diff --git a/blink.py b/blink.py
new file mode 100644
index 0000000000000000000000000000000000000000..3355a32e4c9ce3b61f9b4e683a5d9cee4b9a9d3e
--- /dev/null
+++ b/blink.py
@@ -0,0 +1,7 @@
+from machine import Pin, Timer
+led = Pin(25, Pin.OUT)
+timer = Timer()
+def blink(timer):
+    led.toggle()
+    
+timer.init(freq=2.5, mode=Timer.PERIODIC, callback=blink)