Arduino Motor Radar

This is a radar made with Arduino, this Radar allows users to detect objects.

The materials needed:

Arduino Board

Servo motor

HC-SR04 Ultrasonic sensor

Breadboard

Jumper wires

Have the sensor and the motor ready, then glue the lego stand on the motor. Stick the sensor to the lego pieces.

Connect all the jumper wires on the Arduino board.

(Changed)

Arduino Code:

#includeconst int TriggerPin = 8;
const int EchoPin = 9;

const int motorSignalPin = 10;

const int startingAngle = 90;

const int minimumAngle = 10;

const int maximumAngle = 140;

const int rotationSpeed = 3;

Servo motor;

void setup(void) { pinMode(TriggerPin, OUTPUT);

pinMode(EchoPin, INPUT);

motor.attach(motorSignalPin);

Serial.begin(9600);

} void loop(void) { static int motorAngle = startingAngle; static int motorRotateAmount = rotationSpeed;

motor.write(motorAngle);

delay(10);

SerialOutput(motorAngle, CalculateDistance());

motorAngle += motorRotateAmount;

if(motorAngle <= minimumAngle || motorAngle >= maximumAngle) { motorRotateAmount = -motorRotateAmount;

}} int CalculateDistance(void) { digitalWrite(TriggerPin, HIGH);

delayMicroseconds(10); digitalWrite(TriggerPin, LOW); long duration = pulseIn(EchoPin, HIGH); float distance = duration * 0.017F; return int(distance);

} void SerialOutput(const int angle, const int distance) { String angleString = String(angle); String distanceString = String(distance); Serial.println(angleString + "," + distanceString);

}

Thanks to JohnM1579 for the awesome idea

Link: https://www.instructables.com/Arduino-Radar-1/#di...

Arduino Instructables