Arduino Project Servo motor
Automatic parking barrier with Arduino
Purpose of this project:
In this project we will simulate an automated parking barrier with Arduino. This model resumes the general operation of automated systems that allow access to public parks that can be found in stations, airports, cinemas, supermarkets, etc.
Our barrier opens with a servo motor when the HC-sound sensorSR04 detects a vehicle and closes automatically if not.
Necessary components
- Arduino UNO
- Two HC-SR04 sensor
- connecting wires
- a test plateun
- module LED RGB
- abarrier in the form of a pen
- Motor servo
Montage du Parking
To make the assembly, we can connect:
For first HC-SR04 sensor:
- VCC pin to 3.3V pin of Arduino
- Trig pin to pin 3 of Arduino
- ECHO pin to pin 4 ofArduino
- GND pin to GND pin of Arduino
For second HC-SR04 sensor:
- VCC pin to 3.3V pin of Arduino
- Trig pin to pin 5 of Arduino
- ECHO pin to pin 6 ofArduino
- GND pin to GND pin of Arduino
For motor servo
- red wire: wire of the power supply to be connected to the 5V pin of the Arduino
- brown wire: wire to connect to the GND pin of the Arduino
- Yellow wire: positioning signal wire connected to pin 2 of the Arduino
For Module LED RGB:
- Pin 7 of Arduino to (R) pin of red color of RGB LED module
- Pin 8 of Arduino to (G) pin of green color of RGB LED module
- GND Pin of Arduino to GND pin of RGB LED module
Program
Here is the program for the automated parking system:
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#include <HCSR04.h> #include <Servo.h> Servo monServomoteur; const int servoPin=2; const int trig1Pin = 3; const int echo1Pin = 4; const int trig2Pin = 5; const int echo2Pin = 6; const int LEDrouge=7; const int LEDvert=8; int position = 180; UltraSonicDistanceSensor distanceSensor1(trig1Pin, echo1Pin); UltraSonicDistanceSensor distanceSensor2(trig2Pin, echo2Pin); void setup(){ monServomoteur.attach(servoPin); pinMode(LEDrouge,OUTPUT); pinMode(LEDvert,OUTPUT); } void loop(){ if(((((distanceSensor1.measureDistanceCm()+1)<6)&&(distanceSensor1.measureDistanceCm()+1)>0))||((distanceSensor2.measureDistanceCm()+1<6)&&(distanceSensor2.measureDistanceCm()+1)>0)) {// If one of the two HC-SR04 sensors detects a vehicle monServomoteur.write(90); // the barrier open digitalWrite(LEDrouge,LOW); digitalWrite(LEDvert,HIGH); // The LED lights up in green delay(5000); }else { monServomoteur.write(180); digitalWrite(LEDrouge,HIGH); // The LED lights up in red digitalWrite(LEDvert,LOW); // the barrier closes } delay(100); } |
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