diff --git a/README.md b/README.md
index 0615510..d6e49e4 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,8 @@ Raise an exception if a firmware build is earlier than a given date.
 
 # timed_function
 
-Time a function's execution using a decorator.
+Time a function's execution using a decorator. Also a way to implement timeouts
+using a closure.
 
 # ESP8266 (MQTT benchmark)
 
diff --git a/fastbuild/buildnew b/fastbuild/buildnew
index 257ae95..b4cda60 100755
--- a/fastbuild/buildnew
+++ b/fastbuild/buildnew
@@ -17,7 +17,6 @@ cd ../esp8266
 make clean
 cd ../unix
 make clean
-make -j 8 axtls
 # If you're going to enable deplibs: see micropython/README
 #make deplibs
 make -j 8
diff --git a/timed_function/timeout.py b/timed_function/timeout.py
new file mode 100644
index 0000000..6788a74
--- /dev/null
+++ b/timed_function/timeout.py
@@ -0,0 +1,15 @@
+# Implement a timeout using a closure
+import utime
+
+def to(t):
+    tstart = utime.ticks_ms()
+    def foo():
+        return utime.ticks_diff(utime.ticks_ms(), tstart) > t
+    return foo
+
+# Usage
+t = to(3000)
+for _ in range(10):
+    print(t())
+    utime.sleep(0.5)
+