This paper presents energy-efficient solutions for wireless sensor systems intended for the monitoring of water quality at water stations. Energy problems, such as energy scarcity and energy ...

In this work, we propose a robust water level sensor based on a fiber Bragg grating (FBG). The sensor head is formed by a cylindrical PVC cap with 4 cm diameter. The cap was filled with silicone ...

Arduino Library for the SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 The SparkFun Air Quality PM1/PM2.5/PM10 Sensor - BMV080 (Qwiic) is an ultra-small, fan-less air quality sensor for sensing ...

PH4502C Sensor Arduino Library This Arduino library provides a convenient and easy-to-use interface for the PH4502C sensor, allowing you to effortlessly integrate it into your Arduino projects. The ...

Thus, they entered a heart rate sensor to our 2025 One Hertz Challenge! The build is based around a Wemos D1 mini, a ESP8266 development board.

If you're at all worried about the possibility of flooding or leaking pipes, a smart water sensor is a great way to be notified if something is amiss. This deal gets you no fewer than six sensors as ...