Ultrasonic Echolocation Device for the Blind, Amman

  • ROW designed an ultrasonic echolocation device with haptic feedback for Ahmad, a Syrian refugee who was shot by a sniper at age 22 and rendered completely blind
  • Used primarily for navigating indoors, the device was made with an Arduino, low-cost ultrasonic sensors, and a small vibrating motor
  • The total cost was $31, and the design made fully open-source