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	<id>https://eskolar.com/apa/index.php?action=history&amp;feed=atom&amp;title=7_bit_LED_segment</id>
	<title>7 bit LED segment - Laptörténet</title>
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	<updated>2026-05-14T16:32:15Z</updated>
	<subtitle>Az oldal laptörténete a wikiben</subtitle>
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	<entry>
		<id>https://eskolar.com/apa/index.php?title=7_bit_LED_segment&amp;diff=5956&amp;oldid=prev</id>
		<title>Wabe: /* Original code for Arduino */</title>
		<link rel="alternate" type="text/html" href="https://eskolar.com/apa/index.php?title=7_bit_LED_segment&amp;diff=5956&amp;oldid=prev"/>
		<updated>2014-05-31T08:01:06Z</updated>

		<summary type="html">&lt;p&gt;&lt;span class=&quot;autocomment&quot;&gt;Original code for Arduino&lt;/span&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
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				&lt;tr class=&quot;diff-title&quot; lang=&quot;hu&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Régebbi változat&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;A lap 2014. május 31., 08:01-kori változata&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot;&gt;3. sor:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;3. sor:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Original code for Arduino ===&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;=== Original code for Arduino ===&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br /&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Project by [http://www.hacktronics.com/Tutorials/arduino-and-7-segment-led.html hacktronics].&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;source lang=&amp;quot;c&amp;quot; collapse=&amp;quot;true&amp;quot; first-line=&amp;quot;1&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;source lang=&amp;quot;c&amp;quot; collapse=&amp;quot;true&amp;quot; first-line=&amp;quot;1&amp;quot;&amp;gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Wabe</name></author>
	</entry>
	<entry>
		<id>https://eskolar.com/apa/index.php?title=7_bit_LED_segment&amp;diff=5955&amp;oldid=prev</id>
		<title>Wabe: Új oldal, tartalma: „ == Program == === Original code for Arduino ===  &lt;source lang=&quot;c&quot; collapse=&quot;true&quot; first-line=&quot;1&quot;&gt;  // Arduino 7 segment display example software // http://www.hacktron…”</title>
		<link rel="alternate" type="text/html" href="https://eskolar.com/apa/index.php?title=7_bit_LED_segment&amp;diff=5955&amp;oldid=prev"/>
		<updated>2014-05-31T07:56:25Z</updated>

		<summary type="html">&lt;p&gt;Új oldal, tartalma: „ == Program == === Original code for Arduino ===  &amp;lt;source lang=&amp;quot;c&amp;quot; collapse=&amp;quot;true&amp;quot; first-line=&amp;quot;1&amp;quot;&amp;gt;  // Arduino 7 segment display example software // http://www.hacktron…”&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Új lap&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&lt;br /&gt;
== Program ==&lt;br /&gt;
=== Original code for Arduino ===&lt;br /&gt;
&lt;br /&gt;
&amp;lt;source lang=&amp;quot;c&amp;quot; collapse=&amp;quot;true&amp;quot; first-line=&amp;quot;1&amp;quot;&amp;gt;&lt;br /&gt;
&lt;br /&gt;
// Arduino 7 segment display example software&lt;br /&gt;
// http://www.hacktronics.com/Tutorials/arduino-and-7-segment-led.html&lt;br /&gt;
// License: http://www.opensource.org/licenses/mit-license.php (Go crazy)&lt;br /&gt;
 &lt;br /&gt;
// Define the LED digit patters, from 0 - 9&lt;br /&gt;
// Note that these patterns are for common cathode displays&lt;br /&gt;
// For common anode displays, change the 1&amp;#039;s to 0&amp;#039;s and 0&amp;#039;s to 1&amp;#039;s&lt;br /&gt;
// 1 = LED on, 0 = LED off, in this order:&lt;br /&gt;
//                                    Arduino pin: 2,3,4,5,6,7,8&lt;br /&gt;
byte seven_seg_digits[10][7] = { { 1,1,1,1,1,1,0 },  // = 0&lt;br /&gt;
                                                           { 0,1,1,0,0,0,0 },  // = 1&lt;br /&gt;
                                                           { 1,1,0,1,1,0,1 },  // = 2&lt;br /&gt;
                                                           { 1,1,1,1,0,0,1 },  // = 3&lt;br /&gt;
                                                           { 0,1,1,0,0,1,1 },  // = 4&lt;br /&gt;
                                                           { 1,0,1,1,0,1,1 },  // = 5&lt;br /&gt;
                                                           { 1,0,1,1,1,1,1 },  // = 6&lt;br /&gt;
                                                           { 1,1,1,0,0,0,0 },  // = 7&lt;br /&gt;
                                                           { 1,1,1,1,1,1,1 },  // = 8&lt;br /&gt;
                                                           { 1,1,1,0,0,1,1 }   // = 9&lt;br /&gt;
                                                           };&lt;br /&gt;
&lt;br /&gt;
void setup() {                &lt;br /&gt;
  pinMode(2, OUTPUT);   &lt;br /&gt;
  pinMode(3, OUTPUT);&lt;br /&gt;
  pinMode(4, OUTPUT);&lt;br /&gt;
  pinMode(5, OUTPUT);&lt;br /&gt;
  pinMode(6, OUTPUT);&lt;br /&gt;
  pinMode(7, OUTPUT);&lt;br /&gt;
  pinMode(8, OUTPUT);&lt;br /&gt;
  pinMode(9, OUTPUT);&lt;br /&gt;
  writeDot(0);  // start with the &amp;quot;dot&amp;quot; off&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void writeDot(byte dot) {&lt;br /&gt;
  digitalWrite(9, dot);&lt;br /&gt;
}&lt;br /&gt;
    &lt;br /&gt;
void sevenSegWrite(byte digit) {&lt;br /&gt;
  byte pin = 2;&lt;br /&gt;
  for (byte segCount = 0; segCount &amp;lt; 7; ++segCount) {&lt;br /&gt;
    digitalWrite(pin, seven_seg_digits[digit][segCount]);&lt;br /&gt;
    ++pin;&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void loop() {&lt;br /&gt;
  for (byte count = 10; count &amp;gt; 0; --count) {&lt;br /&gt;
   delay(1000);&lt;br /&gt;
   sevenSegWrite(count - 1); &lt;br /&gt;
  }&lt;br /&gt;
  delay(4000);&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;/source&amp;gt;&lt;/div&gt;</summary>
		<author><name>Wabe</name></author>
	</entry>
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