Smart-stick-for-blind-people-using-arduino-uno-and-two-ultrasonic-sensor

This is a stick that can alert blind people about front side obstacle and manhole .

One step to help blind pedestrian:

This code runs teo ultrasonic sensor . One utrasonic sensor measure the distance between the stick and frontside obstacle Other ultrasonic sensor measure distance from surface If there is any manhole or an obstacle in front than reamining buzzer which is connected with arduino uno started to alarm that alert the blind pedestrian