https://wiki.erikcrane.com/index.php?action=history&feed=atom&title=Keypad_con_i2c 2026-10-16T08:35:02Z Historial de revisiones de esta página en la wiki MediaWiki 1.44.0 https://wiki.erikcrane.com/index.php?title=Keypad_con_i2c&diff=727&oldid=prev 2013-03-26T15:07:07Z

<p>Página creada con «= Funcionamiento Básico = Basado en la disposición de los pines de mi Keypad &lt;pre&gt; void setup(){ Serial.begin(9600); pinMode(7, OUTPUT); //1 pinMode(8, OUTPUT); //...»</p> <p><b>Página nueva</b></p><div>= Funcionamiento Básico =<br /> Basado en la disposición de los pines de mi Keypad<br /> &lt;pre&gt;<br /> void setup(){<br /> Serial.begin(9600);<br /> pinMode(7, OUTPUT); //1<br /> pinMode(8, OUTPUT); //3<br /> pinMode(9, OUTPUT); //5<br /> pinMode(6, INPUT_PULLUP); //2<br /> pinMode(5, INPUT_PULLUP); //4<br /> pinMode(4, INPUT_PULLUP); //6<br /> pinMode(3, INPUT_PULLUP); //7<br /> }<br /> void loop(){<br /> digitalWrite(7, LOW);<br /> digitalWrite(8, HIGH);<br /> digitalWrite(9, HIGH);<br /> if(digitalRead(6) == LOW) Serial.println(&quot;2&quot;);<br /> if(digitalRead(5) == LOW) Serial.println(&quot;0&quot;);<br /> if(digitalRead(4) == LOW) Serial.println(&quot;8&quot;);<br /> if(digitalRead(3) == LOW) Serial.println(&quot;5&quot;);<br /> digitalWrite(7, HIGH);<br /> digitalWrite(8, LOW);<br /> digitalWrite(9, HIGH);<br /> if(digitalRead(6) == LOW) Serial.println(&quot;1&quot;);<br /> if(digitalRead(5) == LOW) Serial.println(&quot;*&quot;);<br /> if(digitalRead(4) == LOW) Serial.println(&quot;7&quot;);<br /> if(digitalRead(3) == LOW) Serial.println(&quot;4&quot;);<br /> digitalWrite(7, HIGH);<br /> digitalWrite(8, HIGH);<br /> digitalWrite(9, LOW);<br /> if(digitalRead(6) == LOW) Serial.println(&quot;3&quot;);<br /> if(digitalRead(5) == LOW) Serial.println(&quot;#&quot;);<br /> if(digitalRead(4) == LOW) Serial.println(&quot;9&quot;);<br /> if(digitalRead(3) == LOW) Serial.println(&quot;6&quot;);<br /> <br /> }<br /> &lt;/pre&gt;</div>

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