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		<id>https://wiki.robotika.sk/robowiki/index.php?action=history&amp;feed=atom&amp;title=LED_and_Buzzer_-_Code</id>
		<title>LED and Buzzer - Code - Revision history</title>
		<link rel="self" type="application/atom+xml" href="https://wiki.robotika.sk/robowiki/index.php?action=history&amp;feed=atom&amp;title=LED_and_Buzzer_-_Code"/>
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		<updated>2026-05-05T03:34:37Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
		<generator>MediaWiki 1.30.0</generator>

	<entry>
		<id>https://wiki.robotika.sk/robowiki/index.php?title=LED_and_Buzzer_-_Code&amp;diff=11300&amp;oldid=prev</id>
		<title>Robot at 10:29, 6 June 2024</title>
		<link rel="alternate" type="text/html" href="https://wiki.robotika.sk/robowiki/index.php?title=LED_and_Buzzer_-_Code&amp;diff=11300&amp;oldid=prev"/>
				<updated>2024-06-06T10:29:02Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr style=&quot;vertical-align: top;&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 10:29, 6 June 2024&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-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Return back to project page: [[Spike Prime - &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Line Following &lt;/del&gt;Car - Jakub Vojtek| &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;Line Following &lt;/del&gt;Car - Jakub Vojtek]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; 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;Return back to project page: [[Spike Prime - &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Remote Controlled &lt;/ins&gt;Car - Jakub Vojtek| &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;Remote Controlled &lt;/ins&gt;Car - Jakub Vojtek]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Python code for the Line Following Car project:&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Python code for the Line Following Car project:&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Robot</name></author>	</entry>

	<entry>
		<id>https://wiki.robotika.sk/robowiki/index.php?title=LED_and_Buzzer_-_Code&amp;diff=11299&amp;oldid=prev</id>
		<title>Robot: Created page with &quot;Return back to project page:  Line Following Car - Jakub Vojtek  Python code for the Line Following Car project: &lt;syntaxhig...&quot;</title>
		<link rel="alternate" type="text/html" href="https://wiki.robotika.sk/robowiki/index.php?title=LED_and_Buzzer_-_Code&amp;diff=11299&amp;oldid=prev"/>
				<updated>2024-06-06T10:28:32Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;quot;Return back to project page: &lt;a href=&quot;/robowiki/index.php?title=Spike_Prime_-_Line_Following_Car_-_Jakub_Vojtek&quot; title=&quot;Spike Prime - Line Following Car - Jakub Vojtek&quot;&gt; Line Following Car - Jakub Vojtek&lt;/a&gt;  Python code for the Line Following Car project: &amp;lt;syntaxhig...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;Return back to project page: [[Spike Prime - Line Following Car - Jakub Vojtek| Line Following Car - Jakub Vojtek]]&lt;br /&gt;
&lt;br /&gt;
Python code for the Line Following Car project:&lt;br /&gt;
&amp;lt;syntaxhighlight lang=arduino&amp;gt; &lt;br /&gt;
int redPin = 7;&lt;br /&gt;
int greenPin = 9;&lt;br /&gt;
int bluePin = 8;&lt;br /&gt;
int buzzerPin = 3;&lt;br /&gt;
&lt;br /&gt;
bool ambulanceMode = false;&lt;br /&gt;
&lt;br /&gt;
void setup() {&lt;br /&gt;
  pinMode(redPin, OUTPUT);&lt;br /&gt;
  pinMode(greenPin, OUTPUT);&lt;br /&gt;
  pinMode(bluePin, OUTPUT);&lt;br /&gt;
  pinMode(buzzerPin, OUTPUT);&lt;br /&gt;
  Serial.begin(115200);&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void loop() {&lt;br /&gt;
  if (Serial.available() &amp;gt; 0) {&lt;br /&gt;
    char command = Serial.read();&lt;br /&gt;
    if (command == 'P') {&lt;br /&gt;
      ambulanceMode = !ambulanceMode;&lt;br /&gt;
    }&lt;br /&gt;
  }&lt;br /&gt;
&lt;br /&gt;
  if (ambulanceMode) {&lt;br /&gt;
    ambulanceLightsAndSiren();&lt;br /&gt;
  } else {&lt;br /&gt;
    noTone(buzzerPin);&lt;br /&gt;
    setColor(0, 0, 0); &lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void ambulanceLightsAndSiren() {&lt;br /&gt;
  setColor(255, 0, 0);&lt;br /&gt;
  for (int i = 700; i &amp;lt;= 800; i++) {&lt;br /&gt;
    if (i % 50 == 0) {&lt;br /&gt;
      toggleColor();&lt;br /&gt;
    }&lt;br /&gt;
    tone(buzzerPin, i);&lt;br /&gt;
    delay(15);&lt;br /&gt;
  }&lt;br /&gt;
  for (int i = 800; i &amp;gt;= 700; i--) {&lt;br /&gt;
    if (i % 50 == 0) {&lt;br /&gt;
      toggleColor();&lt;br /&gt;
    }&lt;br /&gt;
    tone(buzzerPin, i);&lt;br /&gt;
    delay(15);&lt;br /&gt;
  }&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void toggleColor() {&lt;br /&gt;
  static bool red = false;&lt;br /&gt;
  if (red) {&lt;br /&gt;
    setColor(0, 255, 0);&lt;br /&gt;
  } else {&lt;br /&gt;
    setColor(255, 0, 0);&lt;br /&gt;
  }&lt;br /&gt;
  red = !red;&lt;br /&gt;
}&lt;br /&gt;
&lt;br /&gt;
void setColor(int redValue, int greenValue, int blueValue) {&lt;br /&gt;
  analogWrite(redPin, redValue);&lt;br /&gt;
  analogWrite(greenPin, greenValue);&lt;br /&gt;
  analogWrite(bluePin, blueValue);&lt;br /&gt;
}&lt;br /&gt;
&amp;lt;/syntaxhighlight&amp;gt;&lt;/div&gt;</summary>
		<author><name>Robot</name></author>	</entry>

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