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- #include <SoftwareSerial.h>
- SoftwareSerial BlueTooth(5, 6); // (TXD, RXD) of HC-06
- char BT_input; // to store input character received via BT.
- void setup()
- {
- pinMode(13, OUTPUT); // Arduino Board LED Pin
- BlueTooth.begin(9600);
- }
- void loop()
- {
- if (BlueTooth.available())
- {
- BT_input=(BlueTooth.read());
- if (BT_input=='a')
- {
- digitalWrite(13, HIGH);
- BlueTooth.println("Now LED is ON");
- }
- else if (BT_input=='b')
- {
- digitalWrite(13, LOW);
- BlueTooth.println("Now LED is OFF");
- }
- else if (BT_input=='?')
- {
- BlueTooth.println("Send 'a' to turn LED ON");
- BlueTooth.println("Send 'b' to turn LED OFF");
- }
- if(BT_input == '!') {
- for(BT_input = 0 ; BT_input <= 20 ; BT_input ++){
- digitalWrite(13, HIGH);
- delay(75);
- digitalWrite(13, LOW);
- delay(70);
- }
- }
- }
- }
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