You may find information about the components required to build an Arduino car from the following link.

Troniction Arduino Car Components

Refer to the following diagram to wire the components.

Arduino Car Wiring Diagram

Step By Step Walkthrough - Wiring the Troniction Arduino Car

  1. Connect Motor Driver L298N to Gear Motors L298N to Gear Motors
  2. Connect Motor Driver L298N to Arduino L298N to Arduino
  3. Connect Bluetooth Module HC-06 to Arduino HC-06 to Arduino
  4. Connect Buzzer to Arduino
  5. Connect Battery Pack to Arduino

Connect Motor Driver L298N to Gear Motors of the Chasis

Tip: When the gear motor position changes direction perpendicularly, wires should also be interchanged to get the same rotating direction.

See the below diagram, same side wires are not parallel. The wires are interchanged. See the front two motor wirings, the wires are interchanged to get the same direction.

Warning: If you connect the wires parallelly and symmetrically then the wheels will rotate in opposite directions. You may have to change the wiring later.

Always connect the wires as shown in the diagram below. (Change the polarities of the wires when the gear motor rotates 90 degrees).

Wiring Motor Driver L298N to Gear Motors of the Chasis

Connect Motor Driver L298N to Arduino

Connecting the motor driver L298N to Arduino is pretty straightforward. Just use a size 6 ribbon cable and connect the two as shown in the below table.

Arduino PinL298N Pin
8 EnB
9 IN4
10 IN3
11 IN2
12 IN1
13 EnA

Connect Bluetooth Module HC-06 to Arduino

Arduino Uno R3 Interfacing with Bluetooth Module HC-06

Connect Buzzer to Arduino

How to connect buzzer module to Arduino board for sounds

Connect Battery Pack to Arduino

Powering Troniction car with Rechargeable Batteries 3.7V

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Arduino Car Building

You can download everything you need know to build your own Arduino-based electronic car as a PDF file for your reference.

Troniction Book