feat: help message

led_control.py

@@ -170,6 +170,11 @@ async def main(loop):
             print(f"Upload request {filename} sent!")
         elif command == "q":
             break
+        else:
+            print("Commands:")
+            print("p: take picture and upload to S3")
+            print("h: help message")
+            print("q: quit")
     loop.stop()