Talking gloves
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This document describes a project to create talking gloves that can translate sign language gestures into text or speech. The gloves would use flex sensors attached to the fingers to detect hand gestures and convert these into alphanumeric characters. A microcontroller would encode the gestures for transmission via RF to a receiver where the signals would be decoded and the recognized gestures converted to voice using voice recognition software. This would allow deaf people to communicate with others using their hands and sign language translated into a form others could understand.
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Android technology sunny
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ANDROID technology
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Talking gloves
- 1. PROJECT GUIDE : Mr. Manish Okade Submitted by : Atul Agrawal (111EI0594)
- 2. A human interface device Converts mechanism of hand sign language into alphanumerical characters Assists user to communicate with others through ASCII text Without communication growth of a person is hampered. Being a part of the society dumb should not be deprived of their right. Talking Gloves by Atul Agrawal 12-11-2014 2
- 3. A product in concurrence with assistive engineering help dumb people of society Improve communication capabilities • an electronic device that translates sign language into speech in order to make the communication take place between the dumb and normal people. Talking Gloves by Atul Agrawal 12-11-2014 3
- 4. User gesture Flex sensors Microcontroller Encoder RF Transmitter RF Receiver Decoder Gesture recognition Voice recognition DURING TRANSMISSION DURING RECEPTION Talking Gloves by Atul Agrawal 12-11-2014 4
- 5. Most well documented Widely used Visual spatial language used by deaf community Linguistically complete Other sign languages: Adamorobe Sign Language , Kenyan Sign Language , Zimbabwean sign languages …. Talking Gloves by Atul Agrawal 12-11-2014 5
- 6. Talking Gloves by Atul Agrawal 12-11-2014 6
- 7. Talking Gloves by Atul Agrawal 12-11-2014 7
- 8. Patented technology by Spectra Symbol Attached to gloves by needle and thread When the substrate is bent, the sensor produces a resistance output correlated to the bend radius the smaller the radius, the higher the resistance value usually in the form of a thin strip from 1”- 5” long that vary in resistance unidirectional and bi-directional. Talking Gloves by Atul Agrawal 12-11-2014 8
- 9. One side of the polymer is printed with a polymer link having conductive particles sensor is straight : particles give the ink a resistance say 30 kΩ Bending of sensor : conductive particles move further apart increasing resistance up to 50 kΩ Sensor straightens out again : resistance returns to the original value Talking Gloves by Atul Agrawal 12-11-2014 9
- 10. Flat resistance: 25.6 kΩ Bend resistance: 26-32 kΩ Temperature range: -32 to 80C Part length: 5.8 cm Active length: 4.8 cm Talking Gloves by Atul Agrawal 12-11-2014 10
- 11. Talking Gloves by Atul Agrawal 12-11-2014 11
- 12. Even if there is small change in angle the resistance changes and thus the voltage Cost ineffective Talking Gloves by Atul Agrawal 12-11-2014 12
- 13. Flex Sensor using Voltage Comparator Method Talking Gloves by Atul Agrawal 12-11-2014 13
- 14. Flex Sensor Voltage Comparator Method with 2 OP-AMP Talking Gloves by Atul Agrawal 12-11-2014 14
- 15. 2nd Method Flex Sensor using Voltage Divider Method Talking Gloves by Atul Agrawal 12-11-2014 15
- 16. Atmega32 microcontroller for converting Analog signal to Digital signal Encoding Transmitting Receiving Decoding Talking Gloves by Atul Agrawal 12-11-2014 16
- 17. http://ijset.com/ijset/publication/v2s5/pa per5.pdf http://www.iraj.in/up_proc/pdf/22- 1382348320ACEEHYD-2010-227.pdf%2054- 58.pdf http://www.e-ijaet.org/media/47N13- IJAET0313500-revised.pdf Talking Gloves by Atul Agrawal 12-11-2014 17
- 18. Talking Gloves by Atul Agrawal 12-11-2014 18