Flatline Robotics
Arduino CAN Bus
Reader
Sniff traffic. Decode messages. Build custom vehicle interfaces.
⏱ 3 Sessions · 2 Hrs Each
🎁 Keep Your Reader!
What You'll Build
  • Arduino-based CAN bus sniffer
  • MCP2515 CAN controller module
  • Real-time data frame capture
  • Message decoding and analysis
  • Identify vehicle data sources
  • Filter specific CAN IDs
  • Serial monitor data display
  • Foundation for custom gauges and displays
Session by Session
1
CAN Bus Fundamentals
Learn CAN bus architecture: message frames, arbitration, identifiers, and data packets. Understand vehicle networks.
2
Arduino & MCP2515 Setup
Wire Arduino to MCP2515 module. Install libraries. Write basic sketch to initialize CAN interface.
3
Message Capture
Develop code to capture incoming CAN frames. Display raw data on serial monitor. Learn filtering techniques.
4
Decoding & Analysis
Decode specific vehicle messages. Identify speed, RPM, and other parameters. Create a data logging system.
5
Integration & Testing
Connect to a real vehicle CAN bus. Test your reader. Capture and analyze live vehicle data.
6
Next Steps
Learn how to extend your reader: add displays, create custom gauges, or integrate with other projects.
Skills You'll Gain
CAN Bus Protocol Arduino Programming Vehicle Networks Data Decoding Serial Communication
Prerequisites
Arduino programming experience required. Familiarity with C++, serial communication, and basic electronics. Bring a laptop with Arduino IDE installed.
Take Home Your Reader
Build a complete CAN bus reader you can use on any vehicle. The foundation for custom dashboards and vehicle monitoring.
Equipment Provided
  • Arduino Uno
  • MCP2515 CAN Module
  • Wiring & Connectors
  • Demo CAN Bus
Tap into your vehicle’s nervous system. Build a CAN bus reader and unlock custom vehicle data access.
Register Now →