first commit

libraries/Blynk/examples/More/DHT11/DHT11.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how value can be pushed from Arduino to
+  the Blynk App.
+
+  WARNING:
+  For this example you'll need Adafruit DHT sensor libraries:
+    https://github.com/adafruit/Adafruit_Sensor
+    https://github.com/adafruit/DHT-sensor-library
+
+  App dashboard setup:
+    Value Display widget attached to V5
+    Value Display widget attached to V6
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+#include <DHT.h>
+
+#define DHTPIN 2          // What digital pin we're connected to
+
+// Uncomment whatever type you're using!
+#define DHTTYPE DHT11     // DHT 11
+//#define DHTTYPE DHT22   // DHT 22, AM2302, AM2321
+//#define DHTTYPE DHT21   // DHT 21, AM2301
+
+DHT dht(DHTPIN, DHTTYPE);
+BlynkTimer timer;
+
+// This function sends Arduino's up time every second to Virtual Pin (5)
+void sendSensor()
+{
+  float h = dht.readHumidity();
+  float t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
+
+  if (isnan(h) || isnan(t)) {
+    Serial.println("Failed to read from DHT sensor!");
+    return;
+  }
+  // You can send any value at any time.
+  // Please don't send more that 10 values per second.
+  Blynk.virtualWrite(V5, h);
+  Blynk.virtualWrite(V6, t);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  dht.begin();
+
+  // Setup a function to be called every second
+  timer.setInterval(1000L, sendSensor);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/FormatString/FormatString.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  You can construct and display any strings on a Value Display.
+
+  App dashboard setup:
+    Value Display widget attached to V5
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BlynkTimer timer;
+
+// This function sends Arduino's up time every second to Virtual Pin (5)
+void sendTemperature()
+{
+  // Generate random temperature value 10.0 to 30.0 (for example)
+  float t = float(random(100, 300)) / 10;
+
+  // Format: 1 decimal place, add ℃
+  String str = String(t, 1) + "℃";
+
+  // Send it to the server
+  Blynk.virtualWrite(V5, str);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  // Setup a function to be called every second
+  timer.setInterval(1000L, sendTemperature);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/HandleDisconnect/HandleDisconnect.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how to keep WiFi connection on ESP8266.
+
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <ESP8266WiFi.h>
+#include <BlynkSimpleEsp8266.h>
+
+// Your WiFi credentials.
+// Set password to "" for open networks.
+char ssid[] = "YourNetworkName";
+char pass[] = "YourPassword";
+
+
+int lastConnectionAttempt = millis();
+int connectionDelay = 5000; // try to reconnect every 5 seconds
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
+}
+
+void loop()
+{
+  // check WiFi connection:
+  if (WiFi.status() != WL_CONNECTED)
+  {
+    // (optional) "offline" part of code
+
+    // check delay:
+    if (millis() - lastConnectionAttempt >= connectionDelay)
+    {
+      lastConnectionAttempt = millis();
+
+      // attempt to connect to Wifi network:
+      if (pass && strlen(pass))
+      {
+        WiFi.begin((char*)ssid, (char*)pass);
+      }
+      else
+      {
+        WiFi.begin((char*)ssid);
+      }
+    }
+  }
+  else
+  {
+    Blynk.run();
+  }
+}

libraries/Blynk/examples/More/NeoPixel/NeoPixel.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  Control a color gradient on NeoPixel strip using a slider!
+
+  For this example you need NeoPixel library:
+    https://github.com/adafruit/Adafruit_NeoPixel
+
+  App dashboard setup:
+    Slider widget (0...500) on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+#include <Adafruit_NeoPixel.h>
+
+#define PIN 8
+
+Adafruit_NeoPixel strip = Adafruit_NeoPixel(30, PIN, NEO_GRB + NEO_KHZ800);
+
+// Input a value 0 to 255 to get a color value.
+// The colours are a transition r - g - b - back to r.
+uint32_t Wheel(byte WheelPos) {
+  if (WheelPos < 85) {
+    return strip.Color(WheelPos * 3, 255 - WheelPos * 3, 0);
+  } else if (WheelPos < 170) {
+    WheelPos -= 85;
+    return strip.Color(255 - WheelPos * 3, 0, WheelPos * 3);
+  } else {
+    WheelPos -= 170;
+    return strip.Color(0, WheelPos * 3, 255 - WheelPos * 3);
+  }
+}
+
+BLYNK_WRITE(V1)
+{
+  int shift = param.asInt();
+  for (int i = 0; i < strip.numPixels(); i++)
+  {
+    strip.setPixelColor(i, Wheel(shift & 255));
+    // OR: strip.setPixelColor(i, Wheel(((i * 256 / strip.numPixels()) + shift) & 255));
+  }
+  strip.show();
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  strip.begin();
+  strip.show();
+}
+
+void loop()
+{
+  Blynk.run();
+}
+

libraries/Blynk/examples/More/PrintAllVirtual/PrintAllVirtual.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+  This example uses BLYNK_WRITE_DEFAULT to capture arbitrary
+  virtual pin changes. This may be useful if you have lots
+  of DataStreams with controls.
+  It also shows how to iterate over all parameter values.
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+// This is called for all virtual pins, that don't have BLYNK_WRITE handler
+BLYNK_WRITE_DEFAULT() {
+  Serial.print("input V");
+  Serial.print(request.pin);
+  Serial.println(":");
+  // Print all parameter values
+  for (auto i = param.begin(); i < param.end(); ++i) {
+    Serial.print("* ");
+    Serial.println(i.asString());
+  }
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+}
+
+void loop()
+{
+  Blynk.run();
+}
+

libraries/Blynk/examples/More/RTC/RTC.ino

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+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  Blynk can provide your device with time data, like an RTC.
+  Please note that the accuracy of this method is up to several seconds.
+
+  Datastream setup:
+    Virtual Pin V1, type: String
+    Virtual Pin V2, type: String
+
+  App dashboard setup:
+    Value Display widget on V1
+    Value Display widget on V2
+
+  NOTE: On Web dashboard, use Label widgets
+
+  WARNING:
+  For this example you'll need Time keeping library:
+    https://github.com/PaulStoffregen/Time
+
+  This code is based on an example from the Time library:
+    https://github.com/PaulStoffregen/Time/blob/master/examples/TimeSerial/TimeSerial.ino
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+#include <TimeLib.h>
+#include <WidgetRTC.h>
+
+BlynkTimer timer;
+
+WidgetRTC rtc;
+
+// Digital clock display of the time
+void clockDisplay()
+{
+  // You can call hour(), minute(), ... at any time
+  // Please see Time library examples for details
+
+  String currentTime = String(hour()) + ":" + minute() + ":" + second();
+  String currentDate = String(day()) + " " + month() + " " + year();
+  Serial.print("Current time: ");
+  Serial.print(currentTime);
+  Serial.print(" ");
+  Serial.print(currentDate);
+  Serial.println();
+
+  // Send time to the App
+  Blynk.virtualWrite(V1, currentTime);
+  // Send date to the App
+  Blynk.virtualWrite(V2, currentDate);
+}
+
+BLYNK_CONNECTED() {
+  // Synchronize time on connection
+  rtc.begin();
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  // Other Time library functions can be used, like:
+  //   timeStatus(), setSyncInterval(interval)...
+  // Read more: http://www.pjrc.com/teensy/td_libs_Time.html
+
+  setSyncInterval(10 * 60); // Sync interval in seconds (10 minutes)
+
+  // Display digital clock every 10 seconds
+  timer.setInterval(10000L, clockDisplay);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/RTC_Advanced/RTC_Advanced.ino

@@ -0,0 +1,67 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  Blynk can provide your device with time data, like an RTC.
+  Please note that the accuracy of this method is up to several seconds.
+
+  NOTE: there's a better way to get a detailed time and timezone info.
+    See TimeAndLocation example for details!
+
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BlynkTimer timer;
+
+void requestTime() {
+  Blynk.sendInternal("rtc", "sync");
+}
+
+BLYNK_WRITE(InternalPinRTC) {
+  long t = param.asLong();
+  Serial.print("Unix time: ");
+  Serial.print(t);
+  Serial.println();
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  timer.setInterval(10000L, requestTime);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/ServerAsDataStorage/ServerAsDataStorage_MultiValue/ServerAsDataStorage_MultiValue.ino

@@ -0,0 +1,82 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows you how you can use server as storage for
+  your data like EEPROM
+
+  App dashboard setup (optional):
+    Value display on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BlynkTimer timer;
+int uptimeCounter;
+String someStaticData = "SomeStaticData";
+
+// This function will run every time Blynk connection is established
+BLYNK_CONNECTED() {
+  //get data stored in virtual pin V0 from server
+  Blynk.syncVirtual(V0);
+}
+
+// restoring counter from server
+BLYNK_WRITE(V0)
+{
+  //restoring int value
+  uptimeCounter = param[0].asInt();
+  //restoring string value
+  someStaticData = param[1].asString();
+}
+
+void increment() {
+  uptimeCounter++;
+
+  //storing int and string in V0 pin on server
+  Blynk.virtualWrite(V0, uptimeCounter, someStaticData);
+
+  //updating value display with uptimeCounter
+  Blynk.virtualWrite(V1, uptimeCounter);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  timer.setInterval(1000L, increment);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/ServerAsDataStorage/ServerAsDataStorage_SingleValue/ServerAsDataStorage_SingleValue.ino

@@ -0,0 +1,76 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows you how you can use server as storage for
+  your data like EEPROM
+
+  App dashboard setup (optional):
+    Value display on V0
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BlynkTimer timer;
+int uptimeCounter;
+
+// This function will run every time Blynk connection is established
+BLYNK_CONNECTED() {
+  //get data stored in virtual pin V0 from server
+  Blynk.syncVirtual(V0);
+}
+
+// restoring counter from server
+BLYNK_WRITE(V0)
+{
+  //restoring int value
+  uptimeCounter = param.asInt();
+}
+
+void increment() {
+  uptimeCounter++;
+
+  //storing int in V0 pin on server
+  Blynk.virtualWrite(V0, uptimeCounter);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  timer.setInterval(1000L, increment);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/SetProperty/SetProperty_MultiValue/SetProperty_MultiValue.ino

@@ -0,0 +1,73 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  You can set predefined properties (color, label, ...) of any widget.
+  Read more: https://docs.blynk.io/en/blynk.edgent-firmware-api/widget-properties
+
+  Datastream setup:
+    Virtual Pin V1, type: Integer, min: 1, max: 3
+
+  App dashboard setup:
+    Menu Widget on V1 with 2 items: "Item 1", "Add items"
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BLYNK_WRITE(V1) {
+  int value = param.asInt();
+  if (value == 1) {
+    Serial.println("Item 1 selected");
+  } else if (value == 2) {
+    // If item 2 is selected, change menu items...
+    BlynkParamAllocated items(128); // list length, in bytes
+    items.add("New item 1");
+    items.add("New item 2");
+    items.add("New item 3");
+    Blynk.setProperty(V1, "labels", items);
+
+    // You can also use it like this:
+    //Blynk.setProperty(V1, "labels", "item 1", "item 2", "item 3");
+
+  } else {
+    Serial.println("Unknown item selected");
+  }
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+}
+
+void loop()
+{
+  Blynk.run();
+}
+

libraries/Blynk/examples/More/SetProperty/SetProperty_SingleValue/SetProperty_SingleValue.ino

@@ -0,0 +1,80 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  You can set predefined properties (color, label, ...) of any widget.
+  Read more: https://docs.blynk.io/en/blynk.edgent-firmware-api/widget-properties
+
+  App dashboard setup:
+    Gauge widget (0...100) on V0
+    Slider widget (0...100) on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+#define BLYNK_GREEN     "#23C48E"
+#define BLYNK_BLUE      "#04C0F8"
+#define BLYNK_YELLOW    "#ED9D00"
+#define BLYNK_RED       "#D3435C"
+#define BLYNK_DARK_BLUE "#5F7CD8"
+
+String gaugeColor;
+
+BLYNK_WRITE(V1) {
+  int gaugeValue = param.asInt();
+
+  String newColor;
+  if (gaugeValue > 80) {
+    newColor = BLYNK_RED;
+  } else if (gaugeValue > 50) {
+    newColor = BLYNK_YELLOW;
+  } else {
+    newColor = BLYNK_GREEN;
+  }
+
+  // Send only if changed
+  if (newColor != gaugeColor) {
+    gaugeColor = newColor;
+    Blynk.setProperty(V0, "color", gaugeColor);
+  }
+
+  Blynk.virtualWrite(V0, gaugeValue);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+}
+
+void loop()
+{
+  Blynk.run();
+}
+

libraries/Blynk/examples/More/Stroboscope/Stroboscope.ino

@@ -0,0 +1,87 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This is a simple stroboscope.
+  You can turn it on and of using a button,
+  and control frequency with a slider.
+
+  App dashboard setup:
+    Button widget (Switch) on V1
+    Slider widget (100...1000) on V2
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+#define LED_PIN 4
+
+BlynkTimer timer;
+BlynkTimer::Handle t1;
+
+// Toggle LED
+void ledBlynk()
+{
+  digitalWrite(LED_PIN, !digitalRead(LED_PIN));
+}
+
+// Enable/disable blinking using virtual pin 1
+BLYNK_WRITE(V1)
+{
+  if (param.asInt()) {
+    t1.enable();
+  } else {
+    t1.disable();
+    digitalWrite(LED_PIN, LOW);
+  }
+}
+
+// Change blink interval using virtual pin 2
+BLYNK_WRITE(V2)
+{
+  long interval = param.asLong();
+  t1.changeInterval(interval);
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  // Configure LED and timer
+  pinMode(LED_PIN, OUTPUT);
+  t1 = timer.setInterval(500L, ledBlynk);
+  t1.disable();
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/Sync/ButtonInterrupt/ButtonInterrupt.ino

@@ -0,0 +1,85 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how to monitor a button state
+  using interrupts mechanism.
+
+  App dashboard setup:
+    LED widget on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+WidgetLED led1(V1);
+
+// We make these values volatile, as they are used in interrupt context
+volatile bool pinChanged = false;
+volatile int  pinValue   = 0;
+
+// Most boards won't send data to WiFi out of interrupt handler.
+// We just store the value and process it in the main loop.
+void checkPin()
+{
+  // Invert state, since button is "Active LOW"
+  pinValue = !digitalRead(2);
+
+  // Mark pin value changed
+  pinChanged = true;
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  // Make pin 2 HIGH by default
+  pinMode(2, INPUT_PULLUP);
+  // Attach INT to our handler
+  attachInterrupt(digitalPinToInterrupt(2), checkPin, CHANGE);
+}
+
+void loop()
+{
+  Blynk.run();
+
+  if (pinChanged) {
+
+    // Process the value
+    if (pinValue) {
+      led1.on();
+    } else {
+      led1.off();
+    }
+
+    // Clear the mark, as we have processed the value
+    pinChanged = false;
+  }
+}
+

libraries/Blynk/examples/More/Sync/ButtonPoll/ButtonPoll.ino

@@ -0,0 +1,77 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how to monitor a button state
+  using polling mechanism.
+
+  App dashboard setup:
+    LED widget on V1
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+int prevState = -1;
+int currState = -1;
+long lastChangeTime = 0;
+
+void checkPin()
+{
+  // Invert state, since button is "Active LOW"
+  int state = !digitalRead(2);
+
+  // Debounce mechanism
+  long t = millis();
+  if (state != prevState) {
+    lastChangeTime = t;
+  }
+  if (t - lastChangeTime > 50) {
+    if (state != currState) {
+      currState = state;
+      Blynk.virtualWrite(V1, state);
+    }
+  }
+  prevState = state;
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  // Make pin 2 default HIGH, and attach INT to our handler
+  pinMode(2, INPUT_PULLUP);
+}
+
+void loop()
+{
+  Blynk.run();
+  checkPin();
+}
+

libraries/Blynk/examples/More/Sync/HardwareSyncStateFromApp/HardwareSyncStateFromApp.ino

@@ -0,0 +1,78 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  You can synchronize the state of widgets with hardware states,
+  even if hardware resets or looses connection temporarily
+
+  App dashboard setup:
+    Slider widget (0...1024) on V0
+    Value display (0...1024) on V2
+    Button widget on digital pin (connected to an LED)
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+// This function will run every time Blynk connection is established
+BLYNK_CONNECTED() {
+  // Request Blynk server to re-send latest values for all pins
+  Blynk.syncAll();
+
+  // You can also update individual virtual pins like this:
+  //Blynk.syncVirtual(V0, V2);
+
+  // Let's write your hardware uptime to Virtual Pin 2
+  int value = millis() / 1000;
+  Blynk.virtualWrite(V2, value);
+}
+
+BLYNK_WRITE(V0)
+{
+  // Use of syncAll() will cause this function to be called
+  // Parameter holds last slider value
+  int sliderValue0 = param.asInt();
+}
+
+BLYNK_WRITE(V2)
+{
+  // You'll get uptime value here as result of syncAll()
+  int uptime = param.asInt();
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+}
+
+void loop()
+{
+  Blynk.run();
+}
+

libraries/Blynk/examples/More/Sync/SyncPhysicalButton/SyncPhysicalButton.ino

@@ -0,0 +1,102 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  This example shows how to synchronize Button widget
+  and physical button state.
+
+  App dashboard setup:
+    Button widget attached to V2 (Switch mode)
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+// Set your LED and physical button pins here
+const int ledPin = 13;
+const int btnPin = 12;
+
+BlynkTimer timer;
+void checkPhysicalButton();
+
+int ledState = LOW;
+int btnState = HIGH;
+
+// Every time we connect to the cloud...
+BLYNK_CONNECTED() {
+  // Request the latest state from the server
+  Blynk.syncVirtual(V2);
+
+  // Alternatively, you could override server state using:
+  //Blynk.virtualWrite(V2, ledState);
+}
+
+// When App button is pushed - switch the state
+BLYNK_WRITE(V2) {
+  ledState = param.asInt();
+  digitalWrite(ledPin, ledState);
+}
+
+void checkPhysicalButton()
+{
+  if (digitalRead(btnPin) == LOW) {
+    // btnState is used to avoid sequential toggles
+    if (btnState != LOW) {
+
+      // Toggle LED state
+      ledState = !ledState;
+      digitalWrite(ledPin, ledState);
+
+      // Update Button Widget
+      Blynk.virtualWrite(V2, ledState);
+    }
+    btnState = LOW;
+  } else {
+    btnState = HIGH;
+  }
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(9600);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+
+  pinMode(ledPin, OUTPUT);
+  pinMode(btnPin, INPUT_PULLUP);
+  digitalWrite(ledPin, ledState);
+
+  // Setup a function to be called every 100 ms
+  timer.setInterval(100L, checkPhysicalButton);
+}
+
+void loop()
+{
+  Blynk.run();
+  timer.run();
+}
+

libraries/Blynk/examples/More/TimeAndLocation/TimeAndLocation.ino

@@ -0,0 +1,97 @@
+/*************************************************************
+  Blynk is a platform with iOS and Android apps to control
+  ESP32, Arduino, Raspberry Pi and the likes over the Internet.
+  You can easily build mobile and web interfaces for any
+  projects by simply dragging and dropping widgets.
+
+    Downloads, docs, tutorials: https://www.blynk.io
+    Sketch generator:           https://examples.blynk.cc
+    Blynk community:            https://community.blynk.cc
+    Follow us:                  https://www.fb.com/blynkapp
+                                https://twitter.com/blynk_app
+
+  Blynk library is licensed under MIT license
+  This example code is in public domain.
+
+ *************************************************************
+
+  Blynk can provide your device with time and location data.
+  NOTE: the accuracy of this method is up to several seconds.
+
+ *************************************************************/
+
+/* Comment this out to disable prints and save space */
+#define BLYNK_PRINT Serial
+
+/* Fill in information from Blynk Device Info here */
+//#define BLYNK_TEMPLATE_ID           "TMPxxxxxx"
+//#define BLYNK_TEMPLATE_NAME         "Device"
+//#define BLYNK_AUTH_TOKEN            "YourAuthToken"
+
+#include <SPI.h>
+#include <Ethernet.h>
+#include <BlynkSimpleEthernet.h>
+
+BLYNK_CONNECTED() {
+    // Send requests for different internal data
+    // Request what is actually needed for your use-case
+    Blynk.sendInternal("utc", "tz_name");   // Name of timezone
+    Blynk.sendInternal("utc", "iso");       // ISO-8601 formatted time
+    Blynk.sendInternal("utc", "time");      // Unix timestamp (with msecs)
+    Blynk.sendInternal("utc", "tz");        // Timezone and DST offsets
+    Blynk.sendInternal("utc", "tz_rule");   // POSIX TZ rule
+    Blynk.sendInternal("utc", "dst_next");  // Up to 2 next time offset changes (due to DST)
+}
+
+// Receive UTC data
+BLYNK_WRITE(InternalPinUTC) {
+    String cmd = param[0].asStr();
+    if (cmd == "time") {
+        uint64_t utc_time = param[1].asLongLong();
+        Serial.print("Unix time (UTC): "); Serial.println((uint32_t)(utc_time/1000));
+
+    } else if (cmd == "iso") {
+        String iso_time = param[1].asStr();
+        Serial.print("ISO-8601 time:   "); Serial.println(iso_time);
+
+    } else if (cmd == "tz") {
+        long tz_offset = param[1].asInt();
+        long dst_offset = param[2].asInt();
+        Serial.print("TZ offset:       "); Serial.print(tz_offset);  Serial.println(" minutes");
+        Serial.print("DST offset:      "); Serial.print(dst_offset); Serial.println(" minutes");
+
+    } else if (cmd == "tz_name") {
+        String tz_name = param[1].asStr();
+        Serial.print("Timezone:        "); Serial.println(tz_name);
+
+    } else if (cmd == "tz_rule") {
+        String tz_rule = param[1].asStr();
+        Serial.print("POSIX TZ rule:   "); Serial.println(tz_rule);
+
+    } else if (cmd == "dst_next") {
+        uint32_t next1_ts  = param[1].asLong();
+        int next1_off      = param[2].asInt();
+        uint32_t next2_ts  = param[3].asLong();
+        int next2_off      = param[4].asInt();
+
+        Serial.print("Next offset changes: ");
+        Serial.print(next1_off); Serial.print("min. on "); Serial.print(next1_ts);
+        Serial.print(", ");
+        Serial.print(next2_off); Serial.print("min. on "); Serial.print(next2_ts);
+        Serial.println();
+    }
+}
+
+void setup()
+{
+  // Debug console
+  Serial.begin(115200);
+
+  Blynk.begin(BLYNK_AUTH_TOKEN);
+}
+
+void loop()
+{
+  Blynk.run();
+}
+