Abstract
There are several hassles in daily life for visually challenged people. In light of this, it is very important to focus on the needs of those who are visually impaired. To help people who are vision impaired to enjoy normal lives, researchers approach the issue from a variety of angles. The white cane is the support system and it enables a sense of being free, independent and self-assured. They can easily take care of their daily tasks thanks to the proposed smart cane's design, which includes an obstacle detection module, heat detection, water detection, light detection, pit and staircase detection using Infrared (IR) sensors, Global Positioning System (GPS), and Global System for Mobile (GSM). The obstacle detection module detects obstacles using ultrasonic range and a camera, intimating the user of the obstacle's detection as well as details about the obstacle. The Raspberry Pi is used to send a voice message through the headset to the visually impaired user regarding the information about what the object is. The person's current location is determined using the GPS and provided as a text message as well as a voice message using a headset. Raspberry Pi is made use of to identify traffic lights, and it notifies the user via a headset whether to wait for the signal or move. If the blind person loses the cane, none of the above mentioned conveniences are available. To accomplish this, an alarm is fixed inside the smart cane which is coupled to their mobile phones. This alarm is used for finding the smart cane if it is missing or placed elsewhere.
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