diff --git a/python_payload/mypystubs/audio.pyi b/python_payload/mypystubs/audio.pyi
new file mode 100644
index 0000000000000000000000000000000000000000..ebe43979a70708310f2540abf6199bea7e052262
--- /dev/null
+++ b/python_payload/mypystubs/audio.pyi
@@ -0,0 +1,2 @@
+def set_volume_dB(v: float) -> None:
+    pass
diff --git a/python_payload/mypystubs/bl00mbox.pyi b/python_payload/mypystubs/bl00mbox.pyi
new file mode 100644
index 0000000000000000000000000000000000000000..94437cc0b0b4ad43802f9b6797cada223995384d
--- /dev/null
+++ b/python_payload/mypystubs/bl00mbox.pyi
@@ -0,0 +1,23 @@
+class tinysynth:
+    def __init__(self, note: int) -> None:
+        pass
+    def tone(self, note: int) -> None:
+        pass
+    def start(self) -> None:
+        pass
+    def stop(self) -> None:
+        pass
+    def attack_ms(self, ms: int) -> None:
+        pass
+    def decay_ms(self, ms: int) -> None:
+        pass
+    def sustain_ms(self, ms: int) -> None:
+        pass
+    def release_ms(self, ms: int) -> None:
+        pass
+    def volume(self, v: float) -> None:
+        pass
+    def sustain(self, s: float) -> None:
+        pass
+    def waveform(self, i: int) -> None:
+        pass
diff --git a/python_payload/mypystubs/gc.pyi b/python_payload/mypystubs/gc.pyi
new file mode 100644
index 0000000000000000000000000000000000000000..c98617832ebb07dd5f5f9d884067ad55d24b9d61
--- /dev/null
+++ b/python_payload/mypystubs/gc.pyi
@@ -0,0 +1,2 @@
+def mem_free() -> int:
+    pass
diff --git a/python_payload/mypystubs/leds.pyi b/python_payload/mypystubs/leds.pyi
new file mode 100644
index 0000000000000000000000000000000000000000..3ac52c9d9de9f1b3588032a776a7e40c1b87e09a
--- /dev/null
+++ b/python_payload/mypystubs/leds.pyi
@@ -0,0 +1,8 @@
+def set_rgb(ix: int, r: int, g: int, b: int) -> None:
+    pass
+
+def set_hsv(ix: int, h: float, s: float, v: float) -> None:
+    pass
+
+def update() -> None:
+    pass
diff --git a/python_payload/mypystubs/time.pyi b/python_payload/mypystubs/time.pyi
index 2a4d09189575bd5c025026fe3be8e2c2184ea217..e204b87ca687e661a70d73417466ff2efe4be4e8 100644
--- a/python_payload/mypystubs/time.pyi
+++ b/python_payload/mypystubs/time.pyi
@@ -1,2 +1,5 @@
 def ticks_ms() -> int:
     pass
+
+def time() -> int:
+    pass