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Published on 16 May 2022. Written by Murali Krishna R
We have often seen that Physically challenged are struggling to communicate. The people who can’t able to move and struggling to communicate with others, someone has to look after them. If they ask for water, they have struggled a lot. People who are caring for them face difficulty to understand their requirements and give the things they wanted. For the care of those people, we had a project that will assist their caring. This Arduino project helps those people to say their common requirement for people who care for them. Thus, they can communicate with others. They meet their requirements through these types of communication.
Hardware Components Required
Arduino UNO
Bluetooth Module HC 05
Jumper Wires
LCD Display 16*2
Buzzer
USB cable for Arduino
Power Cable for Arduino
Software Components Required
Arduino IDE
Bluetooth Terminal App
Description
In this Project, we are using Bluetooth technology for communication and achieve our aim to help the disabled to communicate with others. Arduino is used in this project which controls and processes the information. A microcontroller is similar to a system on chip computer, but it has a limited capacity of memory and other features. The microcontrollers are used in various fields like washing machines, remote controls, and other embedded systems. We have chosen the Arduino, because of its features. The Arduino microcontroller has an open-source IDE. A community is there is help you. It can be learned in hours. It has options for both digital and analog inputs. It has a feature of the Pulse Width Modulation technique. This technique is used to vary the duty cycle of the motor. The Arduino can send and receive the information. It has a power supply port.
The software we use for coding is the Arduino IDE. It is an open-source language. It can be learned easily. It is almost like the English language. It can be learned in hours. Bluetooth module HC05 is used for the connection. It has a connectivity of a range 10-meter radius. It can send and receive information. It acts as an interface between the phone and Arduino.
LCD Display listed for the project can display a maximum of 16 characters per row. It has a backlight option. We can adjust brightness and contrast in the LCD. LCD displays the requirement of the disabled. Some usual requirements are programmed earlier. They can use these by tapping or they can type the requirement and display on the LCD. The buzzer is used to give signals to the caretaker. Bluetooth terminal App can send and receive signals to the Arduino.
Mainly we use Bluetooth connectivity for communicating with disables. It has a limited range of 10 meters. Only over the range of 10-meter communication can be done. We can change this range by selecting another type of Bluetooth module. The requirement of the disabled is known through this project. Hence it is easy for the caretaker to know their requirements and to help them. Thus, the communication can be done with disables using the Arduino.
