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Automatic Lawn Mower Grass Cutter | Make a Grass Cutter - grass cutter Tractor | Arduino Project
Just Do Electronics
January 16, 2020
Make a Grass Cutter - grass cutter Tractor
Photos
Circuit Diagram
Code
//prateek //www.prateeks.in #include
#include
#include
#define TRIG_PIN A0 #define ECHO_PIN A1 #define MAX_DISTANCE 200 #define MAX_SPEED 190 // sets speed of DC motors #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) // slowly bring the speed up to avoid loading down the batteries too quickly { 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) // slowly bring the speed up to avoid loading down the batteries too quickly { 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); }
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