Wiring: Connect the ultrasonic sensor's trigger and echo pins to the Arduino. Connect the LCD display to the Arduino via I2C. Connect the buzzer and LEDs to the specified digital pins on the Arduino.

Smart Blind Stick using Arduino Circuit Diagram The below circuit diagram shows the complete hardware wiring setup of the Arduino-based Smart Walking Stick for the Blind people, detailing how the ...

ultrasonic-buzzer-alert Ultrasonic Sensor Buzzer Alert This is an Arduino-based distance detection system using an HC-SR04 ultrasonic sensor. When an object comes within 100 cm, the system activates a ...