1 | /*
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2 | ReadWeatherStation
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3 |
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4 | Reads the latest weather data every 60 seconds from the public MathWorks
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5 | weather station in Natick, MA https://thingspeak.com/channels/12397 on ThingSpeak.
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6 |
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7 | ThingSpeak ( https://www.thingspeak.com ) is a free IoT service for prototyping
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8 | systems that collect, analyze, and react to their environments.
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9 |
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10 | Copyright 2016, The MathWorks, Inc.
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11 |
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12 | Documentation for the ThingSpeak Communication Library for Arduino is in the extras/documentation folder where the library was installed.
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13 | See the accompaning licence file for licensing information.
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14 | */
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15 |
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16 | #ifdef SPARK
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17 | #include "ThingSpeak/ThingSpeak.h"
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18 | #else
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19 | #include "ThingSpeak.h"
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20 | #endif
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21 |
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22 | /// ***********************************************************************************************************
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23 | // This example selects the correct library to use based on the board selected under the Tools menu in the IDE.
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24 | // Yun, Wired Ethernet shield, wi-fi shield, esp8266, and Spark are all supported.
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25 | // With Uno and Mega, the default is that you're using a wired ethernet shield (http://www.arduino.cc/en/Main/ArduinoEthernetShield)
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26 | // If you're using a wi-fi shield (http://www.arduino.cc/en/Main/ArduinoWiFiShield), uncomment the line below
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27 | // ***********************************************************************************************************
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28 | //#define USE_WIFI_SHIELD
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29 | #ifdef ARDUINO_ARCH_AVR
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30 |
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31 | #ifdef ARDUINO_AVR_YUN
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32 | #include "YunClient.h"
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33 | YunClient client;
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34 | #else
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35 |
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36 | #ifdef USE_WIFI_SHIELD
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37 | #include <SPI.h>
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38 | // ESP8266 USERS -- YOU MUST COMMENT OUT THE LINE BELOW. There's a bug in the Arduino IDE that causes it to not respect #ifdef when it comes to #includes
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39 | // If you get "multiple definition of `WiFi'" -- comment out the line below.
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40 | #include <WiFi.h>
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41 | char ssid[] = "<YOURNETWORK>"; // your network SSID (name)
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42 | char pass[] = "<YOURPASSWORD>"; // your network password
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43 | int status = WL_IDLE_STATUS;
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44 | WiFiClient client;
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45 | #else
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46 | // Use wired ethernet shield
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47 | #include <SPI.h>
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48 | #include <Ethernet.h>
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49 | byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};
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50 | EthernetClient client;
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51 | #endif
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52 | #endif
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53 | #endif
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54 |
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55 | #ifdef ARDUINO_ARCH_ESP8266
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56 | #include <ESP8266WiFi.h>
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57 | char ssid[] = "<YOURNETWORK>"; // your network SSID (name)
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58 | char pass[] = "<YOURPASSWORD>"; // your network password
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59 | int status = WL_IDLE_STATUS;
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60 | WiFiClient client;
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61 | #endif
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62 |
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63 | // On Particle Core, Photon, and Electron the results are published to the Particle dashboard using events.
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64 | // Go to http://dashboard.particle.io, click on the logs tab, and you'll see the events coming in.
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65 | #ifdef SPARK
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66 | TCPClient client;
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67 | #endif
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68 |
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69 | /*
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70 | This is the ThingSpeak channel number for the MathwWorks weather station
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71 | https://thingspeak.com/channels/12397. It senses a number of things and puts them in the eight
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72 | field of the channel:
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73 | Field 1 - Wind Direction (degrees where 0 is North)
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74 | Field 2 - Wind Speed (MPH)
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75 | Field 3 - Humidity (%RH)
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76 | Field 4 - Temperature (Degrees F)
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77 | Field 5 - Rainfall (inches since last measurement)
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78 | Field 6 - Atmospheric Pressure (inHg)
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79 | */
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80 | unsigned long weatherStationChannelNumber = 12397;
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81 |
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82 | void setup() {
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83 | #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_ESP8266)
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84 | Serial.begin(9600);
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85 | #ifdef ARDUINO_AVR_YUN
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86 | Bridge.begin();
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87 | #else
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88 | #if defined(USE_WIFI_SHIELD) || defined(ARDUINO_ARCH_ESP8266)
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89 | WiFi.begin(ssid, pass);
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90 | #else
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91 | Ethernet.begin(mac);
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92 | #endif
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93 | #endif
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94 | #endif
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95 |
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96 | ThingSpeak.begin(client);
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97 | }
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98 |
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99 | void loop() {
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100 | float windDirection = ThingSpeak.readFloatField(weatherStationChannelNumber,1);
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101 | float windSpeed = ThingSpeak.readFloatField(weatherStationChannelNumber,2);
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102 | float humidity = ThingSpeak.readFloatField(weatherStationChannelNumber,3);
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103 | float temperature = ThingSpeak.readFloatField(weatherStationChannelNumber,4);
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104 | float rainfall = ThingSpeak.readFloatField(weatherStationChannelNumber,5);
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105 | float pressure = ThingSpeak.readFloatField(weatherStationChannelNumber,6);
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106 |
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107 | #if defined(ARDUINO_ARCH_AVR) || defined(ARDUINO_ARCH_ESP8266)
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108 | Serial.println("======================================");
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109 | Serial.println("Current weather conditions in Natick: ");
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110 | Serial.print(temperature);
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111 | Serial.print(" degrees F, ");
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112 | Serial.print(humidity);
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113 | Serial.println("% humidity");
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114 | Serial.print("Wind at ");
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115 | Serial.print(windSpeed);
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116 | Serial.print(" MPH at ");
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117 | Serial.print(windDirection);
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118 | Serial.println(" degrees");
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119 | Serial.print("Pressure is ");
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120 | Serial.print(pressure);
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121 | Serial.print(" inHg");
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122 | if(rainfall > 0)
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123 | {
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124 | Serial.print(", and it's raining");
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125 | }
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126 | Serial.println();
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127 | #endif
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128 | #ifdef SPARK
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129 | Particle.publish("thingspeak-weather", "Current weather conditions in Natick: ",60,PRIVATE);
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130 | Particle.publish("thingspeak-weather", String(temperature) + " degrees F, " + String(humidity) + "% humidity",60,PRIVATE);
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131 | Particle.publish("thingspeak-weather", "Wind at " + String(windSpeed) + " MPH at " + String (windDirection) + " degrees",60,PRIVATE);
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132 | if(rainfall > 0)
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133 | {
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134 | Particle.publish("thingspeak-weather", "Pressure is " + String(pressure) + " inHg, and it's raining",60,PRIVATE);
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135 | }
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136 | else
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137 | {
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138 | Particle.publish("thingspeak-weather", "Pressure is " + String(pressure) + " inHg",60,PRIVATE);
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139 | }
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140 | #endif
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141 |
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142 | delay(60000); // Note that the weather station only updates once a minute
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143 |
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144 | }
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