/* * Author: Jon Trulson * Copyright (c) 2015 Intel Corporation. * * This program and the accompanying materials are made available under the * terms of the The MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT */ var ad8232Sensor_lib = require('jsupm_ad8232'); // Instantiate a AD8232 sensor on digital pins 10 (LO+), 11 (LO-) // and an analog pin, 0 (OUTPUT) var myAd8232Sensor_obj = new ad8232Sensor_lib.AD8232(10, 11, 0); // Output the raw numbers from the ADC, for plotting elsewhere. // A return of 0 indicates a Lead Off (LO) condition. // In theory, this data could be fed to software like Processing // (https://www.processing.org/) to plot the data just like an // EKG you would see in a hospital. var myInterval = setInterval(function() { console.log(myAd8232Sensor_obj.value()); }, 1); // Print message when exiting process.on('SIGINT', function() { clearInterval(myInterval); myAd8232Sensor_obj = null; ad8232Sensor_lib.cleanUp(); ad8232Sensor_lib = null; console.log("Exiting"); process.exit(0); });