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47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2016 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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var sensorObj = require('jsupm_dfrec');
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// Instantiate a DFRobot EC sensor on analog pin A0, with a ds18b20
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// temperature sensor connected to UART 0, and a device index (for
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// the ds1820b uart bus) of 0, and an analog reference voltage of
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// 5.0.
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var sensor = new sensorObj.DFREC(0, 0, 0, 5.0);
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// Every 2 seconds, update and print values
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setInterval(function()
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{
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sensor.update();
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console.log("EC = "
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+ sensor.getEC()
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+ " ms/cm");
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console.log("Volts = "
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+ sensor.getVolts()
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+ ", Temperature = "
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+ sensor.getTemperature()
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+ " C");
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console.log();
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}, 2000);
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// exit on ^C
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process.on('SIGINT', function()
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{
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sensor = null;
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sensorObj.cleanUp();
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sensorObj = null;
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console.log("Exiting.");
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process.exit(0);
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});
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