
Źródło: Getting Date and Time with ESP32 on Arduino IDE (NTP Client)
BIBLIOTEKA
NTP Client library forked by Taranais
KOD
/********* Rui Santos Complete project details at https://randomnerdtutorials.com Based on the NTP Client library example *********/ #include <WiFi.h> #include <NTPClient.h> #include <WiFiUdp.h> // Replace with your network credentials //const char* ssid = "REPLACE_WITH_YOUR_SSID"; //const char* password = "REPLACE_WITH_YOUR_PASSWORD"; #include <credentials.h> // Define NTP Client to get time WiFiUDP ntpUDP; NTPClient timeClient(ntpUDP); // Variables to save date and time String formattedDate; String dayStamp; String timeStamp; String hourStamp; void setup() { // Initialize Serial Monitor Serial.begin(115200); Serial.print("Connecting to "); Serial.println(ssid); WiFi.begin(ssid, password); while (WiFi.status() != WL_CONNECTED) { delay(500); Serial.print("."); } // Print local IP address and start web server Serial.println(""); Serial.println("WiFi connected."); Serial.println("IP address: "); Serial.println(WiFi.localIP()); // Initialize a NTPClient to get time timeClient.begin(); // Set offset time in seconds to adjust for your timezone, for example: // GMT +1 = 3600 // GMT +8 = 28800 // GMT -1 = -3600 // GMT 0 = 0 timeClient.setTimeOffset(7200); } void loop() { while(!timeClient.update()) { timeClient.forceUpdate(); } // The formattedDate comes with the following format: // 2018-05-28T16:00:13Z // We need to extract date and time formattedDate = timeClient.getFormattedDate(); Serial.println(formattedDate); // Extract date int splitT = formattedDate.indexOf("T"); // Serial.print("splitT: "); // Serial.println(splitT); dayStamp = formattedDate.substring(0, splitT); Serial.print("DATE: "); Serial.println(dayStamp); // Extract time timeStamp = formattedDate.substring(splitT+1, formattedDate.length()-1); Serial.print("HOUR: "); Serial.println(timeStamp); hourStamp = formattedDate.substring(splitT+1, splitT+3); Serial.print("Godzina: "); Serial.println(hourStamp); Serial.println(); delay(1000); }
LINKI:
system_profiler SPBluetoothDataType
https://youtu.be/xPlN_Tk3VLQ