February 21, 2018 by Arunkumar Iyer
This project aims to control various electronic components using wireless technology (in this case blue-tooth).
| 1 | Arduino Uno | ||
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| 1 | HC-05 | ||
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| 1 | LED | ||
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| 8 | Male-Male Jumper Wires | ||
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| 1 | Android phone | ||
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| 1 | Breadboard | ||
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| 1 | Arduino Bluetooth Control (Android application) | ||
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Interfacing of LED and HC-05 with Arduino Uno
Step 1: Connect and a LED to any Arduino board with the help of jumper wires.
Step 2: Connect the blue-tooth module (HC-05) to the Arduino with the help of jumper wires. Except the first and the last pin, all other pins need to be connected to the Arduino.
Ground of HC-05 to Ground of Arduino.
Power of HC-05 to 3.3V of Arduino.
Tx of HC-05 to Rx of Arduino.
Rx of HC-05 to Tx of Arduino.
int led=8;
void setup() {
pinMode(8,OUTPUT);
Serial.begin(9600);
}
void loop() {
if (Serial.available()>0) {
char data=Serial.read(); //reading the data from the bluetooth module
switch(data)
{
case 'a':digitalWrite(8,HIGH); // Pressing 'A' will power the led
break;
case 'b':digitalWrite(8,LOW); // pressing 'B' will turn off the led
break;
default: break;
}
delay(100);
}
}I am student of electronics and telecommunication engineering. I am very much fond of electronics and it's applications.
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