ESP32 von heltec mit Display

#include <WiFi.h>

#include <WiFiClient.h>

#include <WiFiServer.h>

#include <WebServer.h>

#include <FastLED.h>

const char* ssid = "";

const char* password = "";

#define LED_PIN 4

#define NUM_LEDS 50

#define BRIGHTNESS 100

#define LED_TYPE WS2813

#define COLOR_ORDER GRB

CRGB leds[NUM_LEDS];

WebServer server(80);

int led1, led2;

struct LEDPair {

String code;

int led1;

int led2;

};

LEDPair pairs[] = {

{"A001", 0, 1},

{"A002", 2, 3},

{"A003", 4, 5},

{"A004", 3, 8},

{"A005", 2, 30},

{"A006", 0, 49},

};

void setup() {

Serial.begin(115200);

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED) {

delay(1000);

Serial.println("Connecting to WiFi...");

}

Serial.println("Connected to WiFi");

Serial.println("IP address: ");

Serial.println(WiFi.localIP());

FastLED.addLeds<LED_TYPE, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS).setCorrection(TypicalLEDStrip);

FastLED.setBrightness(BRIGHTNESS);

server.on("/led", handleLedRequest);

server.begin();

Serial.println("HTTP server started");

}

void loop() {

server.handleClient();

for (int i = 0; i < NUM_LEDS; i++) {

if (i == led1 || i == led2) {

leds[i] = CRGB::Red;

} else {

leds[i] = CRGB::Black;

}

}

FastLED.show();

delay(500);

for (int i = 0; i < NUM_LEDS; i++) {

if (i == led1 || i == led2) {

leds[i] = CRGB::Black;

} else {

leds[i] = CRGB::Black;

}

}

FastLED.show();

delay(500);

}

void handleLedRequest() {

if (server.hasArg("ledpair")) {

String ledpair = server.arg("ledpair");

for (int i = 0; i < sizeof(pairs)/sizeof(LEDPair); i++) {

if (ledpair == pairs[i].code) {

led1 = pairs[i].led1;

led2 = pairs[i].led2;

break;

}

}

if (led1 >= 0 && led2 >= 0) {

server.send(200, "text/plain", "LEDs are blinking");

} else {

server.send(400, "text/plain", "Invalid request");

}

} else {

server.send(400, "text/plain", "Invalid request");

}

}