One for Gadget Masters to note: there's a new version of the Arduino Nano - the IoT-friendly Nano ESP32 - bringing the Espressif ESP32-S3 microcontroller into the Arduino ecosystem. The Wi-Fi and ...

My first foray into the IoT utilized the Espressif ESP8266, an SoC with 32-bit MCU and 2.4-GHz Wi-Fi built in. Since then, I have used many different module variants based on the microcontroller. So ...

ESP32-H2FHxS SMD Bluetooth SoC from Espressif Systems. The highly integrated wireless MCU is designed to ensure low power consumption and security in connected devices. With a 4mm x 4mm footprint and ...

The aim of the Internet of Things (IoT) is to connect objects (or things) to the Internet. These ‘things’ use a lot of data to be managed as part of a larger embedded ecosystem. The developer needs to ...

Since Espressif Systems arrived in our collective consciousness they have expanded their range from the ESP8266 to the ESP32, and going beyond the original WROOM and WROVER modules to a range of ...

The Chinese chip manufacturer Espressif is known for its cheap and widely used microcontrollers with integrated WLAN, ESP8266 and ESP32. The new ESP32-P4 is significantly more powerful because it ...

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 ...

Thursday was my final day in Shanghai. After spending all of Wednesday at Electronica Asia, I headed over to the Espressif Headquarters which is just one subway stop away. This is of course the ...

A hot potato: The ESP32 chip, found in over a billion devices worldwide, contains undocumented vendor-specific commands that could potentially be misused to access device memory and manipulate ...