DESIGN, CONSTRUCTION AND TESTING OF A SMART STATIC AND DYNAMIC OBSTACLE WALKING STICK WITH EMF DETECTOR FOR THE BLINDS USING MCU AND CONTROLLING SOFTWARE. FJS [Internet]. 2021 Jul. 7 [cited 2025 Sep. 11];5(2):334-43. Available from: http://www.fjsadmin.fudutsinma.edu.ng/index.php/fjs/article/view/623