1 arduino ESP32 AndroidStudio BLE低功耗蓝牙 物联网
https://blog.csdn.net/qq_35174914/article/details/79328125
进入这个仓库 https://github.com/nkolban/ESP32_BLE_Arduino 打包下载所有文件
2 Bluetooth Serial Library
https://github.com/espressif/arduino-esp32/tree/master/libraries/BluetoothSerial
Bluetooth Serial Library
A simple Serial compatible library using ESP32 classical bluetooth (SPP)
How to use it?
Download one bluetooth terminal app in your smartphone
For Android: https://play.google.com/store/apps/details?id=de.kai_morich.serial_bluetooth_terminal
For iOS: https://itunes.apple.com/us/app/hm10-bluetooth-serial-lite/id1030454675
Flash an example sketch to your ESP32
Scan and pair the device in your smartphone
Open the bluetooth terminal app
Enjoy
3 ESP32 BLE for Arduino
https://github.com/espressif/arduino-esp32/tree/master/libraries
点击之后进入如下连接
https://github.com/nkolban/ESP32_BLE_Arduino
https://github.com/nkolban/ESP32_BLE_Arduino/tree/7951347ed68313d75c367e1f2cce763cb56d1eb2
ESP32 BLE for Arduino
The Arduino IDE provides an excellent library package manager where versions of libraries can be downloaded and installed. This Github project provides the repository for the ESP32 BLE support for Arduino.
The actual source of the project which is being maintained can be found here:
https://github.com/nkolban/esp32-snippets
Issues and questions should be raised here:
https://github.com/nkolban/esp32-snippets/issues
Documentation for using the library can be found here:
https://github.com/nkolban/esp32-snippets/tree/master/Documentation