No Wi-Fi, no problem.

For smart home deployments, there are a lot of ways to track the presence of individuals in a room. There are motion detection sensors that use mmWave and PIR, and you can also use simple detection ...

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 ...

Bluetooth has become widely popular since its introduction in 1999. However, it’s also had its fair share of security problems over the years. Just recently, a research group from the Singapore ...

The Waveshare ESP32-P4-Nano is a tiny, inexpensive, low-power development board powered by a dual-core RISC-V processor. Available now from Waveshare or AliExpress for around $19 and up, the little ...

FPS gaming on an E Ink display? That doesn't seem right... But that's exactly what Wenting Zhang's PaperBoy Game Boy emulator ...

Espressif’s ESP32-S3 integrates wireless connectivity, compute, and peripherals to reduce board-level complexity in IoT ...

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 ...