Control RGB LED using Bluetooth

This project helps you with the connections of controlling RGB LED with Bluetooth module and Arduino Uno.

Apr 16, 2017

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43471 views

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14 respects

led

rgb

Components and supplies

Jumper wires (generic)

HC-05 Bluetooth Module

Arduino UNO

rgb led

Apps and platforms

color led controller

Project description

Code

untitled

c_cpp

1#include <SoftwareSerial.h>
2SoftwareSerial BLU(0,1);
3#define redPin  6
4#define greenPin 3
5#define bluePin 5
6void setup()
7{
8  //Serial  setup
9  Serial.begin(9600);
10  Serial.println("-= HC-05 Bluetooth RGB LED  =-");
11  BLU.begin(9600);
12  BLU.println("-= HC-05 Bluetooth RGB LED =-");
13  
14  pinMode(4, OUTPUT);
15  pinMode(redPin, OUTPUT);
16  pinMode(greenPin, OUTPUT);
17  pinMode(bluePin, OUTPUT);
18  digitalWrite(4,HIGH);
19  setColor(255, 0, 0);
20  delay(500);
21  setColor(0, 255, 0);
22  delay(500);
23  setColor(0, 0, 255);
24  delay(500);
25  setColor(255, 255, 255);
26}
27void loop()
28{
29  while  (BLU.available() > 0)
30  {
31    int redInt = BLU.parseInt();
32    int greenInt  = BLU.parseInt();
33    int blueInt = BLU.parseInt();
34    redInt = constrain(redInt,  0, 255);
35    greenInt = constrain(greenInt, 0, 255);
36    blueInt = constrain(blueInt,  0, 255);
37    if (BLU.available() > 0)
38    {
39      setColor(redInt, greenInt,  blueInt);
40      Serial.print("Red: ");
41      Serial.print(redInt);
42      Serial.print("  Green: ");
43      Serial.print(greenInt);
44      Serial.print(" Blue: ");
45      Serial.print(blueInt);
46      Serial.println();
47      BLU.flush();
48    }
49  }
50}
51void setColor(int red, int green, int blue)
52{
53  analogWrite(redPin,  red);
54  analogWrite(greenPin, green);
55  analogWrite(bluePin, blue);
56}
57

#include <SoftwareSerial.h>
SoftwareSerial BLU(0,1);
#define redPin  6
#define greenPin 3
#define bluePin 5
void setup()
{
  //Serial  setup
  Serial.begin(9600);
  Serial.println("-= HC-05 Bluetooth RGB LED  =-");
  BLU.begin(9600);
  BLU.println("-= HC-05 Bluetooth RGB LED =-");
  
  pinMode(4, OUTPUT);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);
  pinMode(bluePin, OUTPUT);
  digitalWrite(4,HIGH);
  setColor(255, 0, 0);
  delay(500);
  setColor(0, 255, 0);
  delay(500);
  setColor(0, 0, 255);
  delay(500);
  setColor(255, 255, 255);
}
void loop()
{
  while  (BLU.available() > 0)
  {
    int redInt = BLU.parseInt();
    int greenInt  = BLU.parseInt();
    int blueInt = BLU.parseInt();
    redInt = constrain(redInt,  0, 255);
    greenInt = constrain(greenInt, 0, 255);
    blueInt = constrain(blueInt,  0, 255);
    if (BLU.available() > 0)
    {
      setColor(redInt, greenInt,  blueInt);
      Serial.print("Red: ");
      Serial.print(redInt);
      Serial.print("  Green: ");
      Serial.print(greenInt);
      Serial.print(" Blue: ");
      Serial.print(blueInt);
      Serial.println();
      BLU.flush();
    }
  }
}
void setColor(int red, int green, int blue)
{
  analogWrite(redPin,  red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
}

untitled

c_cpp

1#include <SoftwareSerial.h>
2SoftwareSerial BLU(0,1);
3#define redPin
4  6
5#define greenPin 3
6#define bluePin 5
7void setup()
8{
9  //Serial
10  setup
11  Serial.begin(9600);
12  Serial.println("-= HC-05 Bluetooth RGB LED
13  =-");
14  BLU.begin(9600);
15  BLU.println("-= HC-05 Bluetooth RGB LED =-");
16
17  
18  pinMode(4, OUTPUT);
19  pinMode(redPin, OUTPUT);
20  pinMode(greenPin, OUTPUT);
21
22  pinMode(bluePin, OUTPUT);
23  digitalWrite(4,HIGH);
24  setColor(255, 0, 0);
25
26  delay(500);
27  setColor(0, 255, 0);
28  delay(500);
29  setColor(0, 0, 255);
30
31  delay(500);
32  setColor(255, 255, 255);
33}
34void loop()
35{
36  while
37  (BLU.available() > 0)
38  {
39    int redInt = BLU.parseInt();
40    int greenInt
41  = BLU.parseInt();
42    int blueInt = BLU.parseInt();
43    redInt = constrain(redInt,
44  0, 255);
45    greenInt = constrain(greenInt, 0, 255);
46    blueInt = constrain(blueInt,
47  0, 255);
48    if (BLU.available() > 0)
49    {
50      setColor(redInt, greenInt,
51  blueInt);
52      Serial.print("Red: ");
53      Serial.print(redInt);
54      Serial.print("
55  Green: ");
56      Serial.print(greenInt);
57      Serial.print(" Blue: ");
58
59      Serial.print(blueInt);
60      Serial.println();
61      BLU.flush();
62
63    }
64  }
65}
66void setColor(int red, int green, int blue)
67{
68  analogWrite(redPin,
69  red);
70  analogWrite(greenPin, green);
71  analogWrite(bluePin, blue);
72}
73

#include <SoftwareSerial.h>
SoftwareSerial BLU(0,1);
#define redPin
  6
#define greenPin 3
#define bluePin 5
void setup()
{
  //Serial
  setup
  Serial.begin(9600);
  Serial.println("-= HC-05 Bluetooth RGB LED
  =-");
  BLU.begin(9600);
  BLU.println("-= HC-05 Bluetooth RGB LED =-");

  
  pinMode(4, OUTPUT);
  pinMode(redPin, OUTPUT);
  pinMode(greenPin, OUTPUT);

  pinMode(bluePin, OUTPUT);
  digitalWrite(4,HIGH);
  setColor(255, 0, 0);

  delay(500);
  setColor(0, 255, 0);
  delay(500);
  setColor(0, 0, 255);

  delay(500);
  setColor(255, 255, 255);
}
void loop()
{
  while
  (BLU.available() > 0)
  {
    int redInt = BLU.parseInt();
    int greenInt
  = BLU.parseInt();
    int blueInt = BLU.parseInt();
    redInt = constrain(redInt,
  0, 255);
    greenInt = constrain(greenInt, 0, 255);
    blueInt = constrain(blueInt,
  0, 255);
    if (BLU.available() > 0)
    {
      setColor(redInt, greenInt,
  blueInt);
      Serial.print("Red: ");
      Serial.print(redInt);
      Serial.print("
  Green: ");
      Serial.print(greenInt);
      Serial.print(" Blue: ");

      Serial.print(blueInt);
      Serial.println();
      BLU.flush();

    }
  }
}
void setColor(int red, int green, int blue)
{
  analogWrite(redPin,
  red);
  analogWrite(greenPin, green);
  analogWrite(bluePin, blue);
}

Comments

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Anonymous user

2 years ago

Hi kamatalaashish, I uploaded the code for my arduino UNO and i conected the board with the HC-05. But when i try to use the bluetooth i cant see it with my phone or pc. Can you help me what can the problem be? Thanks for help.

Anonymous user

5 years ago

i can use this rgb led using tutorial. https://ahududu.org/threads/arduino-bluetooth-mod%C3%BCl%C3%BC-kullan%C4%B1m%C4%B1-ve-rgb-led-kontrol-etme-y%C3%B6ntemi.431/ can i use this?

Bjoro

6 years ago

kamatalaashish

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2 Projects

Intro

Components and supplies

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Project description

Code