Abstract
Hand Talk is an assistive technology for deaf and dumb people. In general deaf and dump people communicate with the normal people through sign language, but it is very difficult for all of us to communicate in an effective manner. Thus an efficient and easy way of communication for disabled people is found which is called as hand talk. Hand Talk usually converts the hand movements/gestures which is made by the disabled person and converts it to a voice message or it will display it on LCD as text message. This system works on basis of sensors and arduino. The hand signals which are sensed by the flex sensor which is fitted to each finger of the hand glove. Based on the bending of flex sensor a desired resistance and corresponding voltage is detected. The output is further fed through the arduino as input and it will check for the predefined value in it. If the predefined value matches with the given input the system will display the corresponding output message through voice box shield or LCD display.
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