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 ...

With just 768 KB of internal memory, 32MB of PSRAM, and 16MB of SPI flash storage, the Olimex ESP32-P4-PC is clearly not meant for use as a general purpose computer. But it’s a fairly versatile system ...

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 ...

With the ESP32-P4 not having any wireless functionality and instead focusing on being a small SoC, it makes sense to combine it with a second chip that handles features like WiFi and Bluetooth.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Researchers have found undocumented commands ...

We’ve seen a few H-bridge circuits around these parts before, and here’s another application. This time we have an Old Train Station Clock which has been refurbished after being picked up for cheap at ...

Waveshare is now selling a cheap dev board that combines a 4.2 inch, 400 x 300 pixel RLCD sunlight-readable, black and white “E-paper-like” low-power display with an ESP32-S3 processor featuring ...