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26 lines
1011 B
Markdown
26 lines
1011 B
Markdown
node-red-node-suncalc
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=====================
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A <a href="http://nodered.org" target="_new">Node-RED</a> node to provide a signal at sunrise and sunset.
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Install
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-------
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Run the following command in the root directory of your Node-RED install
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npm install node-red-node-suncalc
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Usage
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-----
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Uses the suncalc npm to generate an output at sunrise and sunset based on a specified location.
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Several choices of definition of sunrise and sunset are available, see the <i><a href = "https://github.com/mourner/suncalc" target="_new">suncalc</a></i> module for details.
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The node provide two outputs. The first output emits a <b>msg.payload</b> of <i>1</i> or <i>0</i> every minute depending if day-time (1) or night-time (0).
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The second output emits only on the transition between night to day (<i>-> 1</i>) or day to night (<i>-> 0</i>).
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It also sets the <b>msg.topic</b> to <i>sun</i> and <b>msg.moon</b> to the fraction of the moon currently visible (a value between 0 for no moon and 1 for full moon).</p>
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