pxt-calliope/docs/reference/pins/analog-set-period.html

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<title>calliope mini - Blocks / Javascript editor - calliope</title>
<meta name="Description" content="A Blocks / JavaScript code editor for the calliope mini." />
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<meta name="twitter:description" content="A Blocks / JavaScript code editor for the calliope mini." />
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<meta property="og:description" content="A Blocks / JavaScript code editor for the calliope mini." />
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<h1 id="analog-set-period">Analog Set Period</h1>
<p>Configure the period of Pulse Width Modulation (PWM) on the specified
analog <a href="/pxt-calliope/docs/device/pins.html">pin</a>.
Before you call this function, you should set the specified pin as analog.</p>
<pre><code class="lang-sig">pins.analogSetPeriod(AnalogPin.P1, 20000)</code></pre>
<h3 id="parameters">Parameters</h3>
<ul>
<li><code>name</code>: a <a href="/pxt-calliope/docs/reference/types/string.html">string</a> that specifies the pin to configure (<code>P0</code> through <code>P4</code>, or <code>P10</code>)</li>
<li><code>micros</code>: a <a href="/pxt-calliope/docs/reference/types/number.html">number</a> that specifies the analog period in microseconds.</li>
</ul>
<p>The following code first sets <code>P0</code> to analog with <strong>analog write
pin</strong>, and then sets the PWM period of <code>P0</code> to 20,000 microseconds.</p>
<pre><code class="lang-blocks">pins.analogWritePin(AnalogPin.P1, 512)
pins.analogSetPeriod(AnalogPin.P1, 20000)</code></pre>
<h3 id="see-also">See also</h3>
<p><a href="/pxt-calliope/docs/device/pins.html">Calliope mini pins</a>,
<a href="/pxt-calliope/docs/reference/input/on-pin-pressed.html">on pin pressed</a>,
<a href="/pxt-calliope/docs/reference/pins/analog-read-pin.html">analog read pin</a>,
<a href="/pxt-calliope/docs/reference/pins/analog-write-pin.html">analog write pin</a>,
<a href="/pxt-calliope/docs/reference/pins/digital-read-pin.html">digital read pin</a>,
<a href="/pxt-calliope/docs/reference/pins/digital-write-pin.html">digital write pin</a></p>
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<p style="margin-top:1em"><a href="https://github.com/Microsoft/pxt-calliope/blob/master/docs/docs/reference/pins/analog-set-period.md"><i class="write icon"></i>Edit this page on GitHub</a></p>
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