Comparative Study of a Smart Blind Stick for Blind People

Eyes, organs of vision, are an important part of human physiology, as they have the ability to receive and process visual detail to the brain. In addition, they play a vital role in the lives of humans, since 83% of environmental information is obtained through the eyes. There are various benefits to a smart blind stick with sensor integration. By identifying impediments and sounding an alarm via beeps or audio signals, it makes it easier for people who are blind or visually impaired to navigate their environment. The stick can identify impediments including walls, pools of water, cars, and staircases thanks to its infrared and ultrasonic sensors. Additionally, some sticks contain tilt sensors that can be used to send messages to family members via GPS and GSM connectivity and identify accidents. If the stick is lost, it can also be paired via Bluetooth with a smartphone app to assist the user in finding it.