Real Space Tracker

1#include <ESP8266WiFi.h>
2#include <LiquidCrystal.h>
3#include <ArduinoJson.h>
4#include <ESP8266HTTPClient.h>
5#include <WiFiClient.h>
6#include <ESP8266HTTPClient.h>
7HTTPClient http;
8
9const char* ssid = "Your name";
10const char* password = "Your code";
11
12const int rs = D5;
13const int en = D3;
14const int d4 = D2;
15const int d5 = D1;
16const int d6 = D0;
17const int d7 = D4;
18LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
19
20bool isConnected = false;
21
22float targetLat = Your cordinates;
23float targetLon = Your cordinates;
24float distanceThreshold = 10;
25
26unsigned long lastDetectionTime = 0;
27unsigned long notificationInterval = 30000;
28unsigned long displayAstronautsTime = 7000;
29
30float lat = 0.0;
31float lon = 0.0;
32
33bool isSwitchOn = false;
34bool wasSwitchOn = false;
35bool displayAstronauts = false;
36unsigned long displayStartTime = 0;
37
38void setup() {
39  Serial.begin(115200);
40  lcd.begin(16, 2);
41  lcd.setCursor(2, 0);
42  lcd.print("ISS  tracker");
43  connectToWiFi();
44  pinMode(D6, INPUT_PULLUP);
45}
46
47void loop() {
48  if (WiFi.status() == WL_CONNECTED) {
49    if (!isConnected) {
50      lcd.clear();
51      lcd.print("Connected!");
52      isConnected = true;
53    }
54    getISSPosition();
55    checkIfNearTarget();
56    handleSwitch();
57    handleDisplayAstronauts();
58  } else {
59    if (isConnected) {
60      lcd.clear();
61      lcd.print("Connection Lost");
62      isConnected = false;
63    }
64  }
65  delay(1000);
66}
67
68void connectToWiFi() {
69  WiFi.begin(ssid, password);
70  while (WiFi.status() != WL_CONNECTED) {
71    delay(1000);
72    Serial.print(".");
73  }
74  Serial.println();
75  Serial.println("Connected to WiFi");
76}
77
78void getISSPosition() {
79  if (!isSwitchOn) { // Ενημερώνουμε τις συντεταγμένες μόνο όταν το switch είναι ανενεργό
80    WiFiClient client;
81    http.begin(client, "http://api.open-notify.org/iss-now.json");
82    int httpCode = http.GET();
83    if (httpCode == HTTP_CODE_OK) {
84      String payload = http.getString();
85      deserializeISSPayload(payload);
86    } else {
87      Serial.println("HTTP request error");
88    }
89    http.end();
90  }
91}
92
93void deserializeISSPayload(String payload) {
94  StaticJsonDocument<256> doc;
95  DeserializationError error = deserializeJson(doc, payload);
96  if (error) {
97    Serial.println("JSON deserialization error");
98    return;
99  }
100  lat = doc["iss_position"]["latitude"];
101  lon = doc["iss_position"]["longitude"];
102  lcd.clear();
103  lcd.setCursor(0, 0);
104  lcd.print("Lat: " + String(lat, 6));
105  lcd.setCursor(0, 1);
106  lcd.print("Lon: " + String(lon, 6));
107  lcd.setCursor(11, 1);
108  lcd.print("        ");
109  lcd.setCursor(11, 0);
110  lcd.print("        ");
111}
112
113void checkIfNearTarget() {
114  float latDiff = abs(targetLat - lat);
115  float lonDiff = abs(targetLon - lon);
116
117  if (latDiff <= distanceThreshold && lonDiff <= distanceThreshold) {
118    if (millis() - lastDetectionTime > notificationInterval) {
119      lcd.setCursor(0, 0);
120      lcd.print("   ISS detect  ");
121      lcd.setCursor(0, 1);
122      lcd.print("                   ");
123      lastDetectionTime = millis();
124      delay(3000);
125    }
126  } else {
127    lastDetectionTime = 0;
128  }
129}
130
131void handleSwitch() {
132  wasSwitchOn = isSwitchOn;
133  isSwitchOn = digitalRead(D6) == LOW;
134
135  if (isSwitchOn && !wasSwitchOn) {
136    displayAstronauts = true;
137    displayStartTime = millis();
138  }
139}
140
141void handleDisplayAstronauts() {
142  if (displayAstronauts && (millis() - displayStartTime <= displayAstronautsTime)) {
143    displayAstronautCount();
144  } else {
145    displayAstronauts = false;
146  }
147}
148
149void displayAstronautCount() {
150  WiFiClient client;
151  http.begin(client, "http://api.open-notify.org/astros.json");
152  int httpCode = http.GET();
153  if (httpCode == HTTP_CODE_OK) {
154    String payload = http.getString();
155    DynamicJsonDocument doc(1024);
156    DeserializationError error = deserializeJson(doc, payload);
157    if (!error) {
158      int astronautCount = doc["number"];
159      lcd.clear();
160      lcd.setCursor(0, 0);
161      lcd.print("Astronauts: " + String(astronautCount));
162      lcd.setCursor(0, 1);
163      lcd.print("Speed: 7.706m/s");
164    }
165  }
166  http.end();
167}