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.

IoT-based data logger for weather monitoring using arduino-based wireless sensor networks with remote graphical application and alerts ...

Light pollution, caused by indiscriminate use of artificial lighting at night, is a growing threat to astronomy, the environment, and other fields. Monitoring light pollution can help inform local ...

Contribute to MatteoVignaga/diy-arduino-lightsaber development by creating an account on GitHub.

Discover the ESP32 Cheap Yellow Display Board: low-cost, Wi-Fi + Bluetooth, 2.8″ touchscreen, ideal for IoT, GUI projects, and learning.

The resulting light-emitting module demonstrates a cost-effective solution with high light extraction efficiency. Experimental data indicate that this design improves the light efficiency of PLCC red ...

A research team at Los Alamos National Laboratory recently found that the strength difference between two very high-frequency radio pulses in lightning is closely related to the altitude of the ...

The best outdoor solar lights are powerful, durable and easy to use. See our top picks from Amazon, The Home Depot and more.