In this video, I'm exploring the use of Mini PIR Sensors with ESP32 with both Arduino-based projects as well as making a movement sensor for Home Assistant by using ESPHome. The sensor is quite ...

It’s pretty easy to take a balloon, fill it up with helium, and send it up in to the upper atmosphere. It’s much harder to keep track of it and recover it when it falls back to Earth. If you’re trying ...

Abstract: This paper presents a batteryless radio frequency identification motion sensor tag that integrates a passive infrared sensor, a radio frequency energy harvesting front end, and real-time ...

<td><a href="https://www.sparkfun.com/products/13322"><img src="https://cdn.sparkfun.com//assets/parts/1/0/6/1/0/13322-01.jpg" alt="SparkFun Soil Moisture Sensor"></a ...

SparkFun code, firmware, and software is released under the MIT License. Please see LICENSE.md for further details. // to use hardware reset control, and to monitor the H_INT pin. // The H_INT pin ...

Abstract: Hydrogel sensors have been a hot topic of research in recent years. The development of versatile hydrogel sensors has been an urgent problem. In this paper, an electrically conductive, ...

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Long operating as subsidiaries of Genuine Parts Company, NAPA Auto Parts and Motion are set to become standalone public companies next year. GPC announced Feb. 17 that it plans to separate its ...