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The rise of Internet of Things (IoT) technology has paved the way for new and engaging initiatives that seamlessly integrate the physical and digital worlds. Here an Arduino Bluetooth controlled autonomous car is introduced which can move itself automatically in order to park itself by accepting instructions from a mobile device. This paper investigates the design, development, and implementation of an Arduino-based Bluetooth-controlled automobile with integrated front and back lighting. The paper has studied the reliability of the device measured in various parameters. The project uses readily available components, such as the Arduino UNO microcontroller, L293D motor driver, and HC-05 Bluetooth module, to develop a low-cost solution. Using Bluetooth communication, users can remotely manage the car's motions and lighting features from a paired device. This chapter expands on past rounds of Bluetooth-controlled automotive projects. The four-wheeler is connected to an Arduino and a Bluetooth module. The remote device i.e mobile already has an Android application installed. Instructions to the vehicle are sent via that application, which is connected to the vehicle's module. The Bluetooth module sends the command as a signal to the Arduino, which can work with signals and convert them into pre-defined actions. Signals were sent to the motors, and the car started to run. This car does not have advanced functions, but we can add features such as line detection or obstacle detection, and we can attach a camera to the vehicle and view it through mobile to make it armed/specially capable. The reliability of this design is studied by executing several different tests and recording the behavior of the car in such tests. The power consumption, the area of activation and the distance covered by the car is recorded to calculate the overall efficiency of the design. The user friendliness of mobile based app to control the car is calculated by taking user feedback in a scale of 1 to 5. Finally, the conclusion and the future direction of the research is stated.
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