diff --git a/examples/README.md b/examples/README.md
new file mode 100644
index 0000000..6533bfc
--- /dev/null
+++ b/examples/README.md
@@ -0,0 +1,17 @@
+# Examples
+
+## Turnstile
+
+An example of a simple mechanism that can be modeled by a state machine is a
+turnstile. A turnstile, used to control access to subways and amusement park
+rides, is a gate with three rotating arms at waist height, one across the
+entryway. Initially the arms are locked, blocking the entry, preventing patrons
+from passing through. Depositing a coin or token in a slot on the turnstile
+unlocks the arms, allowing a single customer to push through. After the customer
+passes through, the arms are locked again until another coin is inserted.
+
+![Turnstile diagram](https://git.pleshevski.ru/pleshevskiy/it-fsm/src/branch/main/assets/turnstile.svg)
+
+```sh
+deno run ./examples/turnstile.ts
+```