diff options
| -rw-r--r-- | libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde | 6 | ||||
| -rw-r--r-- | libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde | 15 |
2 files changed, 21 insertions, 0 deletions
diff --git a/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde index f755d9c..438063f 100644 --- a/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde +++ b/libraries/LiquidCrystal/examples/HelloWorld/HelloWorld.pde @@ -1,9 +1,15 @@ #include <LiquidCrystal.h> +// LiquidCrystal display with: +// rs on pin 12 +// rw on pin 11 +// enable on pin 10 +// d0, d1, d2, d3 on pins 5, 4, 3, 2 LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); void setup() { + // Print a message to the LCD. lcd.print("hello, world!"); } diff --git a/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde index 6e4336c..940439e 100644 --- a/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde +++ b/libraries/LiquidCrystal/examples/SerialDisplay/SerialDisplay.pde @@ -1,5 +1,15 @@ +/* + * Displays text sent over the serial port (e.g. from the Serial Monitor) on + * an attached LCD. + */ + #include <LiquidCrystal.h> +// LiquidCrystal display with: +// rs on pin 12 +// rw on pin 11 +// enable on pin 10 +// d0, d1, d2, d3 on pins 5, 4, 3, 2 LiquidCrystal lcd(12, 11, 10, 5, 4, 3, 2); void setup() @@ -9,10 +19,15 @@ void setup() void loop() { + // when characters arrive over the serial port... if (Serial.available()) { + // wait a bit for the entire message to arrive delay(100); + // clear the screen lcd.clear(); + // read all the available characters while (Serial.available() > 0) { + // display each character to the LCD lcd.write(Serial.read()); } } |