Arduino HC-SR04 Ultrasonic Rover

Simple Arduno Rover with HC-SR04 Ultrasonic sensor.

Step 1:

Arduino HC-SR04 Ultrasonic Rover
Arduino HC-SR04 Ultrasonic Rover
Arduino HC-SR04 Ultrasonic Rover

YOU will need to build this:

HC-SR04 Ultrasonic sensor

Battery holder for 6 AA batteries

6 AA batteries

Arduino UNO (I use UNO R2)
Motor Shield for Arduino (L293)

9g Servo

2 gear motors with wheels

CD box

4 male-to-male cables

4 female-to-female cables

few cable ties

I buy all components for this rover on ebay.

First you will need 2pcs Plastic Tire Wheel + DC 6V Gear Motor 48:1.

I solder 2 male-to-male cables and 104 capacitors.

I used slim CD box as a chassis, I made 2 holes on each side of CD box and then fixed gear motors with cable tie.

Step 2:

Arduino HC-SR04 Ultrasonic Rover
Arduino HC-SR04 Ultrasonic Rover
Arduino HC-SR04 Ultrasonic Rover
Arduino HC-SR04 Ultrasonic Rover

You can see all the components you need on this photo.

  • HC-SR04 Ultrasonic sensor
  • Battery holder for 6 AA batteries
  • 6 AA batteries
  • Arduino UNO (I use UNO R2)
  • Motor Shield for Arduino (L293)

  • 9g Servo
  • 2 gear motors with wheels on CD box chassis.
  • 4 male-to-male cables
  • 4 female-to-female cables
  • few cable ties

    Step 3:

    Arduino HC-SR04 Ultrasonic Rover
    Arduino HC-SR04 Ultrasonic Rover
    Arduino HC-SR04 Ultrasonic Rover

    —onnection scheme is very easy.

  • Connect 9g servo to SERVO_2 pins on motorshield
  • Left motor to M4
  • Right motor to M1
  • Echo - pin A4
  • Trig - pin A5
  • Vcc - pin +5 ; Gnd - Gnd

    I fix servo on battery box with cable tie

    Step 4:

    Arduino HC-SR04 Ultrasonic Rover
    Arduino HC-SR04 Ultrasonic Rover
    Arduino HC-SR04 Ultrasonic Rover

    Final result and video.


    Faster version without servo http://youtu.be/hBHpOV5TOY8

    Step 5:

    Put AFMotor.h and AFMotor.cpp to folder AFMotor in libraries folder Aduino.

    Arduino HC-SR04 Ultrasonic Rover
    AFMotor.cpp18 KB
    Arduino HC-SR04 Ultrasonic Rover
    AFMotor.h5 KB
    Arduino HC-SR04 Ultrasonic Rover
    ROBOT.rtf40 KB
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