FIELDING
Published © GPL3+

Infrared Controlled Logic Puzzle -- Lights On!

Blow the cobwebs out your ears with this fun yet challenging logic puzzle with an IR control. Try and get all the lights on!

IntermediateFull instructions provided1 hour1,101
Infrared Controlled Logic Puzzle -- Lights On!

Things used in this project

Hardware components

Arduino UNO & Genuino UNO
Arduino UNO & Genuino UNO
×1
IR receiver (generic)
×1
IR Remote - Generic
×1
LED (generic)
LED (generic)
a range of colors will work the best!
×5
Resistor 221 ohm
Resistor 221 ohm
×5

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

IR Puzzle

Ir logic puzzle   lights on bb rtiiqlyajw

Code

IR Brainteaser

C/C++
/* Arduino Project - Infrared Logic Puzzle
 * This Sketch Allows you to control the Digital Settings
 * of 5 LED's. The challenge is to turn them all on
 *
 *  See Fritzing Diagram attached in Github
 *
 * Created on December 12 2017 by FIELDING
 */
 
 #include <IRremote.h>  //Infrared Remote Library

int RECV_PIN = 11;
IRrecv irrecv(RECV_PIN);  //Setup the IR remote for initilisation
decode_results results;   // set a decode variable, called results


const int LED [] = {0, 7, 6, 5, 4, 3}; // Set LED's as Digital Pins 7 thru 3

int LED_State[] = {0, 0, 0, 0, 0, 0, 0}; // Inlcude one more than the number of LED's
// you have, first val must be zero. Sets all
// LED's to low/off

unsigned int val = 0; // A variable to store the IR reading

const int code1 = 12495;   //Set the values recieved
const int code2 = 6375;  //from the IR remote
const int code3 = 31365;  //for your chosen buttons
const int code4 = 4335;
const int code5 = 14535;
const int code6 = 41565;


void setup() {

  Serial.begin(9600); // Turn on to allow you to check your IR remote values

  irrecv.enableIRIn(); // Start the IR receiver

  for (int i = 1; i < 6; i++) { // Set all LED's as OUTPUTS
    pinMode(LED[i], OUTPUT);
  }
}

void loop() {

  if (irrecv.decode(&results)) {  //If the IR receiver gets a signal
    val = results.value;          //Save that signal as a value to 'val'
    Serial.println(val);          //To check the values from your remote


    switch (val) {
      case code1:                   //If the IR reciever picks up code1
        toggle2(1, 4);              //Toggle these LED's on/off
        break;
      case code2:                   //If the IR reciever picks up code2
        toggle2(2, 3);              //Toggle these LED's on/off
        break;
      case code3:                   //If the IR reciever picks up code3
        toggle3(3, 4, 5);              //Toggle these LED's on/off
        break;
      case code4:                   //If the IR reciever picks up code4
        toggle3(1, 4, 5);              //Toggle these LED's on/off
        break;
      case code5:                   //If the IR reciever picks up code5
        toggle3(1, 3, 4);              //Toggle these LED's on/off
        break ;
      case code6 :
        for (int i = 1; i < 6; i++) { // If Code 6 is received, all LED's are
          digitalWrite(LED[i], LOW);   // turned off
          LED_State[i] = 0;
        }
        break ;
    }
    irrecv.resume(); // Recieve the Next value
  }
}

//Create a function to toggle two LED's on/off
void toggle2(int x, int y) {    //Set x and y as two of the LED's (mix it up!)
  if (LED_State[x] == 0) {       //check to see if LED is currently on low/off
    digitalWrite(LED[x], HIGH);   // if its off, turn it on
    LED_State[x] = 1;
  } else {
    digitalWrite(LED[x], LOW);    // if its on, turn it off
    LED_State[x] = 0;
  }
  if (LED_State[y] == 0) {       //check to see if LED is currently on low/off
    digitalWrite(LED[y], HIGH);   // if its off, turn it on
    LED_State[y] = 1;
  } else {
    digitalWrite(LED[y], LOW);    // if its on, turn it off
    LED_State[y] = 0;
  }
}

//Create a function to toggle three LED's on/off
void toggle3(int x, int y, int z) {     //Set x and y as two of the LED's (mix it up!)
  if (LED_State[x] == 0) {              //check to see if LED is currently on low/off
    digitalWrite(LED[x], HIGH);         // if its off, turn it on
    LED_State[x] = 1;
  } else {
    digitalWrite(LED[x], LOW);    // if its on, turn it off
    LED_State[x] = 0;
  }
  if (LED_State[y] == 0) {       //check to see if LED is currently on low/off
    digitalWrite(LED[y], HIGH);   // if its off, turn it on
    LED_State[y] = 1;
  } else {
    digitalWrite(LED[y], LOW);    // if its on, turn it off
    LED_State[y] = 0;
  }
  if (LED_State[z] == 0) {       //check to see if LED is currently on low/off
    digitalWrite(LED[z], HIGH);   // if its off, turn it on
    LED_State[z] = 1;
  } else {
    digitalWrite(LED[z], LOW);    // if its on, turn it off
    LED_State[z] = 0;
  }
}

Credits

FIELDING

FIELDING

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Arduino Tinkerer -- Renewable Energy Data Analyst --
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