Ultrasonic Sensor (HC-SR04): Measures the distance to objects in front of the car. Relay : Controls the power supply to the motors, acting as a switch. DC Motors: Provide the driving force for the car ...

Connect the GND pin of the Arduino to the GND pin of the motor driver module. Arduino Code for Human Following Robot . Here is the simple Arduino and 3 Ultrasonic sensor based Human-following robot ...

If you are completely new to servo motors and Arduino, you can read our article on how to use servo motor with Arduino. Next, we have mentioned to which pins our ultrasonic sensor and servo motor is ...

parts: arduino board 16 jumper wires resistor diode piezo rgb led (4 pin) DC motor ultrasonic sensor (3 pin) The following code within the loop : Detection from 0 inches to >=15 inches. state : 0 -3 ...

2. Arduino Uno. 3. L298N motor driver board module. 4. USB cable A to B. 5. Jumper wires pack — M/M. 6. Jumper wires pack — M/F. The schematic diagram shown in Figure 2 illustrates how L298 H-bridge ...

This paper represents an experimental comparison of controlling the speed of the DC motor using voice commands and ultrasonic sensor-based control. The aim of the experiment was to compare the ...

It has two enable inputs that allow the device to operate independently. Two motors can be connected and operated at the same time. The speed of the motors is varied through the PWM pins. L298N Motor ...

Ultrasonic Sensor. A Servo Motor is a rotatory or a linear actuator which can be controlled and moved in exact increment. These motors are different from DC motors. These motors allow the precise ...