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Women Safety Night Patrolling Robot
Women Safety Night Patrolling Robot

Women Safety Night Patrolling Robot

Nowadays Women Safety is the biggest concern in many parts of the world. There is still a fear in alone areas for women as well as men. So here we propose a security patrolling robot using Raspberry PI. The system uses cameras and mic mounted on robotic vehicle for securing any premises. The robotic vehicle moves at particular path and is equipped with camera and sound sensors. It uses a predefined line to follow its path while patrolling. It stops at particular points and moves to next points if sound is detected. The system uses IR based path following system for patrolling assigned area. It monitors each area to detect any problem using combination of two HD cameras. It has the ability to monitor sound in the premises. Robot hears Any sound after area is quite and it starts moving towards the sound on its predefined path. It then scans the area using its camera to detect any human faces detected. It captures and starts transmitting the images of the situation immediately to the IOT website. Here we use IOT gecko for receiving transmitted images and displaying them to user with alert sounds. Thus we put forward a fully autonomous security robot that operates tirelessly and patrols large areas on its own to secure the facility.

The Women Safety Night Patrolling is an attempt to make use of the robots for enhancing Women’s safety. It will be a great step towards the rise of automation and Safety. Women safety night patrolling robot makes the best use of its features to work without any problem. It is primarily due to fear of violence against them or being physically or sexually abused. Even in the 21st century where technology is rapidly growing and new gadgets are being developed but still women and girls are facing problems. They often work across ethnic, religious, political, and cultural divides to promote liberty. We know that our society is all aware of the importance of women’s safety, but it is also the duty of individuals that they should be properly protected. Women’s robot patrolling system is the best way to reduce the probability of becoming a victim of violent crime is to recognize, defend and look up resources to help you in hazardous situations.

The hardware requirements are as follows –

 

  1. Power Supply: The design of stabilized supplies has been simplified dramatically by the introduction of transformer ICs like the L78xx and L79xx - three-terminal series regulators which give very stable output and include current limiter and thermal protection functions. The regulated power supply consists of a transformer and a bridge rectifier which may be a combination of 4 diodes connected in a very bridge shape series voltage regulators as they're simpler, cheaper and easier than others

  2. Arduino: The Arduino is a family of microcontroller boards to simplify electronic design, prototyping and experimenting for artists, hackers, and hobbyists. Arduinos (we use the standard Arduino Uno) are built around an ATmega microcontroller essentially a complete computer with CPU, RAM, Flash memory, and input/output pins, all on a single chip. The Arduino connects to your computer via USB, where you program it in a simple language (C/C++, similar to Java) from inside the free Arduino IDE by uploading your compiled code to the board. Once programmed, the Arduino can run with the USB link back to your computer, or stand-alone without it no keyboard or screen is needed, just power.
  3. ESP32 Camera: The ESP32-CAM is a small size, low power consumption camera module supported by ESP32. It comes with an OV2640 camera and provides an onboard TF card slot. The ESP32-CAM are often widely employed in intelligent IoT applications like wireless video monitoring, WiFi image upload, QR identification, and so on. Open a browser and sort the ESP32-CAM IP address. Press the beginning Streaming button to start video streaming. ESP32-CAM is widely utilized in various IoT applications. it's suitable for home smart devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals and other IoT applications.
  4. L293D Motor Driver Module is an expansion board or driver module of L293D. L293D IC is a dual half-bridge driver IC, therefore the module drives the motor in any direction and speed. it's compatible with any controllers and processors like Arduino, AVR, PIC, etc and with a straightforward interface. It makes it easy to form a project instead of using an IC.L293D is a typical Motor driver or Motor Driver IC which allows DC motor to drive in either direction. L293D may be a 16-pin IC which might control a collection of two DC motors simultaneously in any direction. It implies that you'll be able to control two motors with one L293D IC.

    • Working: There are 4 input pins for l293d, pin 2,7 on the left and pin 15,10 on the right as shown on the pin diagram. Left input pins will regulate the rotation of the motor connected across the left side and right input for the motor on the right-hand side.
    • Logic Table: Let’s consider a Motor connected on the left side output pins (pin 3,6).                                                                                                                                                                                                                                                  
    • For rotating the motor in a clockwise direction the inpupins have to be provided with Logic 1 and Logic 0. 

  5. Motor: DC motors like this are great for battery-powered toys, but you don’t find them in many household appliances. Small appliances (things like coffee grinders or electric food blenders) tend to use what are called universal motors, which can be powered by either AC or DC. A universal motor has an electromagnet, instead of a permanent magnet, and it takes its power from the DC or AC power you feed in:

    • When you feed in DC, the electromagnet works like a conventional permanent magnet and produces a magnetic field that’s always pointing in the same direction. The commutator reverses the coil current every time the coil flips over.
    • When you feed in AC, however, the current flowing through the electromagnet and the current flowing through the coil both reverse, exactly in step, so the force on the coil is always in the same direction and the motor always spins either clockwise or counter clockwise, So it doesn’t matter what position the commutator is in at any given moment.

      

       RESULT AND DISCUSSION

    The below pictures are the photographs of the project. The first photograph is of the interface of this project from where this robot can be operated and observed. The second and third photographs are images of the patrolling robot.

    Note : Find the best solution for electronics components and technical projects  ideas

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