diff --git a/i2c/scan.py b/i2c/scan.py
new file mode 100755
index 0000000..4e20fb9
--- /dev/null
+++ b/i2c/scan.py
@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+
+import smbus
+
+bus = smbus.SMBus(1)
+
+for address in range(0, 127):
+    try:
+        bus.read_byte(address)
+        print 'device at address ' + hex(address)
+    except IOError:
+        pass
+