I2C LCD1602 Module

I2C LCD1602 Module

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US$9.99
SKU: CN0133
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Exactly as pictures, and it works exactly as described. By D. Michael 2018-05-17 17:46:20

Exactly as pictures, and it works exactly as described. The link in the description goes to a wiki page where I downloaded the library, used the wiring diagram, and copied sample code. It worked first try. I also opened the keywords.txt file and played with some of the keywords in it.

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This worked perfectly when connecting to a Particle Photon. By Petrofsky 2018-05-17 17:10:30

"This worked perfectly when connecting to a Particle Photon. I2C Address is 0x27, and I used 5K pull-up resistors on the SDA and SCI lines. The display is nice and bright. It was seriously easy to use.

Below is the test program I used from Particle (search the Particle.IO library for LiquidCrystal_I2C_Spark.h"":

/*
8-Feb-2015
Jim Brower
bulldoglowell@gmail.com
*/

#include ""LiquidCrystal_I2C_Spark.h""

LiquidCrystal_I2C *lcd;

int lastSecond = 0;

void setup(void)
{
Serial.begin(9600);
lcd = new LiquidCrystal_I2C(0x27, 16, 4);
lcd->init();
lcd->backlight();
lcd->clear();
lcd->print(""***Spark Time***"");
}

void loop(void)
{
if (Time.second() != lastSecond)
{
Serial.print(Time.timeStr());
lcd->setCursor(0,1);
lcd->print(Time.hour() < 10? "" 0"" : "" "");
lcd->print(Time.hour());
lcd->print(Time.minute() < 10? "":0"": "":"");
lcd->print(Time.minute());
lcd->print(Time.second() < 10? "":0"": "":"");
lcd->print(Time.second());
lastSecond = Time.second();
}
}"

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Great By Michael 2018-05-06 21:40:19

I purchased the SunFounder IIC I2C TWI Serial 2004 20x4 LCD Module Shield for Arduino Uno Mega2560
earlier in 2017. The I2C interface promised a much cleaner interface than the standard one.
Well worth the price difference but initially I was at a loss to find drivers and example code to drive it.
Finially I discovered this code fragment that initializes the board. It works with version 1.1.2 of
the LiquidCrystal_I2C library by Frank de Brabander which is included in version 1.8.2 of the Arduino IDE

#include <Wire.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,20,4);

void setup()
{
Wire.begin();
lcd.init();
lcd.backlight();

}

Using this with code I already had I was able to get them to work with the new board.

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Easy once you get the libraries straightened out. By Turner 2016-05-27 17:27:16

GREAT DISPLAY !!! AND A GREAT PRICE !

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I2C LCD1602 Module