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19 views2 pages

Cod

Uploaded by

ttowhid073
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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#include <SoftwareSerial.

h>

SoftwareSerial bluetooth(0, 1); // RX, TX pins for Bluetooth module

char command; // Variable to store incoming commands from Bluetooth

void setup() {
Serial.begin(9600); // Set up serial communication
bluetooth.begin(9600); // Set up Bluetooth communication
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);// Set LED pin as output
}

void loop() {
if (bluetooth.available()) { // Check if data is available to read from Bluetooth
command = bluetooth.read(); // Read the incoming command from Bluetooth

// Check the command received and perform corresponding action


switch (command) {
case '2':
digitalWrite(6, LOW); // Turn off LED
Serial.println("LED turned off");
break;
case '1':
digitalWrite(6, HIGH); // Turn on LED
Serial.println("FAN turned on");
break;
case '4':
digitalWrite(7, LOW); // Turn off LED
Serial.println("LED turned off");
break;
case '3':
digitalWrite(7, HIGH); // Turn on LED
Serial.println("LED turned on");
break;
default:
Serial.println("Invalid command");
}
}
}
ULN2003AN

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