1.Ultrasonic sensor: Responsible for detecting obstacles in the user's path.
2.Buzzer: Buzzing sound when the distance is below the threshold.
3.SOS button: Allows users to trigger emergency alerts.
4.ESP8266 microcontroller: Facilitates data processing and communication with cloud platforms.
5.Blynk cloud: Enables the transmission of SOS alerts to caregivers or authorities.
6.ThingSpeak platform: Provides a cloudbased solution for realtime monitoring and analysis of ultrasonic sensor data.
7.Android smartphone: Utilized for realtime tracking and communication features through the developed application.