From 7a5cbab456fdb9d325d2450c89eab5841f84ba94 Mon Sep 17 00:00:00 2001
From: Jesse Haubrich <jhaubrich@users.noreply.github.com>
Date: Thu, 26 Oct 2023 10:34:28 -0500
Subject: [PATCH] add close

---
 README.md           | 2 ++
 pcf8574/__init__.py | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/README.md b/README.md
index a6d47f4..521e372 100644
--- a/README.md
+++ b/README.md
@@ -40,4 +40,6 @@ Out[10]: False
 
 In [11]: pcf.port[6]
 Out[11]: True
+
+In [11]: pcf.close()
 ```
\ No newline at end of file
diff --git a/pcf8574/__init__.py b/pcf8574/__init__.py
index 4890397..7d4caa6 100644
--- a/pcf8574/__init__.py
+++ b/pcf8574/__init__.py
@@ -109,3 +109,6 @@ def get_pin_state(self, pin_number):
         assert pin_number in range(8), "Pin number must be an integer between 0 and 7"
         state = self.bus.read_byte(self.address)
         return bool(state & 1 << 7 - pin_number)
+
+    def close(self):
+        self.bus.close()
\ No newline at end of file