Bluetooth traffic signal

Control cars with a touch of your finger

Mar 25, 2020

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1680 views

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1 respects

Components and supplies

5 mm LED: Green

5 mm LED: Red

HC-05 Bluetooth Module

Android device

5 mm LED: Yellow

Jumper wires (generic)

Arduino UNO

Breadboard (generic)

Apps and platforms

ARDUINO CAR

Arduino IDE

Project description

Code

BT SIGNAL CODE

arduino

1char t;
2
3void setup() {
4pinMode(13,OUTPUT); 
5pinMode(12,OUTPUT);  
6pinMode(11,OUTPUT); 
7Serial.begin(9600);
8
9}
10
11void loop() {
12if(Serial.available()){
13t  = Serial.read();
14Serial.println(t);
15}
16
17if(t == 'R'){ 
18digitalWrite(13,HIGH);
19}
20else  if(t == 'D'){ 
21digitalWrite(13,LOW);
22}
23else if(t == 'Y'){ 
24digitalWrite(12,HIGH);
25}
26else  if(t == 'L'){ 
27digitalWrite(12,LOW);
28}
29else if(t == 'G'){ 
30digitalWrite(11,HIGH);
31}
32else  if(t == 'N'){ 
33digitalWrite(11,LOW);
34}
35delay(1000);
36}
37
38   
39

char t;

void setup() {
pinMode(13,OUTPUT); 
pinMode(12,OUTPUT);  
pinMode(11,OUTPUT); 
Serial.begin(9600);

}

void loop() {
if(Serial.available()){
t  = Serial.read();
Serial.println(t);
}

if(t == 'R'){ 
digitalWrite(13,HIGH);
}
else  if(t == 'D'){ 
digitalWrite(13,LOW);
}
else if(t == 'Y'){ 
digitalWrite(12,HIGH);
}
else  if(t == 'L'){ 
digitalWrite(12,LOW);
}
else if(t == 'G'){ 
digitalWrite(11,HIGH);
}
else  if(t == 'N'){ 
digitalWrite(11,LOW);
}
delay(1000);
}

Downloadable files

BT SIGNAL

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