> For the complete documentation index, see [llms.txt](https://learn.arduinosa.co.za/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.arduinosa.co.za/arduino-robot-car/arduino-bluetooth-car/circuit-diagram.md).

# Circuit Diagram

The entire Circuit will be as below:

<figure><img src="/files/7mZbxnj2DhCYkMd7Teey" alt=""><figcaption></figcaption></figure>

The 2 Left motors will connect to Motor A on the driver board

The 2 Right motors will connect to Motor B on the driver board

A 2 X 18650 battery pack **positive** will be connect to the **VSS / 12V** terminal on the driver board and the **negative** will be connected to the **GND** terminal on the driver board.

The Arduino board will be powered by the same 2 x 18650 battery pack. Connect a jumper from the **VSS / 12v** terminal on the motor board to the **VIN** on the Arduino board. Connect another jumper from the **GND** on the motor driver to **GND** on the Arduino board

The Motor driver will be connected to the Arduino board as per below connections:

* Motor driver ENA -> PIN 9 on Arduino Board
* Motor driver IN1 -> PIN 8 on Arduino Board
* Motor driver IN2 -> PIN 7 on Arduino Board
* Motor driver ENB -> PIN 3 on Arduino Board
* Motor driver IN3 -> PIN 5 on Arduino Board
* Motor driver IN4 -> PIN 4 on Arduino Board

The bluetooth module will be connected to the Arduino board as per below connections:

* Bluetooth VCC -> 5v on Arduino Board
* Bluetooth GND -> GND on Arduino Board
* Bluetooth TX > PIN RX on Arduino Board
* Bluetooth RX -> PIN TX on Arduino Board


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://learn.arduinosa.co.za/arduino-robot-car/arduino-bluetooth-car/circuit-diagram.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.