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BluetoothSerialMBluetoothSerial library examples cus they re a good starting point for Classic Bluetooth pairing
RESP32’s built-in Bluetooth functionality, you can opt for Classic Bluetooth or Bluetooth Low Energy (BLE) depending on your project. Classic Bluetooth is great for continuous data exchange, while BLE
SSSRMCU) resets is kinda common which leads to a garbage character appearing on your serial monitor. it's usually caused by UART Line Behavior During Reset, Baud Rate Instability and electrical noise to resolve this u should use a capacitor on d reset pin to reduce noise and signal instability and also ensure UART
BluetoothSerialBluetoothSerialESP32’sClassic BluetoothClassic BluetoothBluetooth Low EnergyMCUUART Line Behavior During ResetBaud Rate Instability#include "BluetoothSerial.h"
#include <BLEDevice.h>
#include <BLEServer.h>
BluetoothSerial ESP_BT; // Classic Bluetooth object
void setup() {
Serial.begin(115200);
// Classic Bluetooth setup
ESP_BT.begin("ESP32_BT_Device"); // Name the device
Serial.println("Classic Bluetooth Device is Ready to Pair");
// BLE setup
BLEDevice::init("ESP32_BLE_Server"); // Name the BLE server
BLEServer *pServer = BLEDevice::createServer();
Serial.println("BLE Server is Running");
}
void loop() {
// Handle Classic Bluetooth data
if (ESP_BT.available()) {
char received = ESP_BT.read();
Serial.write(received); // Echo received data
}
// BLE logic can be added here as needed for advanced configurations
}
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