Symptoms Detector (Pseudo - covid19)

1/* MQ-9 testing
2 *  Last modiefication 27-3-2020
3 *  Roy Ben Avraham
4   this section is for each parameter we detect for example: blue led- common cold   for another led? another section, try to customize it for your own usage, good luck.
5   */
6void setup() {
7
8  pinMode(A0, INPUT);
9  pinMode(13, OUTPUT);
10   pinMode(12, OUTPUT);
11  Serial.begin(9600);
12}
13
14void loop() {
15
16   int sens = analogRead(A0);
17 if(sens >= 220){
18  digitalWrite(13, HIGH);
19   delay(4000);
20  digitalWrite(13, LOW);
21  digitalWrite(12, HIGH);
22  delay(4000);
23   digitalWrite(12, LOW);
24  digitalWrite(13, HIGH);
25  delay(4000);
26  digitalWrite(13,   LOW);
27  digitalWrite(12, HIGH);
28  delay(4000);
29  digitalWrite(12, LOW);
30   }else{
31  digitalWrite(13, LOW);
32 }
33 Serial.println(sens);
34}

1/* MQ-9 testing
2 *  Last modiefication 27-3-2020
3 *  Roy Ben Avraham
4  this section is for each parameter we detect for example: blue led- common cold  for another led? another section, try to customize it for your own usage, good luck.
5  */
6void setup() {
7
8  pinMode(A0, INPUT);
9  pinMode(13, OUTPUT);
10  pinMode(12, OUTPUT);
11  Serial.begin(9600);
12}
13
14void loop() {
15
16  int sens = analogRead(A0);
17 if(sens >= 220){
18  digitalWrite(13, HIGH);
19  delay(4000);
20  digitalWrite(13, LOW);
21  digitalWrite(12, HIGH);
22  delay(4000);
23  digitalWrite(12, LOW);
24  digitalWrite(13, HIGH);
25  delay(4000);
26  digitalWrite(13,  LOW);
27  digitalWrite(12, HIGH);
28  delay(4000);
29  digitalWrite(12, LOW);
30  }else{
31  digitalWrite(13, LOW);
32 }
33 Serial.println(sens);
34}

1/* 
2 MQ9 
3 Last modified on 27 March 2020 
4 by Roy Ben Avraham  
5*/ 
6const int LED = 2; 
7const int DO = 8; 
8void setup() { 
9 Serial.begin(9600);  
10 pinMode(LED, OUTPUT); 
11 pinMode(DO, INPUT); 
12} 
13void loop() { 
14  int alarm = 0; 
15 float sensor_volt; 
16 float RS_gas; 
17 float ratio; 
18//-Replace  the name "R0" with the value of R0 in the demo of First Test -/ 
19 float R0  = 0.99; 
20 int sensorValue = analogRead(A0); 
21 sensor_volt = ((float)sensorValue  / 1024) * 5.0; 
22RS_gas = (5.0 - sensor_volt) / sensor_volt; // Depend on RL on  yor module 
23 ratio = RS_gas / R0; // ratio = RS/R0 
24//------------------------------------------------------------/  
25 Serial.print("sensor_volt = "); 
26 Serial.println(sensor_volt); 
27 Serial.print("RS_ratio  = "); 
28 Serial.println(RS_gas); 
29 Serial.print("Rs/R0 = "); 
30 Serial.println(ratio);  
31 Serial.print("\
32\
33"); 
34 alarm = digitalRead(DO); 
35 if (alarm == 1)  digitalWrite(LED, HIGH); 
36 else if (alarm == 0) digitalWrite(LED, LOW); 
37  delay(1000); 
38}
39