoT traffic in CAN bus networks. You will be able to analyze the traffic of the signals and even replicate them to control peripherals in a CAN bus network.

Connecting your Add-On to Flipper

Use the pin headers to plug your Add-On to your Flipper.

* The first step for using the CAN bus Add-On is installing the CAN bus app in the Flipper. You can find the instructions here

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TECH SPECS

View repository on GitHub

ControllerMCP2515
Operating Voltage3.3V
Input Voltage (recommended)3.3V
TranceiverMAX3051
Controller SPI Speed10MHz
CopatibilityFlipper
High-Speed Operation1Mbps
Clock Speed16 MHz
Length67mm
Width21.3mm