All you need is an ESP32 board and some tinkering with ESPHome.

If you’ve got an RTL-SDR compatible receiver, you’ve probably used it for picking up signals from all kinds of weird things. Now, [Jaron McDaniel] has built a tool to integrate many ...

Abstract: The proliferation of counterfeit and refurbished semiconductor devices has become a critical concern. Device identification techniques based on Physically Unclonable Functions (PUFs) have ...

For setups that rely on stored water, clear awareness of tank level and water quality is essential. Traditional level ...