/* * Author: Stefan Andritoiu * 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 */ public class TP401_Example { private static String airQuality(int value) { if (value < 50) return "Fresh Air"; if (value < 200) return "Normal Indoor Air"; if (value < 400) return "Low Pollution"; if (value < 600) return "High Pollution - Action Recommended"; return "Very High Pollution - Take Action Immediately"; } public static void main(String[] args) throws InterruptedException { // ! [Interesting] // Instantiate new grove air quality sensor on analog pin A0 upm_gas.TP401 airSensor = new upm_gas.TP401(0); System.out.println(airSensor.name()); System.out.println("Heating sensor for 3 minutes..."); // wait 3 minutes for sensor to warm up for (int i = 0; i < 3; i++) { if (i != 0) System.out.println("Please wait, " + i + " minute(s) passed.."); Thread.sleep(60000); } System.out.println("Sensor ready!"); while (true) { int value = airSensor.getSample(); // Read raw value float ppm = airSensor.getPPM(); // Read CO ppm (can vary slightly // from previous read) System.out.println("raw: " + value + " ppm: " + ppm + " " + airQuality(value)); Thread.sleep(100); } // ! [Interesting] } }