Also check: Arduino Ultrasonic Sensor Interfacing . How HC-SR04 module actually works: Before we proceed any further let us understand how the HC-SR04 sensor works. The below timing Diagram will help ...

1 Arduino Ultrasonic Sensor (HC-SR04) 1 buzzer; Ultrasonic sensor, mounting circuit; It is a very simple circuit. On the one hand, we will have all the alerts, acoustic and visual, and on the other ...

The set-up process is very simple, and best understood by referring the wiring diagram. If everything goes right,you should see the burning eye of the red LED when there is no object in the safe-zone ...

This Arduino-based distance meter can be used for measuring the distance between the sensor and object in the range of 2cm to 400cm using an ultrasonic sensor.The author’s prototype and ultrasonic ...

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 ...

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 ...

Arduino Uno is a microcontroller board that is used to perform various tasks in different circuits. It needs a Code in C language to operate. We are using the Arduino Uno board in this project but you ...