checksleep.ino

#include <WiFi.h>
#include <NTPClient.h>
#include <WiFiUdp.h>
#include <TimeLib.h>

// Replace with your network credentials
const char* ssid     = "your_SSID";
const char* password = "your_PASSWORD";

// NTP Server settings
const char* ntpServer = "pool.ntp.org";
const long  gmtOffset_sec = 3600; // GMT offset in seconds
const int   daylightOffset_sec = 3600; // Daylight offset in seconds

WiFiUDP ntpUDP;
NTPClient timeClient(ntpUDP, ntpServer, gmtOffset_sec, 60000); // Update interval: 60s

bool isTimeInRange(int fromHour, int toHour) {
    int currentHour = hour(); // Get the current hour from TimeLib

    // Ensure 'fromHour' and 'toHour' are within 24-hour format
    fromHour = fromHour % 24;
    toHour = toHour % 24;

    // Handle cases where the range spans midnight
    if (fromHour <= toHour) {
        return (currentHour >= fromHour && currentHour <= toHour);
    } else {
        return (currentHour >= fromHour || currentHour <= toHour);
    }
}

void setup() {
    Serial.begin(115200);

    // Connect to Wi-Fi
    WiFi.begin(ssid, password);
    while (WiFi.status() != WL_CONNECTED) {
        delay(500);
        Serial.print(".");
    }
    Serial.println("Connected to WiFi");

    // Initialize NTP Client
    timeClient.begin();
    timeClient.update();

    // Set up the time (NTP client updates this automatically)
    setTime(timeClient.getEpochTime());

    int fromHour = 10; // 10 AM
    int toHour = 14;   // 2 PM

    if (isTimeInRange(fromHour, toHour)) {
        Serial.println("The current time is within the range.");
    } else {
        Serial.println("The current time is outside the range.");
    }
}

void loop() {
    timeClient.update(); // Update time from NTP server
    setTime(timeClient.getEpochTime()); // Set the time

    // Your main code here

    delay(10000); // Wait 10 seconds before the next update
}