bluetooth.cpp

//  BLE Server Example Sketch
//
//  Programming Electronics Academy
//

#include <Arduino.h>
#include <BLEDevice.h>
#include <BLEUtils.h>
#include <BLEServer.h>

// See the following for generating UUIDs:
// https://www.uuidgenerator.net/

#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 server setup!");
    BLEDevice::init("PEA - BLE Server Test");
    BLEServer *pServer = BLEDevice::createServer();
    BLEService *pService = pServer->createService(SERVICE_UUID);
    BLECharacteristic *pCharacteristic = pService->createCharacteristic(

    CHARACTERISTIC_UUID,
    BLECharacteristic::PROPERTY_READ |
    BLECharacteristic::PROPERTY_WRITE

    );

    pCharacteristic->setValue("We love Programming Electronics Academy");
    pService->start();
    BLEAdvertising *pAdvertising = BLEDevice::getAdvertising();
    pAdvertising->addServiceUUID(SERVICE_UUID);
    pAdvertising->setScanResponse(true);
    pAdvertising->setMinPreferred(0x06);  
    pAdvertising->setMinPreferred(0x12);
    BLEDevice::startAdvertising();
    Serial.println("Characteristic defined!");

    }

    void loop() {

    // put your main code here, to run repeatedly:
    delay(2000);

}