There’s no shortage of Geiger counter projects based on the old Soviet SBM-20 tube, it’s a classic circuit that’s easy enough even for a beginner to implement — so long as t… ...

Tired of pressing buttons to achieve this with the ESP32, [DoganM95] took the time to create an all-in-one USB ESP32 programming board.

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains undocumented commands that could be leveraged for attacks.

An undocumented set of low-level commands has been discovered in the ESP32 microchip, a widely used component in IoT devices. Manufactured by the Chinese company Espressif, the ...

While some details haven’t been finalized yet, the basic elements include an ESP32-S3 system-on-a-chip combined with a small E Ink display and a custom printed circuit board with a QWERTY keyboard.

But this model is powered by a modern, low-power ESP32-S3 processor (with two low-power Xtensa LX7 32-bit microprocessors running at 240 MHz and support for WiFi 4 and Bluetooth 4.2 LE.