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libraries/LCD03/examples/CustomChars/CustomChars.ino

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+/*
+  CustomChars.ino - Arduino library for I2C LCD03 display from Robot Electronics
+  see http://www.robot-electronics.co.uk/htm/Lcd03tech.htm
+  Copyright (c) 2013 Ben Arblaster.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include <Wire.h>
+#include <LCD03.h>
+
+// Create new LCD03 instance
+LCD03 lcd;
+
+// Define the custom char bytes
+byte smiley[8] = {
+  0b00000,
+  0b00000,
+  0b01010,
+  0b00000,
+  0b00000,
+  0b10001,
+  0b01110,
+  0b00000
+};
+
+void setup() {
+  // Initialise a 20x4 LCD
+  lcd.begin(20, 4);
+  
+  // create a new character
+  lcd.createChar(0, smiley);
+}
+
+// Fill the LCD with our custom smiley
+void loop() {
+  // Write the first custom char to the LCD
+  lcd.write(0);
+
+  // Wait for 1 second
+  delay(1000);
+}

libraries/LCD03/examples/HelloWorld/HelloWorld.ino

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+/*
+  HelloWorld.ino - Arduino library for I2C LCD03 display from Robot Electronics
+  see http://www.robot-electronics.co.uk/htm/Lcd03tech.htm
+  Copyright (c) 2013 Ben Arblaster.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include <Wire.h>
+#include <LCD03.h>
+ 
+// Create new LCD03 instance
+LCD03 lcd;
+ 
+void setup() {
+  // Initialise a 20x4 LCD
+  lcd.begin(20, 4);
+ 
+  // Turn on the backlight
+  lcd.backlight();
+  
+  // Write to the LCD
+  lcd.print("Hello world");
+ 
+  // Wait for 5 seconds
+  delay(5000);
+ 
+  // Clear the LCD
+  lcd.clear();
+}
+ 
+void loop() {
+  // Set the cursor to the top left
+  lcd.home();
+ 
+  // Print the uptime in millis
+  lcd.print(millis());
+}

libraries/LCD03/examples/ReadKeypad/ReadKeypad.ino

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+/*
+  ReadKeypad.ino - Arduino library for I2C LCD03 display from Robot Electronics
+  see http://www.robot-electronics.co.uk/htm/Lcd03tech.htm
+  Copyright (c) 2013 Ben Arblaster.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+#include <Wire.h>
+#include <LCD03.h>
+
+// Create new LCD03 instance
+LCD03 lcd;
+
+uint16_t keystate;
+
+void setup() {
+  // Initialise a 20x4 LCD
+  lcd.begin(20, 4);
+}
+
+// Check they keypad state once a second and print to the LCD
+void loop() {
+  // Clear the display and move the cursor to the top-left
+  lcd.clear();
+  
+  // Read the keypad state
+  keystate = lcd.readKeypad();
+  
+  // Check if key 1 is pressed
+  if(keystate & KEYPAD_1 == KEYPAD_1) {
+    lcd.print("Key 1 is pressed!");
+  }
+   
+  // Check if key 1 is pressed exclusively
+  if(keystate == KEYPAD_1) {
+   lcd.print("Only key 1 is pressed!");
+  }
+   
+  // Check if keys 1 and * are pressed simultaneously
+  if(keystate & (KEYPAD_1 | KEYPAD_STAR) == (KEYPAD_1 | KEYPAD_2)) {
+    lcd.print("Keys 1 and * are pressed!");
+  }
+   
+  // Check if keys 1 and * are pressed simultaneously exclusively
+  if(keystate == (KEYPAD_1 | KEYPAD_STAR)) {
+    lcd.print("Only keys 1 and * are pressed!");
+  }
+
+  // Wait for 1 second
+  delay(1000);
+}