A finger-mounted obstacle detector for people with visual impairment

impairment. The proposed assistive prototype detects obstacle using ultrasonic sensor in real-time and produce audio feedback using transducer. Many previous studies proposed prototypes that are either heavy, bulky, obstructive or high computational power leading to high power consumption. However, the research successfully designed a prototype to be small, light-weight, non-obstructive, low computational power, low cost, portable and wearable. The proposed prototype can potentially assist people with visual impairment in reducing the rate of collision or accident against obstacles around them.