/************************************************************* This is a simple demo of sending and receiving some data. Be sure to check out other examples! *************************************************************/ // Template ID, Device Name and Auth Token are provided by the Blynk.Cloud // See the Device Info tab, or Template settings #define BLYNK_TEMPLATE_ID "TMPLAk...vT-" #define BLYNK_DEVICE_NAME "Quickstart Device" #define BLYNK_AUTH_TOKEN "gwHBXdzCVgYT7...Tj3D2on9H5xz" // Comment this out to disable prints and save space #define BLYNK_PRINT Serial #include #include #include char auth[] = BLYNK_AUTH_TOKEN; // Your WiFi credentials. // Set password to "" for open networks. char ssid[] = "SSID"; char pass[] = "password"; BlynkTimer timer; // This function is called every time the Virtual Pin 0 state changes BLYNK_WRITE(V0) { // Set incoming value from pin V0 to a variable int value = param.asInt(); // Update state Blynk.virtualWrite(V1, value); } // This function is called every time the device is connected to the Blynk.Cloud BLYNK_CONNECTED() { // Change Web Link Button message to "Congratulations!" Blynk.setProperty(V3, "offImageUrl", "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations.png"); Blynk.setProperty(V3, "onImageUrl", "https://static-image.nyc3.cdn.digitaloceanspaces.com/general/fte/congratulations_pressed.png"); Blynk.setProperty(V3, "url", "https://docs.blynk.io/en/getting-started/what-do-i-need-to-blynk/how-quickstart-device-was-made"); } // This function sends Arduino's uptime every second to Virtual Pin 2. void myTimerEvent() { // You can send any value at any time. // Please don't send more that 10 values per second. Blynk.virtualWrite(V2, millis() / 1000); } void setup() { // Debug console Serial.begin(115200); Blynk.begin(auth, ssid, pass); // You can also specify server: //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80); //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080); // Setup a function to be called every second timer.setInterval(1000L, myTimerEvent); } void loop() { Blynk.run(); timer.run(); // You can inject your own code or combine it with other sketches. // Check other examples on how to communicate with Blynk. Remember // to avoid delay() function! }