LCD 2x16 , Serial Interface

This is the latest evolution of our serial LCD. Included on a single board is a 16x2 LCD and an embedded circuit based around a PIC 16F88. The on-board PIC takes a TTL serial input and prints the characters it receives onto the LCD. The installed firmware also allows for a number of special commands so you can clear the screen, adjust the backlight brightness, turn the display on/off, and more. Communication with SerLCD requires 5V TTL serial at a default baud rate of 9600bps (8-N-1). You can adjust the baud to any standard rate between 2400 and 38400bps. The power (VDD), ground (GND) and RX pins are all broken out to both a 0.1" pitch header as well as a 3-pin JST connector. SerLCD has the ability to dim the backlight to conserve power if needed. There is also a potentiometer on the back of the display to adjust the contrast.

Quick Spec

• Embedded PIC 16F88 utilizes onboard UART for greater communication accuracy
• Adjustable baud rates of 2400, 4800, 9600 (default), 14400, 19200 and 38400
• Operational Backspace
• Greater processing speed at 10MHz
• Incoming buffer stores up to 80 characters
• Backlight transistor can handle up to 1A
• Pulse width modulation of backlight allows direct control of backlight brightness and current consumption
• All surface mount design allows a backpack that is half the size of the original
• Faster boot-up time
• Boot-up display can be turned on/off via firmware
• User definable splash screen

Sample Code

#include 

// Attach the serial display's RX line to digital pin 2
SoftwareSerial mySerial(3,2); // pin 2 = TX, pin 3 = RX (unused)

void setup()
{
  mySerial.begin(9600); // set up serial port for 9600 baud
  delay(500); // wait for display to boot up
}

void loop()
{
  mySerial.write(254); // move cursor to beginning of first line
  mySerial.write(128);

  mySerial.write("                "); // clear display
  mySerial.write("                ");

  mySerial.write(254); // move cursor to beginning of first line
  mySerial.write(128);
 
  mySerial.write("Hello, world!");

  while(1); // wait forever
}

Resources

• Schematic
• Eagle Files
• SerLCD v2.5 Datasheet
• Firmware
• Dimensional Drawing
• Detailed Drawing and Pinout
• Quickstart Guide

Shipping List

• 1 x LCD 2x16 , Serial Interface