The use of the LED light is the optional parameter in this project.Connect anode and cathode of LED to Pin 9 (in digital pins) and 3.3V (in analog pins) pins, respectively.Pins of HC-05 are connected to Arduino like this: GND(in analog pins) to GND VCC(in analog) to 5V RX to TX(in digital pins) and TX to RX(in digital pins).Connect the same GND of a motor driver to GND (in analog) of Arduino.Connect the positive wire of batteries to +12V pin and negative to the GND of L298N also +5V(of motor driver) to Vin(in analog pins).Connect one terminal of each of two motors to the OUT1 (left side) and OUT2(left side) pins and each of the other two motors to the OUT3(right side) and OUT4(right side) of L298N motor driver.Introductory project for Every Electronics And Electrical Student, to get the working of the Arduino board and its software.To get familiar with Codes and programs used for the controlling of the Arduino Uno board.Making the use of Connectivity Modules like Bluetooth HC-05, to understand the different modes of operating and communications with the micro-controller board.This project's main motive is to expand the knowledge for smart micro-controllers like Arduino, which is widely used in the latest IoT technologies.It can control Four Gear motors at maximum also, the speed of the motors can be handled by this IC. Now, this module is used to control the motors connected for the locomotion of the car these motors work by the command prompted by the Arduino to move or rotate in a specific direction. This is an IC made into a Module with a HEAT SINK embedded into it, which helps release heat whenever the L298D IC is heated. The other two terminals are State and Key, which tells the state of the module that it is in command mode or data mode. The other two are TXD and RXD, the transmitter and receiver respectively, these are the terminals that send and receive signals from the Arduino board to control the device. Two terminal are Vcc and GROUND for power purpose. It has two operating modes: Command mode and Data mode, as we can change these modes by just pressing the push button on the Bluetooth module. It is easy to operate and can be easily configured with the Arduino. Bluetooth Module HC-05īluetooth HC-05 is a Bluetooth module that is mostly used in the Bluetooth based project. In this project, we are going to use the Arduino UNO board (Atmega 328p). There are many types of Arduino boards like Arduino Uno, Arduino Nano, Arduino USB, etc. Once the code is ready, we have to just compile and upload it on the board to make our project work. The Arduino software is used to build the code for every project made using any Arduino boards it mostly uses the C/C++ language for its coding. We can say that both the hardware and software help build the new segment automated devices like e.g., 3D printer, IOT based projects, and much more. Arduino is an open-source community that works on both Hardware and software development.
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