CAN Bus Communication for Electric Vehicle Applications | Arduino ADC → MCP2515 → USB-CAN-B →LabVIEW

Controller Area Network (CAN Bus) is the backbone communication protocol used in Electric Vehicles (EVs), Battery Management Systems (BMS), motor controllers, inverters, and industrial automation systems.

In this video, a complete end-to-end CAN Bus data flow is demonstrated—starting from analog sensor acquisition to real-time visualization in LabVIEW, using industry-standard hardware and tools.

🔧 System Architecture Covered

Arduino (Microcontroller Node)
Used as a CAN node to acquire multiple analog signals.

74HC4067 Analog Multiplexer
Expands Arduino ADC capability to 16 analog channels, enabling scalable sensor integration.

MCP2515 CAN Controller Module
Implements CAN 2.0A / 2.0B protocol, handling CAN frame generation and arbitration.

USB-CAN-B Interface
Acts as a professional CAN-to-USB gateway, commonly used in EV labs and industrial diagnostics.

LabVIEW CAN Communication
Real-time CAN frame decoding, signal extraction, and visualization using LabVIEW.

📊 What You Will Learn

How analog sensor data (ADC) is packed into CAN frames
CAN identifier selection, data bytes, and message structure
Practical CAN baud-rate configuration and termination
Real-time CAN data monitoring in LabVIEW
How this architecture maps directly to EV, BMS, inverter, and motor-controller communication

🚗 Real-World Applications

Electric Vehicle communication networks
Battery Management Systems (cell voltage, current, temperature over CAN)
Motor drives & inverters
Industrial automation & diagnostics
Hardware-in-the-loop (HIL) testing

This implementation closely reflects how production-grade CAN systems operate in EVs and industrial controllers—making it highly relevant for students, researchers, and working professionals.

🔗 Tools & Technologies Used

Arduino
74HC4067 Analog Multiplexer
MCP2515 CAN Controller
USB-CAN-B Interface
LabVIEW CAN Communication