#include <FastLED.h>
#include <WiFi.h>
#include <HTTPClient.h>
// How many leds in your strip?
#define NUM_LEDS 64
#define DATA_PIN 2
// Define the array of leds
CRGB leds[NUM_LEDS];
// TMP PIXEL-ART
byte strip[] = {0,0,0,183,62,67,183,62,67,183,62,67,0,0,0,0,0,0,0,0,0,0,0,0,246,211,45,0,0,0,183,62,67,183,62,67,183,62,67,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,183,62,67,183,62,67,183,62,67,183,62,67,0,0,0,0,0,0,0,0,0,0,0,0,246,245,244,246,245,244,246,245,244,246,245,244,0,0,0,0,0,0,0,0,0,0,0,0,226,142,142,0,0,0,226,142,142,0,0,0,226,142,142,0,0,0,0,0,0,0,0,0,226,142,142,226,142,142,226,142,142,226,142,142,226,142,142,0,0,0,0,0,0,0,0,0,246,245,244,246,245,244,246,245,244,246,245,244,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,246,245,244,246,245,244,0,0,0,0,0,0,0,0,0};
// WIFI SETUP
const char* ssid = "Wokwi-GUEST";
const char* password = "";
//Your Domain name with URL path or IP address with path
String serverName = "https://www.google.it";
// the following variables are unsigned longs because the time, measured in
// milliseconds, will quickly become a bigger number than can be stored in an int.
unsigned long lastTime = 0;
unsigned long timerDelay = 60000;
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial.println("Hello, ESP32!");
FastLED.addLeds<NEOPIXEL, DATA_PIN>(leds, NUM_LEDS); // GRB ordering is assumed
Serial.println("FastLED lib initialized!");
WiFi.begin(ssid, password);
Serial.println("Connecting");
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.print("Connected to WiFi network with IP Address: ");
Serial.println(WiFi.localIP());
}
void loop() {
// Draw the image
for(int i=0, p=0;i<NUM_LEDS*3;i+=3,p++){
byte r = strip[i];
byte g = strip[i+1];
byte b = strip[i+2];
leds[p] = CRGB(r, g, b);
}
FastLED.show(); // This sends the updated pixel color to the hardware.
delay(10); // this speeds up the simulation
//Send an HTTP POST request every 1 minute
if ((millis() - lastTime) > timerDelay) {
//Check WiFi connection status
if(WiFi.status()== WL_CONNECTED){
HTTPClient http;
String serverPath = serverName + "";
// Your Domain name with URL path or IP address with path
http.begin(serverPath.c_str());
// If you need Node-RED/server authentication, insert user and password below
//http.setAuthorization("REPLACE_WITH_SERVER_USERNAME", "REPLACE_WITH_SERVER_PASSWORD");
// Send HTTP GET request
int httpResponseCode = http.GET();
if (httpResponseCode>0) {
Serial.print("HTTP Response code: ");
Serial.println(httpResponseCode);
String payload = http.getString();
Serial.println(payload);
}
else {
Serial.print("Error code: ");
Serial.println(httpResponseCode);
}
// Free resources
http.end();
}
else {
Serial.println("WiFi Disconnected");
}
lastTime = millis();
}
}