Home Innovations in Education IIT Kanpur develops haptic smart watch for the visually impaired

IIT Kanpur develops haptic smart watch for the visually impaired

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IIT Kanpur has developed a novel touch-sensitive smart watch for the visually impaired and blind persons that are equipped with modern techniques and can be a boon for them. The watch based on Haptics (deals with the technology that stimulates the sense of touch) has been developed at the National Centre for Flexible Electronics, IIT Kanpur by Prof. Siddhartha Panda, Department of Chemical Engineering, and Mr. Vishwaraj Srivastava.

The watch comprises of sensors like PPG (Photoplethysmography) to read health parameters such as the heart rate and SpO2. An accelerometer is used to measure the step count to keep track of daily activity. All these parameters can be individually read using the haptic menu.The developed watch has a special feature called a “smart timer” which is used to set short timers using a simple and unique gesture.

The invention is a cost-effective smart wearable device with a touch-sensitive tactile interface that displays information using vibrations. This makes it more suitable for private usage compared to audio-based output devices available in the market. The dial face consisting tactile touch-sensitive hour markers and vibration-based output is used to read time, create an interface to select different apps, haptically recognize different apps, and to sense the numbers.

Around 49 million blind and 285 million visually impaired persons in the world face difficulty in easily interacting with devices due to the absence of tactile interface. India is home to about 20% of the total blind people in the world. Addressing the concern, the team at IIT Kanpur has developed a smart watch that operates in haptic mode.

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