Raise the Volume with Remote Controller

Use a remote controller to adjust the volume of the radio.

May 20, 2019

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1 respects

audio

remote controller

vallauri

Devices & Components

Arduino Uno Rev3

Infrared Receiver, Remote Control

Breadboard (generic)

Jumper wires (generic)

RGB LCD Shield Kit, 16x2 Character Display

SG90 Micro-servo motor

Resistor 1k ohm

Software & Tools

Arduino IDE

Project description

Code

arduino

The libraries are in arduino except the <Irremote.h>, you need to download it for use on arduino.

1#include <IRremote.h>
2#include <Servo.h>
3#include <LiquidCrystal.h>
4
5
6Servo   myservo;
7LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
8int receiver = 10;
9IRrecv   irrecv(receiver);
10decode_results results;
11int code=0;
12int x;
13int cont=0;
14int   volume=0;
15int y=0;
16
17void setup()
18{
19  Serial.begin(9600); 
20  irrecv.enableIRIn();
21   myservo.attach(11); 
22  lcd.begin(16, 2); 
23  lcd.clear();
24}
25void loop()
26{
27   if (irrecv.decode(&results))
28  {
29    code=results.value;
30    Serial.println(code,   HEX);
31    irrecv.resume();
32    switch(code)
33    { 
34      case(0xFFFFA857):
35       cont=1;
36      x=x+3;
37      break;
38      case(0xFFFFE01F):
39      cont=0;
40       x=x-3;
41      break;
42      case(0xFFFFFFFF):
43      if(cont==1)x=x+4;
44       if(cont==0)x=x-4;
45      break; 
46      default;
47      cont=2;
48       break;
49
50    }
51    x=constrain(x,3,180);
52    Serial.println(x);
53     myservo.write(x);
54    volume=map(x,3,180,0,100);
55  }
56  lcd.setCursor(8,   0);
57  lcd.print("VOLUME:");
58  lcd.setCursor(4, 1);
59  lcd.print("%");
60   lcd.setCursor(0, 1);
61  lcd.print(volume);
62  if(volume>80)
63  {
64    lcd.setCursor(7,   1);
65    lcd.print("too high!");
66  }
67  delay(50);
68  lcd.clear();
69}
70

#include <IRremote.h>
#include <Servo.h>
#include <LiquidCrystal.h>


Servo   myservo;
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
int receiver = 10;
IRrecv   irrecv(receiver);
decode_results results;
int code=0;
int x;
int cont=0;
int   volume=0;
int y=0;

void setup()
{
  Serial.begin(9600); 
  irrecv.enableIRIn();
   myservo.attach(11); 
  lcd.begin(16, 2); 
  lcd.clear();
}
void loop()
{
   if (irrecv.decode(&results))
  {
    code=results.value;
    Serial.println(code,   HEX);
    irrecv.resume();
    switch(code)
    { 
      case(0xFFFFA857):
       cont=1;
      x=x+3;
      break;
      case(0xFFFFE01F):
      cont=0;
       x=x-3;
      break;
      case(0xFFFFFFFF):
      if(cont==1)x=x+4;
       if(cont==0)x=x-4;
      break; 
      default;
      cont=2;
       break;

    }
    x=constrain(x,3,180);
    Serial.println(x);
     myservo.write(x);
    volume=map(x,3,180,0,100);
  }
  lcd.setCursor(8,   0);
  lcd.print("VOLUME:");
  lcd.setCursor(4, 1);
  lcd.print("%");
   lcd.setCursor(0, 1);
  lcd.print(volume);
  if(volume>80)
  {
    lcd.setCursor(7,   1);
    lcd.print("too high!");
  }
  delay(50);
  lcd.clear();
}

Code

arduino

The libraries are in arduino except the <Irremote.h>, you need to download it for use on arduino.

1#include <IRremote.h>
2#include <Servo.h>
3#include <LiquidCrystal.h>
4
5
6Servo  myservo;
7LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
8int receiver = 10;
9IRrecv  irrecv(receiver);
10decode_results results;
11int code=0;
12int x;
13int cont=0;
14int  volume=0;
15int y=0;
16
17void setup()
18{
19  Serial.begin(9600); 
20  irrecv.enableIRIn();
21  myservo.attach(11); 
22  lcd.begin(16, 2); 
23  lcd.clear();
24}
25void loop()
26{
27  if (irrecv.decode(&results))
28  {
29    code=results.value;
30    Serial.println(code,  HEX);
31    irrecv.resume();
32    switch(code)
33    { 
34      case(0xFFFFA857):
35      cont=1;
36      x=x+3;
37      break;
38      case(0xFFFFE01F):
39      cont=0;
40      x=x-3;
41      break;
42      case(0xFFFFFFFF):
43      if(cont==1)x=x+4;
44      if(cont==0)x=x-4;
45      break; 
46      default;
47      cont=2;
48      break;
49
50    }
51    x=constrain(x,3,180);
52    Serial.println(x);
53    myservo.write(x);
54    volume=map(x,3,180,0,100);
55  }
56  lcd.setCursor(8,  0);
57  lcd.print("VOLUME:");
58  lcd.setCursor(4, 1);
59  lcd.print("%");
60  lcd.setCursor(0, 1);
61  lcd.print(volume);
62  if(volume>80)
63  {
64    lcd.setCursor(7,  1);
65    lcd.print("too high!");
66  }
67  delay(50);
68  lcd.clear();
69}
70

#include <IRremote.h>
#include <Servo.h>
#include <LiquidCrystal.h>


Servo  myservo;
LiquidCrystal lcd(2, 3, 4, 5, 6, 7);
int receiver = 10;
IRrecv  irrecv(receiver);
decode_results results;
int code=0;
int x;
int cont=0;
int  volume=0;
int y=0;

void setup()
{
  Serial.begin(9600); 
  irrecv.enableIRIn();
  myservo.attach(11); 
  lcd.begin(16, 2); 
  lcd.clear();
}
void loop()
{
  if (irrecv.decode(&results))
  {
    code=results.value;
    Serial.println(code,  HEX);
    irrecv.resume();
    switch(code)
    { 
      case(0xFFFFA857):
      cont=1;
      x=x+3;
      break;
      case(0xFFFFE01F):
      cont=0;
      x=x-3;
      break;
      case(0xFFFFFFFF):
      if(cont==1)x=x+4;
      if(cont==0)x=x-4;
      break; 
      default;
      cont=2;
      break;

    }
    x=constrain(x,3,180);
    Serial.println(x);
    myservo.write(x);
    volume=map(x,3,180,0,100);
  }
  lcd.setCursor(8,  0);
  lcd.print("VOLUME:");
  lcd.setCursor(4, 1);
  lcd.print("%");
  lcd.setCursor(0, 1);
  lcd.print(volume);
  if(volume>80)
  {
    lcd.setCursor(7,  1);
    lcd.print("too high!");
  }
  delay(50);
  lcd.clear();
}

Downloadable files

Circuit

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Gabriele00111

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