This project is basically made to help blind. It is a spectacles which uses ultrasonic sensor and help them to avoid obstacle . this device senses an object then gives a beep through speaker which help them in getting alert.
Step 1: Materials
● Arduino nano
● Jumper wires
Step 2: Circuit Diagram
do connections as per circuit diagram
Step 3: Code
the following pitches.h needs to be included in the code