RGB led control using bluetooth module

RGB led controlling with the mobile application via bluetooth mode HC-05 and Arduino Uno.

Feb 14, 2021

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hc-05

arduino uno

rgb

Apps and platforms

Arduino IDE

Project description

Code

RGB Bluetooth control

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);
}

RGB Bluetooth control

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);
}

Downloadable files

RGB controlling via Bluetooth module

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