Say no to fire with arduino

An alarm in case of fire

Jul 22, 2020

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greener planet

Components and supplies

Buzzer

Breadboard (generic)

Resistor 100k ohm

Arduino UNO

LED (generic)

resistor 300 kilo ohm

Resistor 221 ohm

Apps and platforms

Arduino IDE

Arduino Web Editor

Project description

Code

Untitled file

arduino

1void setup()
2   {
3       pinMode(9, OUTPUT);
4       pinMode(13,  OUTPUT);
5   }
6
7void loop()
8   {
9       int v = analogRead(A0) ;
10       if ( v > 10)
11       analogWrite(9, 255);
12       digitalWrite(13,HIGH);
13            delay(1000) ;
14       analogWrite(9, 127);
15       digitalWrite(13,HIGH);
16            delay(1000) ;
17       analogWrite(9, 255);
18       digitalWrite(13,HIGH);
19            delay(1000) ;
20       analogWrite(9, 127);
21       digitalWrite(13,HIGH);
22            delay(1000) ;
23       analogWrite(9, 255);
24       digitalWrite(13,HIGH);
25            delay(1000) ;
26       analogWrite(9, 127);
27       digitalWrite(13,HIGH);
28            delay(1000) ;
29       analogWrite(9, 255);
30       digitalWrite(13,HIGH);
31            delay(1000) ;
32       analogWrite(9, 127);
33       digitalWrite(13,HIGH);
34            delay(1000) ;      
35   }

void setup()
   {
       pinMode(9, OUTPUT);
       pinMode(13,  OUTPUT);
   }

void loop()
   {
       int v = analogRead(A0) ;
       if ( v > 10)
       analogWrite(9, 255);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 127);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 255);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 127);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 255);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 127);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 255);
       digitalWrite(13,HIGH);
            delay(1000) ;
       analogWrite(9, 127);
       digitalWrite(13,HIGH);
            delay(1000) ;      
   }

Downloadable files

untitled_sketch_esquema_YNWBISfuKW.jpg

sensor_flame_sketch_bb_WOC2V4AoWo.png

untitled_sketch_esquema_YNWBISfuKW.jpg

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