Update README.md

micropython/examples/badger2040/README.md

@@ -25,6 +25,11 @@ An example of how to read the battery voltage and display a battery level indica
 
 An example of how to read Badger2040's buttons and display a unique message for each.
 
+### LED
+[led.py](led.py)
+
+Blinks Badger's LED on and off. A lot.
+
 
 ## Application Examples