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Wednesday, March 6, 2013

Arduino Workshop - Serial LCD Project 2: Parallax Serial LCD


Hardware Required:

  • Arduino Uno board
  • Parallax 16x2 Serial LCD

    Hardware Required

Schematic:


Schematic

Use the breadboard to connect a Parallax serial LCD module. Insert the three pins on the back into the breadboard, then run patch wires from the data, +5v, and Ground.

Hello World


Project Steps:
  1. Insert the 3 pins on the rear of the LCD module into the breadboard
  2. When mounted like the photo, the top pin is the data, center is +5v, and bottom pin is ground. Data connects to pin 2, +5v connects to +5 and Ground connects to GND.
    *optional: use a 3-socket connector with wires to connect the LCD directly to the Arduino
    module
  3. Connect three patch wires between the LCD module to the Arduino pins identified in the schematic
  4. Connect the Arduino unit to your computer with the USB cable
  5. Open the appropriate Hello World sketch into the Arduino software and upload it to your module to test the LCD display.
Things to try: (Arduino Sketch examples)

  • HelloWorld - Basic communication test
  • AutoWrap - demonstrates display's automatic text wrap feature
  • Blink - Change block cursor style: blinking or non-blinking
  • CustomCharacter - Demonstrates creating and displaying custom characters
  • Display - demonstrates turning the display text on & off (hide, unhide)
  • FakeRPM - demonstrates direct cursor positioning to update message detail
  • RandomMessage - Randomly change a text message on the display
For more assistance contact Technical Support here.

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