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1#include <SoftwareSerial.h>
2#define RX 2
3#define TX 3
4String AP = "Internet Wifi Name";       // AP NAME
5String PASS = "Internet Wifi Password"; // AP PASSWORD
6String API = "YOUR API WRITE KEY";   // Write API KEY
7String HOST = "api.thingspeak.com";
8String PORT = "80";
9String field = "field1";
10int countTrueCommand;
11int countTimeCommand; 
12boolean found = false; 
13int valSensor = 1;
14SoftwareSerial esp8266(RX,TX); 
15 
16  
17void setup() {
18  Serial.begin(9600);
19  esp8266.begin(115200);
20  sendCommand("AT",5,"OK");
21  sendCommand("AT+CWMODE=1",5,"OK");
22  sendCommand("AT+CWJAP=\""+ AP +"\",\""+ PASS +"\"",20,"OK");
23}
24
25void loop() {
26 valSensor = getSensorData();
27 String getData = "GET /update?api_key="+ API +"&"+ field +"="+String(valSensor);
28sendCommand("AT+CIPMUX=1",5,"OK");
29 sendCommand("AT+CIPSTART=0,\"TCP\",\""+ HOST +"\","+ PORT,15,"OK");
30 sendCommand("AT+CIPSEND=0," +String(getData.length()+4),4,">");
31 esp8266.println(getData);delay(1500);countTrueCommand++;
32 sendCommand("AT+CIPCLOSE=0",5,"OK");
33}
34
35int getSensorData(){
36  return random(1000); // Replace with your own sensor code
37}
38
39void sendCommand(String command, int maxTime, char readReplay[]) {
40  Serial.print(countTrueCommand);
41  Serial.print(". at command => ");
42  Serial.print(command);
43  Serial.print(" ");
44  while(countTimeCommand < (maxTime*1))
45  {
46    esp8266.println(command);//at+cipsend
47    if(esp8266.find(readReplay))//ok
48    {
49      found = true;
50      break;
51    }
52  
53    countTimeCommand++;
54  }
55  
56  if(found == true)
57  {
58    Serial.println("OYI");
59    countTrueCommand++;
60    countTimeCommand = 0;
61  }
62  
63  if(found == false)
64  {
65    Serial.println("Fail");
66    countTrueCommand = 0;
67    countTimeCommand = 0;
68  }
69  
70  found = false;
71 }