Design and development of intelligent guide rod based on Arduino and IoT sensing technology

The global population of visually impaired people is growing, but the guide rods that serve their daily travels are not intelligent enough. In this regard, this paper designs four core functions of intelligent guide rod, including voice obstacle avoidance reminder, turning voice prompt, night travel warning and GPS emergency help; Then, based on the single-chip Arduino development board and the Internet of Things sensing technology, the obstacle avoidance, steering and night warning modules are developed by using ultrasonic sensors, photosensitive sensors, Internet of Things modules and GPS modules. The GPS positioning in emergency situations is realized, and the location information is sent to the guardian mobile phone APP through the Internet of Things module; Finally, the prototype is tested in the practical scene of coffee shop to verify the usability and practicability of the guide rod.