ble-beacon.ino
Configura el ESP32-S3 como un servidor BLE que transmite un servicio personalizado.
Utiliza la biblioteca BLEDevice nativa. Ideal para comunicación de corto alcance y bajo consumo. La antena PCB maneja la señal BLE 5.0. Use una app de escaneo BLE para probar.
ble-beacon.ino
#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>
#define SERVICE_UUID "4fafc201-1fb5-459e-8fcc-c5c9c331914b"
#define CHARACTERISTIC_UUID "beb5483e-36e1-4688-b7f5-ea07361b26a8"
void setup() {
Serial.begin(115200);
Serial.println("Starting BLE work!");
BLEDevice::init("PaperDIY_Beacon");
BLEServer *pServer = BLEDevice::createServer();
BLEService *pService = pServer->createService(SERVICE_UUID);
BLECharacteristic *pCharacteristic = pService->createCharacteristic(
CHARACTERISTIC_UUID,
BLECharacteristic::PROPERTY_READ |
BLECharacteristic::PROPERTY_WRITE |
BLECharacteristic::PROPERTY_NOTIFY |
BLECharacteristic::PROPERTY_INDICATE
);
pCharacteristic->setValue("Hello World");
pService->start();
BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
pAdvertising->addServiceUUID(SERVICE_UUID);
pAdvertising->setScanResponse(true);
pAdvertising->setMinPreferred(0x06);
BLEDevice::startAdvertising();
Serial.println("Characteristic created and advertising started");
}
void loop() {
delay(1000);
}