How to make IR Robot using Arduino Easy way | Arduino Tutorial

IR ROBOT 
In this tutorial we will learn how to control robot car with using TV or IR remote. Also we will use L298N H-bridge motor drive and Infrared Remote (IR) receiver. Required Hardware: Arduino Board (Nano) - https://goo.gl/9ZDDyw​ Robot Car Chassis - https://goo.gl/WMXVTi​ IR Receiver Kit - https://goo.gl/PwBgFm​ Only IR Receiver - https://goo.gl/hWqnJ7​ L298N H-bridge - https://goo.gl/Ucvx6J​ Mini Breadboard - https://goo.gl/08nnr1​ Jump Wires - https://goo.gl/n5ljN3​ 9V Battery - https://goo.gl/Blc0BP​ Battery Plug - https://goo.gl/iAEgPl​ 5V Battery

IR library and tutorial: Infrared (IR) controls are often used in most electronic devices. The 38 kHz infrared receiver we use in the project demodulates the signal it receives and sends the button code to the Arduino. We can use with this receiver as long as different brand and model remote controls have 38 kHz carrier signal. The receiver has 3 pins. These are GND - VCC - Signal respectively.

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Code of this project

#include <IRremote.h> #define irPin 6 char command; IRrecv irrecv(irPin); decode_results rslts; void inits() { pinMode(10,OUTPUT); pinMode(11,OUTPUT); pinMode(12,OUTPUT); pinMode(10,OUTPUT); pinMode(9,OUTPUT); pinMode(3,OUTPUT); } void setup() { inits(); Serial.begin(9600); irrecv.enableIRIn(); } void loop() { if (irrecv.decode(&rslts)) { Serial.println(rslts.value); switch (rslts.value) { case 16712445: // FORDWARD Button Forward(); break; case 16769055: // LEFT Button 16750695 Left(); break; case 16748655: // RIGHT Button Right(); break; case 16750695: // BACK Button 16769055 Back(); break; case 16754775: // STOP Button Stop(); break; } irrecv.resume(); } } void Back() { digitalWrite(3, HIGH); digitalWrite(9, HIGH); digitalWrite(12, HIGH); digitalWrite(13, LOW); digitalWrite(10, HIGH); digitalWrite(11, LOW); } void Forward() { digitalWrite(3, HIGH); digitalWrite(9, HIGH); digitalWrite(11, HIGH); digitalWrite(13, HIGH); digitalWrite(10, LOW); digitalWrite(12, LOW); } void Left() { digitalWrite(9, HIGH); digitalWrite(11, HIGH); digitalWrite(13, LOW); for(int i=100;i<=300;i=i+100) { delay(i); } } void Right() { digitalWrite(3, HIGH); digitalWrite(13, HIGH); digitalWrite(11, LOW); for(int j=100;j<=300;j=j+100) { delay(j); } } void Stop() { digitalWrite(3, LOW); digitalWrite(9, LOW); digitalWrite(10, LOW); digitalWrite(11, LOW); digitalWrite(12, LOW); digitalWrite(13, LOW); }

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