From ceedcd8cc018ae751458e363d9dd450f9e9ce928 Mon Sep 17 00:00:00 2001
From: Cameron <cameron@soycow.org>
Date: Thu, 4 Apr 2013 19:13:58 -0700
Subject: Fixed bad links for pwm.rst, spi.rst, usart.rst

---
 source/pwm.rst   | 6 +++---
 source/spi.rst   | 6 +++---
 source/usart.rst | 2 +-
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/source/pwm.rst b/source/pwm.rst
index 34ad508..421229d 100644
--- a/source/pwm.rst
+++ b/source/pwm.rst
@@ -96,8 +96,8 @@ Recommended Reading
 * `Secrets of Arduino PWM
   <http://www.arcfn.com/2009/07/secrets-of-arduino-pwm.html>`_ by Ken
   Shirriff
-* `So You Want To Use PWM, Eh? <http://www.arcfn.com/2009/07/secrets-of-arduino-pwm.html>`_ at Non-Lexical Vocables
+* `So You Want To Use PWM, Eh? <http://www.nlvocables.com/blog/?p=188>`_ at Non-Lexical Vocables
 * STMicro documentation for STM32F103RB microcontroller:
 
-  * `Datasheet <http://www.st.com/stonline/products/literature/ds/13587.pdf>`_ (pdf)
-  * `Reference Manual <http://www.st.com/stonline/products/literature/rm/13902.pdf>`_ (pdf)
+  * `Datasheet <http://www.st.com/web/en/resource/technical/document/datasheet/CD00161566.pdf>`_ (pdf)
+  * `Reference Manual <http://www.st.com/st-web-ui/static/active/en/resource/technical/document/programming_manual/CD00228163.pdf>`_ (pdf)
diff --git a/source/spi.rst b/source/spi.rst
index dd9f1f5..13c4c59 100644
--- a/source/spi.rst
+++ b/source/spi.rst
@@ -18,13 +18,13 @@ Recommended Reading
   <http://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus>`_
 
 * `Arduino reference on SPI
-  <http://www.arduino.cc/playground/Code/Spi>`_
+  <http://arduino.cc/en/Reference/SPI>`_
 
-* `Hardcore SPI on Arduino <http://klk64.com/arduino-spi/>`_ by kik64
+* `Hardcore SPI on Arduino <http://web.archive.org/web/20100522034122/http://klk64.com/arduino-spi/>`_ by kik64
 
 * ST Documentation:
 
   * Reference Manual `RM0008
-    <http://www.st.com/stonline/products/literature/rm/13902.pdf>`_
+    <http://www.st.com/web/en/resource/technical/document/reference_manual/CD00171190.pdf>`_
     (PDF), Chapter 25, "Serial Peripheral Interface"
 
diff --git a/source/usart.rst b/source/usart.rst
index 4807431..dbbc81c 100644
--- a/source/usart.rst
+++ b/source/usart.rst
@@ -55,7 +55,7 @@ Recommended Reading
 * `Arduino Serial reference
   <http://arduino.cc/en/Reference/Serial>`_
 * ST `Reference Manual RM0008
-  <http://www.st.com/stonline/products/literature/rm/13902.pdf>`_
+  <http://www.st.com/web/en/resource/technical/document/reference_manual/CD00171190.pdf>`_
   (PDF), Chapter 27.
 * `Serial and UART Tutorial
   <http://www.freebsd.org/doc/en/articles/serial-uart/>`_ (written for
-- 
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