docs/esp32: Add WDT to quickref.
@@ -384,6 +384,17 @@ See :ref:`machine.RTC <machine.RTC>` ::
rtc.datetime((2017, 8, 23, 1, 12, 48, 0, 0)) # set a specific date and time
rtc.datetime() # get date and time
+WDT (Watchdog timer)
+--------------------
+
+See :ref:`machine.WDT <machine.WDT>`. ::
+
+ from machine import WDT
+
+ # enable the WDT with a timeout of 5s (1s is the minimum)
+ wdt = WDT(timeout=5000)
+ wdt.feed()
+
Deep-sleep mode
---------------
