Arduino UNO board ×1. Ultrasonic sensor ×3. L298N motor driver ×1. Robot chassis. BO motors ×2. Wheels ×2. Li-ion battery 3.7V ×2. Battery holder ×1. Breadboard. Ultrasonic sensor holder ×3. Switch ...

Ultrasonic Sensor Measurement: The HC-SR04 ultrasonic sensor measures the distance to an object by emitting a sound wave and measuring the time it takes for the echo to return. The sensor is connected ...

Wiring Diagram. Arduino Code /* Created by ArduinoGetStarted.com; ... // Arduino pin connected to Ultrasonic Sensor's ECHO pin const int LED_PIN = 3; // Arduino pin connected to LED's pin const int ...

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 ...