This isn't just another development board thrown into a generic case. The ESP32-S3-BOX-3 development board is a modern kit ...

One of the best and most simplest use cases for an ESP32-based display is a smart home dashboard. Touch or non-touch, it doesn't matter, as a basic display can be used to show information from ...

The future of wireless and communication is here. From IoT and LoRaWAN to Wi-Fi and Bluetooth, Elektor Lab Talk #39 dives ...

Using Bluetooth on a desktop computer is now such a seamless process; it’s something built-in and just works. Behind that ubiquity is a protocol layer called HCI, or Host Controller Interface, a set ...

An RGB LED module is a versatile lighting component that can produce millions of colours by mixing red, green, and blue light ...

The main aim of this book is to teach the Arduino IDE and Micro-Python programming languages in ESP32 based projects, using the highly popular ESP32 DevKitC development board. Many simple, basic, and ...

Recently there was a panicked scrambling after the announcement by [Tarlogic] of a ‘backdoor’ found in Espressif’s popular ESP32 MCUs. Specifically a backdoor on the Bluetooth side that would give a ...

Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

The cheap WLAN and Bluetooth chips from the manufacturer Espressif, ESP32, contain undocumented commands in the Bluetooth hardware communication in current firmware versions. This opens up a security ...