Add periodic NTP resync

boot.py

@@ -1,17 +1,16 @@
-# Just in case prevent boot loops
-from time import sleep
-print("Press Ctrl-C to stop boot script...")
-sleep(1)
+
+# Disable AP
+import network
+ap_if = network.WLAN(network.AP_IF)
+ap_if.active(False)
+print("Access point disabled")
 
 # Connect to wireless network as client
-import network
 sta_if = network.WLAN(network.STA_IF)
 sta_if.active(True)
 sta_if.connect("Robootikaklubi", "u4HNj3sgYK")
-
-# Synchronize clock
-import ntptime
-ntptime.settime()
+while not sta_if.isconnected():
+    pass
 
 # Clean up
 import gc