Finalized 0.0.9 documentation.

1 files changed, 11 insertions, 4 deletions

diff --git a/docs/source/lang/api/pwmwrite.rst b/docs/source/lang/api/pwmwrite.rst
index 7a1d51f..2c858ab 100644
--- a/docs/source/lang/api/pwmwrite.rst
+++ b/docs/source/lang/api/pwmwrite.rst
@@ -11,6 +11,13 @@ pwmWrite(), the pin will output a steady square wave with the given
 duty cycle.  You can change the duty cycle later by calling pwmWrite()
 again with the same pin and a different duty.
 
+On the Maple, the pins which support PWM are: 0, 1, 2, 3, 5, 6, 7, 8,
+9, 11, 12, 14, 24, 27, and 28.
+
+The Arduino function :ref:`analogWrite() <lang-analogwrite>` is an
+alias for ``pwmWrite()``, but it is badly named, and its use is
+discouraged.
+
 .. contents:: Contents
    :local:
 
@@ -25,12 +32,11 @@ Example
 Sets the output to the LED proportional to the value read from the
 potentiometer::
 
-    int ledPin = 13;      // LED connected to pin 13 (Maple)
     int analogPin = 3;    // potentiometer connected to analog pin 3
     int val = 0;          // variable to store the read value
 
     void setup() {
-      pinMode(ledPin, OUTPUT);   // sets the LED pin as output
+      pinMode(BOARD_LED_PIN, OUTPUT);   // sets the LED pin as output
 
       pinMode(analogPin, PWM);   // sets the potentiometer pin as PWM
                                  // output
@@ -39,8 +45,9 @@ potentiometer::
     void loop() {
       val = analogRead(analogPin);   // read the input pin
 
-      analogWrite(ledPin, val / 16);  // analogRead values go from 0 to 4095,
-                                      // analogWrite values from 0 to 65535
+      analogWrite(BOARD_LED_PIN, val / 16);  // analogRead values go from 0
+                                             // to 4095, analogWrite values
+                                             // from 0 to 65535
     }
 
 See Also