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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.

Sensor pH DIYMORE 4502C Description Welcome to my project! This project is part of my undergraduate project to building pH Sensor using 4502C and to callibrate it by using Arduino UNO R3 so that it ...

Arduino library for working with the DFRobot 24GHz millimeter-wave Human Presence Detection sensor (SEN0395). - MaffooClock/DFR_Radar ...

However, the effectiveness of these applications relies on accurate calibration of the polarimetric GNSS-R sensor. In the Rongowai mission, a newly developed next-generation GNSS-R receiver (NGRx) is ...

The utilization of low-cost sensors (LCS) of air quality monitoring systems (AQMS) such as MQ7, GP2Y-Sharp, ZE15-Winsen, and ZH03 in air quality monitoring systems has seen a marked increase. This can ...

In this study, we assessed the performance of PurpleAir PM2.5 sensors and developed calibration models in Dhaka, Bangladesh─one of the global hotspots most severely affected by extreme air pollution.