node-red-contrib-smartnode-dfrobot/dfrobot-common/buzzer/locales/en-US/buzzer.html

this project dependences the node-red-contrib-smartnode package for basic function. based on the smartnode package, this package provide some sersor nodes for DFRobot sensors.

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<script type="text/x-red" data-help-name="DF-Buzzer">
<h3 id="蜂鸣器节点">蜂鸣器节点</h3>

<p>本节点表示grove套件的蜂鸣器模块。</p>

<h4 id="参数配置">参数配置</h4>

<ol>
<li>Name：节点名称</li>
<li>PWM Pin：PWM引脚</li>
<li>Tone(1~7)：音调，范围为1~7</li>
</ol>

<h4 id="输入量">输入量</h4>

<ol>
<li>msg.payload：输入1或者0，1表示打开，0表示关闭</li>
</ol>

<h4 id="输出量">输出量</h4>

<ol>
<li>msg.payload：输出1或者0，1表示蜂鸣器响，0表示蜂鸣器关闭</li>
</ol>

<h4 id="使用方法">使用方法</h4>

<ol>
<li>配置好节点的每个参数，选择蜂鸣器发出的音调。</li>
<li>当输入<code>msg.payload</code>为1时，蜂鸣器响，蜂鸣器节点输出<code>msg.payload</code>为1，当输入<code>msg.payload</code>为0时，蜂鸣器关，蜂鸣器节点输出<code>msg.payload</code>为0。</li>
</ol>
</script>