问题：蓝牙Mesh和传统蓝牙有什么不同？
答案：
根据相关资料，为您解答：
**来源：** Bluetooth® API - ESP32 - — ESP-IDF Programming Guide latest documentation
Bluetooth® API - ESP32 - — ESP-IDF Programming Guide latest documentation API Reference Bluetooth ® API Edit on GitHub Bluetooth ® API ï [ä¸æ] This section provides the API reference for Bluetooth components supported in ESP-IDF. ESP-IDF supports two host stacks: Bluedroid and NimBLE . Bluedroid (the default stack): Supports both Bluetooth Classic and Bluetooth LE. Recommended for applications that require both technologies. NimBLE : A lightweight stack for Bluetooth LE only. Ideal for resource-constrained applications due to smaller code size and memory usage. Use the navigation links below to explore API documentation and application examples. Controller Interface API The low-level interface between the Bluetooth host stack and the controller. Controller & HCI Bluedroid Stack API
*（详见：https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/bluetooth/index.html）*
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**来源：** Bluetooth Technology Overview | Bluetooth® Technology Website
Bluetooth Technology Overview | Bluetooth® Technology Website Skip to content Learn About Bluetooth Bluetooth technology overview One key reason for the incredible success of Bluetooth® technology is the tremendous flexibility it provides developers. Offering two radio options, Bluetooth technology provides developers with a versatile set of full-stack, fit-for-purpose solutions to meet the ever-expanding needs for wireless connectivity. Whether a product streams high-quality audio between a smartphone and speaker, transfers data between a tablet and medical device, or sends messages between thousands of nodes in a building automation solution, the Bluetooth LE and Bluetooth Classic radios are designed to meet the unique needs of developers worldwide. Bluetooth® Classic The Bluetooth Class
*（详见：https://www.bluetooth.com/learn-about-bluetooth/tech-overview/）*
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