Added example to demonstrate LiquidCrystal chreateChar() function

libraries/LiquidCrystal/examples/CustomCharacter/CustomCharacter.pde

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+/*
+  LiquidCrystal Library - Custom Characters
+ 
+ Demonstrates how to add custom characters on an LCD  display.  
+ The LiquidCrystal library works with all LCD displays that are 
+ compatible with the  Hitachi HD44780 driver. There are many of 
+ them out there, and you can usually tell them by the 16-pin interface.
+ 
+ This sketch prints "I <heart> Arduino!" and a little dancing man
+ to the LCD.
+ 
+  The circuit:
+ * LCD RS pin to digital pin 12
+ * LCD Enable pin to digital pin 11
+ * LCD D4 pin to digital pin 5
+ * LCD D5 pin to digital pin 4
+ * LCD D6 pin to digital pin 3
+ * LCD D7 pin to digital pin 2
+ * LCD R/W pin to ground
+ * 10K potentiometer:
+ * ends to +5V and ground
+ * wiper to LCD VO pin (pin 3)
+ * 10K poterntiometer on pin A0
+ 
+ created21 Mar 2011
+ by Tom Igoe
+ Based on Adafruit's example at
+ https://github.com/adafruit/SPI_VFD/blob/master/examples/createChar/createChar.pde
+ 
+ This example code is in the public domain.
+ http://www.arduino.cc/en/Tutorial/LiquidCrystal
+ 
+ Also useful:
+ http://icontexto.com/charactercreator/
+ 
+ */
+
+// include the library code:
+#include <LiquidCrystal.h>
+
+// initialize the library with the numbers of the interface pins
+LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
+
+// make some custom characters:
+byte heart[8] = {
+  0b00000,
+  0b01010,
+  0b11111,
+  0b11111,
+  0b11111,
+  0b01110,
+  0b00100,
+  0b00000
+};
+
+byte smiley[8] = {
+  0b00000,
+  0b00000,
+  0b01010,
+  0b00000,
+  0b00000,
+  0b10001,
+  0b01110,
+  0b00000
+};
+
+byte frownie[8] = {
+  0b00000,
+  0b00000,
+  0b01010,
+  0b00000,
+  0b00000,
+  0b00000,
+  0b01110,
+  0b10001
+};
+
+byte armsDown[8] = {
+  0b00100,
+  0b01010,
+  0b00100,
+  0b00100,
+  0b01110,
+  0b10101,
+  0b00100,
+  0b01010
+};
+
+byte armsUp[8] = {
+  0b00100,
+  0b01010,
+  0b00100,
+  0b10101,
+  0b01110,
+  0b00100,
+  0b00100,
+  0b01010
+};
+void setup() {
+  // create a new character
+  lcd.createChar(0, heart);
+  // create a new character
+  lcd.createChar(1, smiley);
+  // create a new character
+  lcd.createChar(2, frownie);
+  // create a new character
+  lcd.createChar(3, armsDown);  
+  // create a new character
+  lcd.createChar(4, armsUp);  
+
+  // set up the lcd's number of columns and rows: 
+  lcd.begin(16, 2);
+  // Print a message to the lcd.
+  lcd.print("I "); 
+  lcd.write(0);
+  lcd.print(" Arduino! ");
+  lcd.write(1);
+
+}
+
+void loop() {
+  // read the potentiometer on A0:
+  int sensorReading = analogRead(A0);
+  // map the result to 200 - 1000:
+  int delayTime = map(sensorReading, 0, 1023, 200, 1000);
+  // set the cursor to the bottom row, 5th position:
+  lcd.setCursor(4, 1);
+  // draw the little man, arms down:
+  lcd.write(3);
+  delay(delayTime);
+  lcd.setCursor(4, 1);
+  // draw him arms up:
+  lcd.write(4);
+  delay(delayTime); 
+}
+
+
+