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 ...

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.

The latest farming technology utilizes specialized electrochemical soil sensors for precision agriculture. Soil pH is the primary soil attribute which influences the crop yield by affecting the ...

Here, an all-solid electrode, in-situ soil pH sensor is demonstrated, which mitigates many of the drawbacks associated with the traditional method of pH analysis. The soil pH sensor uses antimony as ...