An anemometer is a device used to measure the velocity or speed of air (gases) in both confined and unconfined...

A rain sensor, sometimes known as a rain switch, is a switching device that is actuated by rain; it is...

This is a portable tiny ozone generator that runs on AC 220V and can produce ozone anywhere it is connected...

The BME680 is a digital environmental sensor that measures pressure, humidity, and temperature. It's the first gas sensor to combine...

The 2N3904 is a common NPN bipolar junction transistor that is used for general-purpose low-power amplifying or switching. It is...