IndexSystem OperationAnalysis of Recovered DataConclusionOver the past decade various automobiles have become part of our daily lives. As the number of vehicles has grown rapidly, this results in serious problems such as improper driving habits, heavy traffic, unstable vehicle conditions, etc. Sometimes it leads to fatal accidents causing a large number of casualties. It not only involves loss of life but also huge financial loss. These drawbacks cannot be eliminated completely, but they can be reduced to a greater extent with the help of Black Box. As it helps the investigation by reconstructing the event before the accident, which not only helps the investigators to know the real cause but also helps the police to reduce crimes. Illustrates how medical assistance is provided to passengers who have suffered an accident in a rural area. The application of the black box in commercial trucking companies is explained. The main purpose of Black Box is to propose a feasible and useful scenario for public safety. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay According to the World Health Organization (WHO), more than 1.25 million people lose their lives due to road accidents. Many people lose their lives because they are left unattended for a long time after the accident. Approximately 20-25 million additional people suffer non-fatal injuries, many of whom experience disability as a result of the injury. In the past, due to the absence of EDR technology in vehicles, many times the victim was considered the perpetrator and the actual cause remains undefined. To solve this problem, black box is introduced in the automotive industry, which not only helps investigators to know the real cause of the accident but also helps to propose measures to save lives. The first black box was introduced in 1974 by General Motors in cars equipped with airbags called detection and diagnostic modules (SDMs). It constantly collects and processes the car's acceleration and deceleration. In 1999 General Motors updated the SDM to include an event data recorder that tracks the car's speed, engine revolutions per minute (RPM), and whether or not the brake pedal is pressed. The SDM keeps the record of the previous 5 seconds since the accident and stores it in the on-board memory and, if the airbags are activated, saves the most recent five seconds leading to the real cause of the accident. The European Parliament has passed a law requiring that every new car built after April 2018 must be equipped with a system called “eCall”. It is a sort of black box, which in the event of an accident automatically contacts the single emergency number 112-Europa. It will help provide timely first aid to people who have met with an accident in remote locations. The data stored in the Black Box should only be accessible to the authorized person, so to keep it safe the data stored on the Secure Digital (SD) card is encrypted. The change in the physical quantity is observed by the sensor which results in sending the output further to the connected controller. The controller will read the sensor output. The data is stored in the SD card. To prevent data forgery, an encryption algorithm is used, and the same data can be accessed by applying the decryption algorithm. The Black Box car is equipped with various types of sensing components that activate immediately with the possibility of problems about to occur. It is also triggered due to the change ofcharacteristics or conditions such as temperature, speed, pressure or application of a sudden brake. The representation of the modules and components to be used is done through blocks. It consists of various sensors such as brake, seat belt, airbag activation, accelerometer, ultrasound, pressure, temperature, light and global positioning satellite (GPS). Various sensors can be connected depending on the sensor connection capability of the processor. All these sensors are connected to the CAN module and controller with the help of CAN bus. Ultimately the event data recorder is used to store the data, it consists of a module to store the data in the specified format. The microcontroller is the main component of the system. Adjusts all sensors connected to it. Depending on your needs, you can use different types of processors in your system. The ARM7 processor (Advanced RISC (reduced instruction set computer) machine) is a member of the ARM family of general-purpose 32-bit processor microcontrollers. It provides high performance with low power consumption. Compared to ARM7 with many processors, each processor requires more cycles to execute instructions. Control network: It is an integrated circuit and a single controller based on a microchip technology device. The International Standards Organization (ISO) defined CAN as a communication bus designed primarily for the automotive industry to replace complex wiring with a two-wire bus. CAN have high electrical interface immunity and can self-diagnose and repair data error. The CAN communication protocol, ISO-11898:2003, shows how information is transmitted between devices on a network and conforms to the Open System Interconnection (OSI) module defined by layers. The physical layer of the model is used to define the actual communication between devices connected via physical media. The ISO-11898:2003 standard, the 11-bit standard identifier, provides signaling rates of 125 kbps to 1 Mbps. This was later changed to the 29-bit "extended" identifier. The standard 11-bit identifier field has 211 or 2048 different message identifiers, while the 29-bit extended identifier has 229 or 537 million identifiers. Electronic sensing components: Electronic sensing components are considered the most important part of the system. Here the sensors are our electronic sensing components. The sensors to be used are explained below: Breakage: Brake sensor is also called brake pedal position sensor. It monitors the movement of the brake pedal so it can directly activate the brake, brake lights and deactivate the cruise control if it is active at that time. Seat belt: to check whether the driver is wearing a seat belt or not. button is used Reed switch sensor is used to check the state of seat belt at the time of accident or any accident. Air Bag: Air bag deployment is triggered by crash sensors (also known as impact sensors). It is used to detect the frontal impact of the accident and activate the control unit to activate the airbag to cushion the passenger. Mainly two types of sensors are used for air bag deployment: mass sensor and roller type sensor. Accelerometer: is a device that measures the acceleration of vehicle movement. The forward acceleration force is measured by this device. The ADXL335 accelerometer is used here which is a 3-axis MEMS accelerometer, it measures static acceleration and.