XDA Developers on MSN

6 cheap sensors you can make and gift to family and friends

Building cheap smart home sensors using an ESP32 board and ESPHome can help you level up your gifting game. Though inexpensive, these sensors can function independently, but work well when paired with ...
IEEE

SLEEPIR: Synchronized Low-Energy Electronically Chopped PIR Sensor for True Presence Detection

Abstract: Passive infrared (PIR) sensors are widely used in motion sensing and lighting control. However, stationary occupants always trigger false-negative detects of PIR sensors and result in ...
XDA Developers on MSN

I built my own local-first Ring Doorbell alternative with an ESP32

In warmer climates, this may be more of an issue, but in Ireland, where I live, it's completely fine. I used ESPHome for this, and it's a great way to get it up and running if you want something quick ...
Nature

Sensors articles from across Nature Portfolio

Sensors are devices that detect and quantify physical aspects of the world around us. The measurement can either be read directly or converted to a signal for processing by electrical, hydraulic or ...
IEEE

IEEE Communications Surveys and Tutorials

I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, these ...