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.

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 ...

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 ...