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lcd-char.html
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<html>
<head>
<title>LCD Custom Character Generator</title>
<script
src="https://code.jquery.com/jquery-3.3.1.min.js"
integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
crossorigin="anonymous"></script>
<link rel="stylesheet" href="https://unpkg.com/[email protected]/build/pure-min.css" integrity="sha384-nn4HPE8lTHyVtfCBi5yW9d20FjT8BJwUXyWZT9InLYax14RDjBj46LmSztkmNP9w" crossorigin="anonymous">
<style>
container {
padding-left: 4em;
padding-right: 4em;
}
table.lcd {
width: 200px;
height: 320px;
background-color: #87CCFF;
}
table.lcd.mini {
width: 40px;
height: 66px;
background-color: #87CCFF;
}
table.lcd td {
background-color: #65BBEE;
box-shadow: 0px 0px 1px 0px #87CCFF;
width: 20%;
height: 12.5%;
}
table.lcd.mini td {
box-shadow: none;
border: none;
}
table.lcd td.on { background-color: #224465;}
</style>
<script>
//Set array default values
var designBits = [
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0]
];
function updateCode(){
var charcode = "\r\nbyte myDesign[8] = {";
for (i=0;i<=7;i++) {
charcode+="\r\n\ 0b";
for (j=0;j<=4;j++){
charcode+=designBits[i][j];
}
if (i!=7) {
charcode+=",";
} else {
charcode+="\r\n};";
}
}
$('span.charcode').html(charcode);
}
$(function() {
$('table.lcd td.pixel').click(function() {
//Get the address of toggled cell
var column_num = parseInt( $(this).index() ) + 1;
var row_num = parseInt( $(this).parent().index() );
//Update the editor and preview
$(this).toggleClass( "on" );
$('table.lcd.mini tr:eq('+row_num+') td:nth-child('+column_num+')').toggleClass( "on" );
//Update the array
if ( $(this).hasClass( "on" ) ) {
designBits[row_num][column_num-1]=1;
} else {
designBits[row_num][column_num-1]=0;
}
//Update the sample code
updateCode();
});
$('#clear').click(function(){
designBits = [
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0],
[0,0,0,0,0]
];
$('td').removeClass("on");
updateCode();
});
//Initial Code
updateCode();
});
</script>
</head>
<body>
<div class="container">
<div class="pure-g">
<div class="pure-u-1">
<h1>Custom LCD Character Generator</h1>
<p>Click the pixel to turn it on or off. The code will automatically update on the right side.</p>
<p>Designed fand tested with the YW Robot LCM1602 IIC V1 module along with the <a href="https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads/">New LiquidCrystal v1.3.5</a> Library.</p>
</div>
<div class="pure-u-1-5">
<table class="lcd">
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"</td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
</table>
<hr>
<div class="container pure-g">
<div class="pure-u-1-4"></div>
<div class="pure-u-1-4">
<table class="lcd mini">
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"</td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
<tr>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
<td class="pixel"></td>
</tr>
</table>
</div>
<div class="pure-u-1-2">
<button class="pure-button" id="clear">Reset</button>
</div>
</div>
</div>
<div class="pure-u-4-5">
<pre>
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,2,1,0,4,5,6,7,3,POSITIVE);
<span class="charcode">
byte myDesign[8] = {
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000,
0b00000
};
</span>
void setup() {
lcd.begin(16,2);
lcd.createChar(0, myDesign);
lcd.clear();
lcd.write((byte)0);
}
void loop() {
}
</pre>
</div>
</div>
</div>
</body>
</html>