Chen Liang (陳亮) has found an interesting use case for the Espressif ESP32-C5: a dual-band Wi-Fi analyzer showing the signal strength of 2.4 GHz and 5 GHz ...

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 ...

Synthesis of nanostructured cubic phase SnO 2 thin film and its trace-level sensing of CO gas This study presents a cubic phase SnO 2 thin film gas sensor with ultra-high CO sensitivity and 1 ppb ...

First aid refers to the immediate care given to an injured or ill person until full medical treatment is available. You might perform CPR for cardiac arrest, apply pressure to stop bleeding, or use an ...

Installing a smart water sensor can save you a lot of money and hassle. The top leak detectors we've tested immediately alert you to issues and even shut off your home's water supply. I’ve been ...

Abstract: Pressure measurement in microchannels is crucial for understanding fluid flow behavior and advancing microfluidic device development. However, the micrometer-scale dimensions of ...

Abstract: The pressure sensors capable of high sensitivity and wide measuring range at high temperature are urgently needed in many industrial fields. We propose a novel fiber-optic Fabry-Pérot ...