// Set WiFi credentials
#define WIFI_SSID "your-wifi-ssid"
#define WIFI_PASS "your-wifi-pass"

void disableWifi(){
    Serial.print(millis());
    Serial.print("\tdisableWifi\t");

    WiFi.disconnect();
    WiFi.mode(WIFI_OFF);
    WiFi.forceSleepBegin();
    yield();

    Serial.println("OK");
}

void enableWifi(){
    Serial.print(millis());
    Serial.print("\tenableWifi");

    WiFi.forceSleepWake();
    yield();
    WiFi.mode(WIFI_STA);
    WiFi.begin(WIFI_SSID, WIFI_PASS);

    while (WiFi.status() != WL_CONNECTED) {
        digitalWrite(LED_BUILTIN, LOW);
        delay(250);
        digitalWrite(LED_BUILTIN, HIGH);
        delay(250);
        Serial.print(".");
    }

    Serial.println(WiFi.localIP());
}