diff --git a/wasp/boards/dsd6/manifest.py b/wasp/boards/dsd6/manifest.py
index e69de29..9efab20 100644
--- a/wasp/boards/dsd6/manifest.py
+++ b/wasp/boards/dsd6/manifest.py
@@ -0,0 +1,11 @@
+freeze('../..',
+    (
+        'demo.py',
+        'drivers/battery.py',
+        'drivers/signal.py',
+        'drivers/vibrator.py',
+    ),
+    opt=3
+)
+freeze('.', 'watch.py', opt=3)
+
diff --git a/wasp/boards/dsd6/watch.py b/wasp/boards/dsd6/watch.py
new file mode 100644
index 0000000..fdfdba9
--- /dev/null
+++ b/wasp/boards/dsd6/watch.py
@@ -0,0 +1,5 @@
+from machine import RTCounter as RTC
+
+# Start measuring time (and feeding the watchdog)
+rtc = RTC(1, mode=RTC.PERIODIC)
+rtc.start()
diff --git a/wasp/boards/nitrogen/manifest.py b/wasp/boards/nitrogen/manifest.py
index e69de29..f60ebd9 100644
--- a/wasp/boards/nitrogen/manifest.py
+++ b/wasp/boards/nitrogen/manifest.py
@@ -0,0 +1,13 @@
+freeze('../..',
+    (
+        'demo.py',
+        'drivers/battery.py',
+        'drivers/signal.py',
+        'drivers/st7789.py',
+        'drivers/vibrator.py',
+        'logo.py',
+    ),
+    opt=3
+)
+freeze('.', 'watch.py', opt=3)
+
diff --git a/wasp/boards/nitrogen/watch.py b/wasp/boards/nitrogen/watch.py
new file mode 100644
index 0000000..fdfdba9
--- /dev/null
+++ b/wasp/boards/nitrogen/watch.py
@@ -0,0 +1,5 @@
+from machine import RTCounter as RTC
+
+# Start measuring time (and feeding the watchdog)
+rtc = RTC(1, mode=RTC.PERIODIC)
+rtc.start()