IoT Development for ESP32 and ESP8266 with JavaScript: A Practical Guide to XS and the Moddable SDK

© Peter Hoddie and Lizzie Prader 2020

P. Hoddie, L. PraderIoT Development for ESP32 and ESP8266 with JavaScripthttps://doi.org/10.1007/978-1-4842-5070-9_4

4. Bluetooth Low Energy (BLE)

Peter Hoddie¹  and Lizzie Prader¹

(1)

Menlo Park, CA, USA

 

There are many ways to enable wireless communication between devices. Chapter 3 introduced many protocols that operate over a Wi-Fi connection to communicate with devices anywhere in the world. This chapter focuses on Bluetooth Low Energy, or BLE, a wireless communication widely used between two devices in close proximity to each other. Products choose to use BLE instead of Wi-Fi if minimizing energy use is particularly important, such as in battery-powered products, and when direct communication with another ...