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Merge branch 'master' of github.com:adafruit/Adafruit_IO_Arduino into esp32
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‎README.md

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# Adafruit IO Arduino Library [![Build Status](http://jenkins.adafruit.com/job/Adafruit%20IO%20Arduino/badge/icon)](http://jenkins.adafruit.com/job/Adafruit%20IO%20Arduino/)
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# Adafruit IO Arduino Library
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This library provides a simple device independent interface for interacting with [Adafruit IO](https://io.adafruit.com) using Arduino.
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It allows you to switch beween WiFi (ESP8266, M0 WINC1500, & WICED), Cellular (32u4 FONA), and Ethernet (Ethernet FeatherWing)

‎examples/adafruitio_06_digital_in/adafruitio_06_digital_in.ino

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// Adafruit IO Digital Input Example
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// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-digital-input
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing
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void setup() {
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// set button pin as an input
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pinMode(BUTTON_PIN, INPUT_PULLUP);
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pinMode(BUTTON_PIN, INPUT);
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// start the serial connection
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Serial.begin(115200);
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// grab the current state of the button.
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// we have to flip the logic because we are
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// using INPUT_PULLUP.
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// using a pullup resistor.
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if(digitalRead(BUTTON_PIN) == LOW)
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current = true;
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else

‎examples/adafruitio_07_digital_out/adafruitio_07_digital_out.ino

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// Adafruit IO Digital Output Example
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// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-digital-output
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing

‎examples/adafruitio_08_analog_in/adafruitio_08_analog_in.ino

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// Adafruit IO Analog In Example
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// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-analog-input
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing

‎examples/adafruitio_09_analog_out/adafruitio_09_analog_out.ino

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// Adafruit IO Analog Out Example
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// Tutorial Link: https://learn.adafruit.com/adafruit-io-basics-analog-output
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing
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/************************ Example Starts Here *******************************/
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// digital pin 5
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// this should correspond to a pin with PWM capability
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#define LED_PIN 5
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// the analog feed in the setup() function above.
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void handleMessage(AdafruitIO_Data *data) {
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// LED gets brighter the darker it is at the sensor
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// that means we have to invert the reading
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// from 0-1023 back to 1023-0
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int reading = 1023 - data->toInt();
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// convert the data to integer
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int reading = data->toInt();
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Serial.print("received <- ");
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Serial.println(reading);

‎examples/adafruitio_11_group_pub/adafruitio_11_group_pub.ino

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// Adafruit IO Group Publish Example
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing
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// products from Adafruit!
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//
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// Written by Todd Treece for Adafruit Industries
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// Copyright (c) 2016 Adafruit Industries
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// Licensed under the MIT license.
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//
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// All text above must be included in any redistribution.
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/************************** Configuration ***********************************/
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// edit the config.h tab and enter your Adafruit IO credentials
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// and any additional configuration needed for WiFi, cellular,
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// or ethernet clients.
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#include "config.h"
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/************************ Example Starts Here *******************************/
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// set up the group
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AdafruitIO_Group *group = io.group("example");
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int count_1 = 0;
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int count_2 = 0;
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void setup() {
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// start the serial connection
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Serial.begin(115200);
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// wait for serial monitor to open
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while(! Serial);
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// connect to io.adafruit.com
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Serial.print("Connecting to Adafruit IO");
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io.connect();
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// wait for a connection
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while(io.status() < AIO_CONNECTED) {
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Serial.print(".");
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delay(500);
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}
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// we are connected
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Serial.println();
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Serial.println(io.statusText());
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}
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void loop() {
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// io.run(); is required for all sketches.
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// it should always be present at the top of your loop
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// function. it keeps the client connected to
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// io.adafruit.com, and processes any incoming data.
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io.run();
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group->set("count-1", count_1);
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group->set("count-2", count_2);
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group->save();
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Serial.print("sending example.count-1 -> ");
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Serial.println(count_1);
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Serial.print("sending example.count-2 -> ");
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Serial.println(count_2);
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// increment the count_1 by 1
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count_1 += 1;
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// increment the count_2 by 2
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count_2 *= 2;
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// wait one second (1000 milliseconds == 1 second)
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delay(1000);
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}

‎examples/adafruitio_11_group_pub/config.h

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/************************ Adafruit IO Config *******************************/
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// visit io.adafruit.com if you need to create an account,
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// or if you need your Adafruit IO key.
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#define IO_USERNAME "your_username"
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#define IO_KEY "your_key"
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/******************************* WIFI **************************************/
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// the AdafruitIO_WiFi client will work with the following boards:
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// - HUZZAH ESP8266 Breakout -> https://www.adafruit.com/products/2471
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// - Feather HUZZAH ESP8266 -> https://www.adafruit.com/products/2821
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// - Feather M0 WiFi -> https://www.adafruit.com/products/3010
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// - Feather WICED -> https://www.adafruit.com/products/3056
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#define WIFI_SSID "your_ssid"
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#define WIFI_PASS "your_pass"
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// comment out the following two lines if you are using fona or ethernet
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#include "AdafruitIO_WiFi.h"
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AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);
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/******************************* FONA **************************************/
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// the AdafruitIO_FONA client will work with the following boards:
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// - Feather 32u4 FONA -> https://www.adafruit.com/product/3027
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// uncomment the following two lines for 32u4 FONA,
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// and comment out the AdafruitIO_WiFi client in the WIFI section
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// #include "AdafruitIO_FONA.h"
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// AdafruitIO_FONA io(IO_USERNAME, IO_KEY);
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/**************************** ETHERNET ************************************/
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// the AdafruitIO_Ethernet client will work with the following boards:
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// - Ethernet FeatherWing -> https://www.adafruit.com/products/3201
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// uncomment the following two lines for ethernet,
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// and comment out the AdafruitIO_WiFi client in the WIFI section
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// #include "AdafruitIO_Ethernet.h"
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// AdafruitIO_Ethernet io(IO_USERNAME, IO_KEY);

‎examples/adafruitio_12_group_sub/adafruitio_12_group_sub.ino

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// Adafruit IO Group Subscribe Example
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//
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// Adafruit invests time and resources providing this open source code.
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// Please support Adafruit and open source hardware by purchasing
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// products from Adafruit!
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//
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// Written by Todd Treece for Adafruit Industries
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// Copyright (c) 2016 Adafruit Industries
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// Licensed under the MIT license.
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//
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// All text above must be included in any redistribution.
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/************************** Configuration ***********************************/
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// edit the config.h tab and enter your Adafruit IO credentials
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// and any additional configuration needed for WiFi, cellular,
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// or ethernet clients.
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#include "config.h"
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/************************ Example Starts Here *******************************/
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// set up the group
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AdafruitIO_Group *group = io.group("example");
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void setup() {
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// start the serial connection
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Serial.begin(115200);
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// wait for serial monitor to open
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while(! Serial);
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// connect to io.adafruit.com
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Serial.print("Connecting to Adafruit IO");
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io.connect();
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group->onMessage("count-1", one);
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group->onMessage("count-2", two);
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// wait for a connection
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while(io.status() < AIO_CONNECTED) {
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Serial.print(".");
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delay(500);
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}
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// we are connected
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Serial.println();
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Serial.println(io.statusText());
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}
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void loop() {
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// io.run(); is required for all sketches.
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// it should always be present at the top of your loop
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// function. it keeps the client connected to
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// io.adafruit.com, and processes any incoming data.
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io.run();
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}
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// this function is called whenever a 'counter-1' message
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// is received from Adafruit IO. it was attached to
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// the counter-1 feed in the setup() function above.
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void one(AdafruitIO_Data *data) {
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Serial.print("received example.count-1 <- ");
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Serial.println(data->value());
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}
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// this function is called whenever a 'counter-2' message
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// is received from Adafruit IO. it was attached to
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// the counter-2 feed in the setup() function above.
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void two(AdafruitIO_Data *data) {
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Serial.print("received example.count-2 <- ");
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Serial.println(data->value());
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}

‎examples/adafruitio_12_group_sub/config.h

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/************************ Adafruit IO Config *******************************/
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// visit io.adafruit.com if you need to create an account,
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// or if you need your Adafruit IO key.
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#define IO_USERNAME "your_username"
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#define IO_KEY "your_key"
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/******************************* WIFI **************************************/
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// the AdafruitIO_WiFi client will work with the following boards:
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// - HUZZAH ESP8266 Breakout -> https://www.adafruit.com/products/2471
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// - Feather HUZZAH ESP8266 -> https://www.adafruit.com/products/2821
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// - Feather M0 WiFi -> https://www.adafruit.com/products/3010
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// - Feather WICED -> https://www.adafruit.com/products/3056
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#define WIFI_SSID "your_ssid"
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#define WIFI_PASS "your_pass"
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// comment out the following two lines if you are using fona or ethernet
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#include "AdafruitIO_WiFi.h"
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AdafruitIO_WiFi io(IO_USERNAME, IO_KEY, WIFI_SSID, WIFI_PASS);
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/******************************* FONA **************************************/
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// the AdafruitIO_FONA client will work with the following boards:
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// - Feather 32u4 FONA -> https://www.adafruit.com/product/3027
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// uncomment the following two lines for 32u4 FONA,
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// and comment out the AdafruitIO_WiFi client in the WIFI section
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// #include "AdafruitIO_FONA.h"
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// AdafruitIO_FONA io(IO_USERNAME, IO_KEY);
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/**************************** ETHERNET ************************************/
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// the AdafruitIO_Ethernet client will work with the following boards:
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// - Ethernet FeatherWing -> https://www.adafruit.com/products/3201
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// uncomment the following two lines for ethernet,
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// and comment out the AdafruitIO_WiFi client in the WIFI section
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// #include "AdafruitIO_Ethernet.h"
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// AdafruitIO_Ethernet io(IO_USERNAME, IO_KEY);

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