From 705dbeb2c17d0dc53e0d439d0961376ea0243a40 Mon Sep 17 00:00:00 2001
From: Martin O'Hanlon <martin.ohanlon@raspberrypi.org>
Date: Fri, 18 Nov 2022 09:20:13 +0000
Subject: [PATCH 1/3] pot led example

---
 docs/examples/pot_led.py | 10 ++++++++++
 docs/recipes.rst         |  4 ++++
 2 files changed, 14 insertions(+)
 create mode 100644 docs/examples/pot_led.py

diff --git a/docs/examples/pot_led.py b/docs/examples/pot_led.py
new file mode 100644
index 0000000..a9daa57
--- /dev/null
+++ b/docs/examples/pot_led.py
@@ -0,0 +1,10 @@
+from picozero import Pot, LED
+
+# Potentiometer connected to GP26 (ADC0), GND and 3V
+# LED connected to GP0
+
+pot = Pot(26)
+led =  LED(0)
+
+while True:
+    led.value = pot.value
\ No newline at end of file
diff --git a/docs/recipes.rst b/docs/recipes.rst
index 87438d1..e8221f2 100644
--- a/docs/recipes.rst
+++ b/docs/recipes.rst
@@ -154,6 +154,10 @@ Print the value, voltage and percent reported by a potentiometer:
 
     In the Thonny Python editor, choose View->Plotter to plot the output of :meth:`print`. 
 
+Use a potentiometer to control the brightness of an LED:
+
+.. literalinclude:: examples/pot_led.py
+
 Buzzer
 ------
 

From f3098778b6cc8daac49ed88d011e85eb5d61d1b0 Mon Sep 17 00:00:00 2001
From: Martin O'Hanlon <martin.ohanlon@raspberrypi.org>
Date: Fri, 18 Nov 2022 09:31:13 +0000
Subject: [PATCH 2/3] v0.4.0

---
 docs/changelog.rst   | 6 ++++++
 docs/conf.py         | 2 +-
 picozero/__init__.py | 2 +-
 setup.py             | 4 ++--
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index 902afc2..0a84160 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -3,6 +3,12 @@ Change log
 
 .. currentmodule:: picozero
 
+0.4.0 - 2022-11-18
+~~~~~~~~~~~~~~~~~~
+
++ Introduced `Servo` classes
++ Documentation fixes
+
 0.3.0 - 2022-08-12
 ~~~~~~~~~~~~~~~~~~
 
diff --git a/docs/conf.py b/docs/conf.py
index ae1a7e4..eb4c8fc 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -47,7 +47,7 @@ def __getattr__(cls, name):
 author = 'Raspberry Pi Foundation'
 
 # The full version, including alpha/beta/rc tags
-release = '0.3.0'
+release = '0.4.0'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/picozero/__init__.py b/picozero/__init__.py
index 6c6b963..feecead 100644
--- a/picozero/__init__.py
+++ b/picozero/__init__.py
@@ -1,6 +1,6 @@
 __name__ = "picozero"
 __package__ = "picozero"
-__version__ = '0.3.0'
+__version__ = '0.4.0'
 __author__ = "Raspberry Pi Foundation"
 
 from .picozero import (
diff --git a/setup.py b/setup.py
index 7644328..1afd37b 100644
--- a/setup.py
+++ b/setup.py
@@ -3,7 +3,7 @@
 __project__ = 'picozero'
 __packages__ = ['picozero']
 __desc__ = 'A beginner-friendly library for using common electronics components with the Raspberry Pi Pico. '
-__version__ = '0.3.0'
+__version__ = '0.4.0'
 __author__ = "Raspberry Pi Foundation"
 __author_email__ = 'learning@raspberrypi.org'
 __license__ = 'MIT'
@@ -15,7 +15,7 @@
     'electronics',
 ]
 __classifiers__ = [
-        'Development Status :: 1 - Planning',
+        'Development Status :: 4 - Beta',
         'Intended Audience :: Developers',
         'Intended Audience :: Education',
         'Programming Language :: Python :: Implementation :: MicroPython',

From f2fd3799e9242ec874399ffac8c034f406421c33 Mon Sep 17 00:00:00 2001
From: Martin O'Hanlon <martin.ohanlon@raspberrypi.org>
Date: Fri, 18 Nov 2022 09:32:32 +0000
Subject: [PATCH 3/3] typo

---
 docs/changelog.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/changelog.rst b/docs/changelog.rst
index 0a84160..3e77dde 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -6,7 +6,7 @@ Change log
 0.4.0 - 2022-11-18
 ~~~~~~~~~~~~~~~~~~
 
-+ Introduced `Servo` classes
++ Introduced ``Servo`` class
 + Documentation fixes
 
 0.3.0 - 2022-08-12