Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

This is a simple tutorial for the ESP32 Cheap Yellow Display Board (CYD) model ESP32-2432S028R and Platform.io. It shows you how to create a basic application that ...

The ESP32 is a microcontroller that provides an API for Bluetooth A2DP which can be used to receive sound data e.g. from your Mobile Phone and makes it available via a callback method. The output is a ...