Arduino Projects
Automatic grass cutting machine using arduino
automatic grass cutting machine using arduino
Introduction
- In this Article, making an automatic lawn mower is a smart and efficient way to maintain your lawn with minimal human intervention. In this project, we use an Arduino to control the movement of the grass cutter.
- Equipped with sensors, the mower navigates the lawn, avoiding obstacles while cutting grass to a desired height.
Bill Of Material
S.N | Component | Quantity |
1 | Arduino UNO | 1 |
2 | L293D Motor Driver Shield | 1 |
3 | SG-90 Servo Motor | 1 |
4 | Ultersonic Sensor | 1 |
5 | Bo Motor with Cutting Blade | 1 |
Component
Arduino UNO
L293D Motor Driver Shield
Ultrasonic Sensor
DC Gear Motor
BO Motor & Blade
Circuit Diagram
Code
Before you upload the code just upload a few lib
AFMotor
NewPing
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//Prateek //https://justdoelectronics.com //https://www.youtube.com/c/JustDoElectronics/videos #include <AFMotor.h> #include <NewPing.h> #include <Servo.h> #define TRIG_PIN A0 #define ECHO_PIN A1 #define MAX_DISTANCE 200 #define MAX_SPEED 190 #define MAX_SPEED_OFFSET 20 NewPing sonar(TRIG_PIN, ECHO_PIN, MAX_DISTANCE); AF_DCMotor motor1(1, MOTOR12_1KHZ); AF_DCMotor motor2(2, MOTOR12_1KHZ); AF_DCMotor motor3(3, MOTOR34_1KHZ); AF_DCMotor motor4(4, MOTOR34_1KHZ); Servo myservo; boolean goesForward = false; int distance = 100; int speedSet = 0; void setup() { myservo.attach(10); myservo.write(115); delay(2000); distance = readPing(); delay(100); distance = readPing(); delay(100); distance = readPing(); delay(100); distance = readPing(); delay(100); } void loop() { int distanceR = 0; int distanceL = 0; delay(40); if (distance <= 15) { moveStop(); delay(100); moveBackward(); delay(300); moveStop(); delay(200); distanceR = lookRight(); delay(200); distanceL = lookLeft(); delay(200); if (distanceR >= distanceL) { turnRight(); moveStop(); } else { turnLeft(); moveStop(); } } else { moveForward(); } distance = readPing(); } int lookRight() { myservo.write(50); delay(500); int distance = readPing(); delay(100); myservo.write(115); return distance; } int lookLeft() { myservo.write(170); delay(500); int distance = readPing(); delay(100); myservo.write(115); return distance; delay(100); } int readPing() { delay(70); int cm = sonar.ping_cm(); if (cm == 0) { cm = 250; } return cm; } void moveStop() { motor1.run(RELEASE); motor2.run(RELEASE); motor3.run(RELEASE); motor4.run(RELEASE); } void moveForward() { if (!goesForward) { goesForward = true; motor1.run(FORWARD); motor2.run(FORWARD); motor3.run(FORWARD); motor4.run(FORWARD); for (speedSet = 0; speedSet < MAX_SPEED; speedSet += 2) { motor1.setSpeed(speedSet); motor2.setSpeed(speedSet); motor3.setSpeed(speedSet); motor4.setSpeed(speedSet); delay(5); } } } void moveBackward() { goesForward = false; motor1.run(BACKWARD); motor2.run(BACKWARD); motor3.run(BACKWARD); motor4.run(BACKWARD); for (speedSet = 0; speedSet < MAX_SPEED; speedSet += 2) { motor1.setSpeed(speedSet); motor2.setSpeed(speedSet); motor3.setSpeed(speedSet); motor4.setSpeed(speedSet); delay(5); } } void turnRight() { motor1.run(FORWARD); motor2.run(FORWARD); motor3.run(BACKWARD); motor4.run(BACKWARD); delay(500); motor1.run(FORWARD); motor2.run(FORWARD); motor3.run(FORWARD); motor4.run(FORWARD); } void turnLeft() { motor1.run(BACKWARD); motor2.run(BACKWARD); motor3.run(FORWARD); motor4.run(FORWARD); delay(500); motor1.run(FORWARD); motor2.run(FORWARD); motor3.run(FORWARD); motor4.run(FORWARD); } |
