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40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
/*
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* Author: Zion Orent <zorent@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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//Load UPM module
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var moisture = require('jsupm_moisture');
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// Instantiate a Moisture sensor on analog pin A0
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var myMoistureObj = new moisture.Moisture(0);
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// Values (approximate):
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// 0-300, sensor in air or dry soil
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// 300-600, sensor in humid soil
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// 600+, sensor in wet soil or submerged in water
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// Read the value every second and print the corresponding moisture level
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setInterval(function() {
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var result;
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var moisture_val = parseInt(myMoistureObj.value());
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if (moisture_val >= 0 && moisture_val < 300)
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result = "Dry";
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else if (moisture_val >= 300 && moisture_val < 600)
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result = "Moist";
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else
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result = "Wet";
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console.log("Moisture value: " + moisture_val + ", " + result);
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}, 1000);
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// Print message when exiting
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process.on('SIGINT', function() {
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console.log("Exiting...");
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process.exit(0);
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});
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