{"id":5237,"date":"2018-10-13T13:02:21","date_gmt":"2018-10-13T10:02:21","guid":{"rendered":"http:\/\/roboromania.ro\/?p=5237"},"modified":"2018-10-13T13:02:21","modified_gmt":"2018-10-13T10:02:21","slug":"robot-2wd-roboromania-autonom-cu-radar-ocolire-obstacole","status":"publish","type":"post","link":"https:\/\/roboromania.ro\/?p=5237","title":{"rendered":"Robot 2WD Roboromania autonom cu radar ocolire obstacole"},"content":{"rendered":"

Robot 2WD Roboromania autonom cu radar<\/span> ocolire obstacole<\/span><\/strong><\/h4>\n

\"robot\"<\/a><\/p>\n

Unul dintre cele mai simple coduri pentru Robot 2WD autonom cu radar ocolire obstacole.<\/p>\n

Avem nevoie de :
\no plac\u0103 de dezvoltare tip Arduino UNO (oricare)
\nun modul driver motoare L298N
\nun senzor cu ultrasunete
\n\u0219asiu cu 2 motoare 2WD
\nservomotor
\ncabluri Dupont<\/p>\n

\"robot-2wd-roboromania\"<\/a><\/p>\n

Cel mai simplu cod :<\/p>\n

\/\/––––––––––––––<\/p>\n

\/\/ roboromania.ro Arduino Object Avoiding Robot with Ultrasonic Sensor
\n#include <Servo.h>
\n#include „Ultrasonic.h”<\/p>\n

const int buzzer = 8;
\nconst int motorA1= 2;
\nconst int motorA2= 6;
\nconst int enableA = 3;
\nconst int motorB1= 10;
\nconst int motorB2= 9;
\nconst int enableB = 5;<\/p>\n

Ultrasonic ultrasonic(A2 ,A3); \/\/(trig pin,echo pin)
\nServo myservo;<\/p>\n

int distance;
\nint checkRight;
\nint checkLeft;
\nint pos=100;
\nint speedPWM = 150; \/\/Change speed (PWM max 255)<\/p>\n

void setup()
\n{
\nmyservo.attach(7); \/\/Servo pin connected to pin 7
\nmyservo.write(pos);
\npinMode(buzzer, OUTPUT);
\npinMode(motorA1,OUTPUT);
\npinMode(motorA2,OUTPUT);
\npinMode(motorB1,OUTPUT);
\npinMode(motorB2,OUTPUT);
\npinMode(enableA, OUTPUT);
\npinMode(enableB, OUTPUT);
\ndelay(1000);
\n}<\/p>\n

void loop(){
\nanalogWrite(enableA, speedPWM);
\nanalogWrite(enableB, speedPWM+50);
\n\/\/Read distance…
\ndistance = ultrasonic.Ranging(CM); \/\/ CM= centimeters INC= inches
\ndelay(20);
\n\/\/Check for objects…
\nif (distance > 15){
\nforward(); \/\/All clear, move forward!
\nnoTone(buzzer);
\n}
\nelse if (distance <=15){
\nstop(); \/\/Object detected! Stop the robot and check left and right for the better way out!
\ntone(buzzer,500); \/\/ play a tone
\n\/\/Start scanning…
\nfor(pos = 30; pos < 170; pos += 1){
\nmyservo.write(pos);
\ndelay(10);
\n}<\/p>\n

checkLeft = ultrasonic.Ranging(CM);<\/p>\n

for(pos = 170; pos>=30; pos-=1){
\nmyservo.write(pos);
\ndelay(10);
\n}<\/p>\n

checkRight= ultrasonic.Ranging(CM);<\/p>\n

myservo.write(100); \/\/ Sensor „look” forward again<\/p>\n

\/\/ decision turn left or right?
\nif (checkLeft < checkRight){
\nleft();
\ndelay(500);
\n}
\nelse if (checkLeft > checkRight){
\nright();
\ndelay(500);
\n}
\nelse if (checkLeft <=10 && checkRight <=10){
\nbackward();
\nleft();
\n}
\n}
\ndelay(150);
\n}
\nvoid forward(){
\ndigitalWrite(motorA1, HIGH);
\ndigitalWrite(motorA2, LOW);
\ndigitalWrite(motorB1, HIGH);
\ndigitalWrite(motorB2, LOW);
\n}<\/p>\n

void backward(){
\ndigitalWrite(motorA1, LOW);
\ndigitalWrite(motorA2, HIGH);
\ndigitalWrite(motorB1, LOW);
\ndigitalWrite(motorB2, HIGH);
\n}<\/p>\n

void left(){
\ndigitalWrite(motorA1, HIGH);
\ndigitalWrite(motorA2, LOW);
\ndigitalWrite(motorB1, LOW);
\ndigitalWrite(motorB2, HIGH);
\n}<\/p>\n

void right(){
\ndigitalWrite(motorA1, LOW);
\ndigitalWrite(motorA2, HIGH);
\ndigitalWrite(motorB1, HIGH);
\ndigitalWrite(motorB2, LOW);
\n}<\/p>\n

void stop(){
\ndigitalWrite(motorA1, LOW);
\ndigitalWrite(motorA2, LOW);
\ndigitalWrite(motorB1, LOW);
\ndigitalWrite(motorB2, LOW);
\n}<\/p>\n

\/\/––––––––––––––<\/p>\n

Aten\u021bie la declararea pinilor. Dac\u0103 copia\u021bi codul aten\u021bie la fonturi.<\/p>\n

Succes !<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Robot 2WD Roboromania autonom cu radar ocolire obstacole Unul dintre cele mai simple coduri pentru Robot 2WD autonom cu radar ocolire obstacole. Avem nevoie de : o plac\u0103 de dezvoltare tip Arduino UNO (oricare) un modul driver motoare L298N un senzor cu ultrasunete \u0219asiu cu 2 motoare 2WD servomotor cabluri Dupont Cel mai simplu cod […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[176],"tags":[],"class_list":["post-5237","post","type-post","status-publish","format-standard","hentry","category-tutoriale-arduino"],"_links":{"self":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/5237","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5237"}],"version-history":[{"count":1,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/5237\/revisions"}],"predecessor-version":[{"id":5239,"href":"https:\/\/roboromania.ro\/index.php?rest_route=\/wp\/v2\/posts\/5237\/revisions\/5239"}],"wp:attachment":[{"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5237"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5237"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/roboromania.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5237"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}