유은제gledel
Published

Bluetooth-Serial Monitor-Smartphone Chat/LED (sw)

Chat with your computer by using your smart phone. You can also turn on and off the LED with your phone!

BeginnerProtip628
Bluetooth-Serial Monitor-Smartphone Chat/LED (sw)

Things used in this project

Hardware components

Arduino UNO
Arduino UNO
×1
Breadboard (generic)
Breadboard (generic)
×1
Bluetooth Low Energy (BLE) Module (Generic)
×1
LED (generic)
LED (generic)
×1
Resistor 221 ohm
Resistor 221 ohm
×1
Jumper wires (generic)
Jumper wires (generic)
×8

Software apps and online services

Arduino IDE
Arduino IDE

Story

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Schematics

Schemetics of bluetooth(SW, Chat)

Schemetics of bluetooth (SW, LED)

Code

code of software connection (chat, terminal mode)

EJS
//Chat
#include <SoftwareSerial.h>
SoftwareSerial BTSerial(12, 13);

void setup() {
  Serial.begin(9600);
  BTSerial.begin(9600);
}

void loop() {
  if (BTSerial.available())
  Serial.write(BTSerial.read());
  if (Serial.available())
  BTSerial.write(Serial.read());
}

code of software connection (LED, switch mode)

EJS
//LED
#include <SoftwareSerial.h>
SoftwareSerial BTSerial(12,13);
int led = 8;
 char command;
 
void setup() {
  Serial.begin(9600);
  BTSerial.begin(9600);
}
 
void loop() {
  if(BTSerial.available()){
  char command = BTSerial.read();
  Serial.println(char(command));
  if (command == 'Y'|| command == 'y'){
    digitalWrite(led, HIGH);
  }
  else if (command == 'N' || command == 'n'){
    digitalWrite(led, LOW);
  }
}
}

Credits

유은제
15 projects • 13 followers
Hello :-) I'm a high school student in South Korea.
gledel
100 projects • 116 followers
Looking back on my childhood, I was happy when I was making something and I was proud of myself. "Making is instinct!"

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