137 lines
3.1 KiB
C++
137 lines
3.1 KiB
C++
#include <WiFi.h>
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#include <HTTPClient.h>
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#include <SPI.h>
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#include <MFRC522.h>
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#include <LiquidCrystal_I2C.h>
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const char* ssid = "amriiiii.02";
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const char* password = "123sampai10";
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const char* serverName = "http://192.168.92.176/playground_api/receive_rfid_scan.php";
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#define SS_PIN 5
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#define RST_PIN 15
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MFRC522 rfid(SS_PIN, RST_PIN);
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LiquidCrystal_I2C lcd(0x27, 16, 2);
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void setup() {
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Serial.begin(115200);
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lcd.init();
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lcd.backlight();
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SPI.begin();
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rfid.PCD_Init();
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lcd.setCursor(0, 0);
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lcd.print("Menghubungkan...");
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(500);
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Serial.print(".");
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lcd.setCursor(0, 1);
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lcd.print("WiFi Connecting..");
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}
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("WiFi Tersambung");
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Serial.println("WiFi Tersambung!");
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Serial.print("IP Address: ");
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Serial.println(WiFi.localIP());
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delay(1000);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("SISTEM PEMANTAU");
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lcd.setCursor(0, 1);
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lcd.print("ANAK PLAYGROUND");
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delay(2000);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("TEMPELKAN GELANG");
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lcd.setCursor(0, 1);
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lcd.print("UNTUK MENDAFTAR");
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Serial.println("Sistem siap. Tempelkan gelang RFID.");
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}
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void loop() {
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if (!rfid.PICC_IsNewCardPresent() || !rfid.PICC_ReadCardSerial()) {
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delay(50);
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return;
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}
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String uidStr = "";
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for (byte i = 0; i < rfid.uid.size; i++) {
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if (rfid.uid.uidByte[i] < 0x10) uidStr += "0";
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uidStr += String(rfid.uid.uidByte[i], HEX);
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}
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uidStr.toUpperCase();
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Serial.print("UID Gelang Terbaca: ");
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Serial.println(uidStr);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("GELANG TERBACA");
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lcd.setCursor(0, 1);
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lcd.print(uidStr);
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delay(1000);
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if (WiFi.status() == WL_CONNECTED) {
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HTTPClient http;
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http.begin(serverName);
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http.addHeader("Content-Type", "application/x-www-form-urlencoded");
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// Hanya kirim kode_gelang
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String httpRequestData = "kode_gelang=" + uidStr;
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Serial.print("Mengirim data: ");
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Serial.println(httpRequestData);
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int httpResponseCode = http.POST(httpRequestData);
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lcd.clear();
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lcd.setCursor(0, 0);
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if (httpResponseCode > 0) {
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String response = http.getString();
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Serial.print("HTTP Response Code: ");
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Serial.println(httpResponseCode);
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Serial.print("Server Response: ");
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Serial.println(response);
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lcd.print("Data Dikirim OK");
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lcd.setCursor(0, 1);
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lcd.print("Status: ");
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lcd.print(httpResponseCode);
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} else {
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Serial.print("Error Mengirim Data. HTTP Response Code: ");
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Serial.println(httpResponseCode);
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lcd.print("Gagal Kirim");
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lcd.setCursor(0, 1);
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lcd.print("Kode: ");
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lcd.print(httpResponseCode);
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}
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http.end();
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} else {
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("WiFi Terputus!");
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lcd.setCursor(0, 1);
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lcd.print("Reconnecting...");
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Serial.println("WiFi Terputus, mencoba menyambungkan ulang...");
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WiFi.reconnect();
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delay(2000);
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}
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delay(2000);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("TEMPELKAN GELANG");
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lcd.setCursor(0, 1);
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lcd.print("UNTUK MENDAFTAR");
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} |