diff --git a/gpio1.py b/gpio1.py
new file mode 100644
index 0000000..96e6363
--- /dev/null
+++ b/gpio1.py
@@ -0,0 +1,10 @@
+from machine import Pin
+import time
+pin12=Pin(12, Pin.IN)
+pin13=Pin(13, Pin.OUT)
+pin13.value(1)
+
+while pin12.value()==1:
+     pass
+
+pin13.value(0)