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(PDF) Development of a Technical Device Named GPS Based Walking Stick
Stick arduino ultrasonic circuit
Arduino-based smart blind stick
(pdf) development of a technical device named gps based walking stickBlind block diagram stick walking gps named device technical development based system Magnetic walking stick for the visually-impairedSmart blind stick using arduino and ultrasonic sensors » electroduino.
Photo of the electronic walking stick for the blind. .