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 ...

The ESP32 series of microcontrollers have been with us for quite a few years now, providing a powerful processor and wireless connectivity for not a huge outlay. We’ve seen a bunch of versions over ...

If you’re a reader of Hackaday, then you’ve almost certainly encountered an Espressif part. The twin microcontroller families ESP8266 and ESP32 burst onto the scene and immediately became the ...

Electronic enthusiasts, developers and hobbyists may be interested in a new development board featuring a Raspberry Pi form factor and ESP32 and RP2040. Designed for “extreme reliability and 24/7 ...

Recent reports have circulated concerning ESP32 chips, initially suggesting the presence of a “backdoor.” This claim ...

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 ...

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 ...