diff --git a/ejercicios/buttons.py b/ejercicios/buttons.py
new file mode 100644
index 0000000..42d3659
--- /dev/null
+++ b/ejercicios/buttons.py
@@ -0,0 +1,10 @@
+from machine import Pin
+import time
+
+button = Pin(2, Pin.IN)
+led = Pin(16, Pin.OUT)
+
+while True:
+    state = button.value()
+    led.value(state)
+    time.sleep(0.5)