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<refnamediv>
<refname>DIGITAL_READ_SB</refname>
<refpurpose>Allows to receive a logical value 0 or 1 on a given port.</refpurpose>
</refnamediv>
<refsection>
<title>Block Screenshot</title>
<para>
<inlinemediaobject>
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<refsection id="Contents_DIGITAL_READ_SB">
<title>Contents</title>
<itemizedlist>
<listitem>
<para>
<link linkend="DIGITAL_READ_SB">Allows to receive a logical value 0 or 1 on a given port.</link>
</para>
</listitem>
<listitem>
<itemizedlist>
<listitem>
<para>
<xref linkend="Palette_DIGITAL_READ_SB">Palette</xref>
</para>
</listitem>
<listitem>
<para>
<xref linkend="Description_DIGITAL_READ_SB">Description</xref>
</para>
</listitem>
<listitem>
<para>
<xref linkend="Dialogbox_DIGITAL_READ_SB">Dialog box</xref>
</para>
</listitem>
<listitem>
<para>
<xref linkend="Example1_DIGITAL_READ_SB">Example 1</xref>
</para>
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<listitem>
<para>
<xref linkend="Seealso_DIGITAL_READ_SB">See Also</xref>
</para>
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</listitem>
</itemizedlist>
</refsection>
<refsection id="Palette_DIGITAL_READ_SB">
<title>Palette</title>
Arduino
</refsection>
<refsection id="Description_DIGITAL_READ_SB">
<title>Description</title>
<para> The Arduino board has a set of logical ports (digital) that are used for writing or reading data from a component. </para>
<para> To map a UNO, ports 2-13 are available (0 and 1 are used for serial transmission). For MEGA board, ports 2-53 are available. The port takes the low logic level (0) or logic high (1) which corresponds to the reference voltage. </para>
<para> Do note that the minimum sampling rate is 8 ms for this block. </para>
</refsection>
<refsection id="Dialogbox_DIGITAL_READ_SB">
<title>Dialog box</title>
<inlinemediaobject> <imageobject> <imagedata fileref="DIGITAL_READ_SB_dialogbox.png" align="center"/> </imageobject> </inlinemediaobject>
<para> The digital port number is between 2 and 53, chosen based on his Arduino. </para>
<para> The card number can not be changed at this time. </para>
</refsection>
<refsection id="Example1_DIGITAL_READ_SB">
<title>Example 1</title>
<para> The example below shows the use of the block in the case of an assembly consisting of a switch which is connected to a digital pin 7 and a LED which connected to digital port 10. Pressing the button causes the LED to light up. </para>
<inlinemediaobject> <imageobject> <imagedata fileref="DIGITAL_exemple.png" align="center"/> </imageobject> </inlinemediaobject>
</refsection>
<refsection id="Seealso_DIGITAL_READ_SB">
<title>See Also</title>
<para>
<link linkend="ANALOG_READ_SB">ANALOG_READ_SB</link>
</para>
<para>
<link linkend="ANALOG_WRITE_SB">ANALOG_WRITE_SB</link>
</para>
<para>
<link linkend="DIGITAL_WRITE_SB">DIGITAL_WRITE_SB</link>
</para>
</refsection>
</refentry>
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