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.

She won the Miss Universe 2023 title in El Salvador, with her generous curves on display. While most contestants fit into a diminutive body, this beauty queen has a much more realistic body shape ...

However, the conventional method of soil pH analysis is time-consuming and requires sophisticated instruments and a skilled workforce. Here, an all-solid electrode, in-situ soil pH sensor is ...

We have developed a pH sensitive sensor for monitoring acidity of an infected wound area, as well as a pH meter for real-time monitoring the pH value. The pH sensor was fabricated by depositing Au and ...

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Furthermore, this BMP SERS-based pH sensor was employed to measure the pH value in C57BL/6 mouse blood. We have demonstrated that the pH sensor has great advantages such as good stability, reliability ...

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