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1#include "ThingSpeak.h"
2#include <ESP8266WiFi.h>
3
4#define SECRET_SSID "your-ssid"
5#define SECRET_PASS "your-pass" 
6
7#define SECRET_CH_ID 00000 //Ganti dengan Channel ThinkSpeak
8#define SECRET_WRITE_APIKEY "SECRET_WRITE_APIKEY" //Ganti dengan Write API KEY ThinkSpeak 
9
10char ssid[] = SECRET_SSID;
11char pass[] = SECRET_PASS;
12
13int keyIndex = 0;
14WiFiClient client; 
15
16unsigned long myChannelNumber = SECRET_CH_ID;
17const char * myWriteAPIKey = SECRET_WRITE_APIKEY;
18
19int number = 0;
20
21void setup() {
22  Serial.begin(115200);
23  WiFi.mode(WIFI_STA);
24  ThingSpeak.begin(client);
25  }
26  
27void loop() {
28  if(WiFi.status() != WL_CONNECTED){
29    Serial.print("Attempting to connect to SSID: ");
30    Serial.println(SECRET_SSID);
31    while(WiFi.status() != WL_CONNECTED){
32      WiFi.begin(ssid, pass);
33      Serial.print(".");
34      delay(5000);
35    }
36    Serial.println("\nConnected.");
37  }
38  number = analogRead(A0);
39  int x = ThingSpeak.writeField(myChannelNumber, 1, number, myWriteAPIKey);
40  if(x == 200){
41    Serial.println("Channel update successful.");
42  }else{
43    Serial.println("Problem updating channel. HTTP error code " + String(x));
44  }
45  delay(20000); // Wait 20 seconds to update the channel again
46  
47}