Knowledge Base

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...

 The Texas Instruments BeagleBoard is a low-power open-source single-board computer developed in collaboration with Digi-Key and Newark element14. The BeagleBoard...

The DS1990A Serial Number iButton is a tough data carrier that also functions as an electronic registration number for automatic...

One type of electronic amplifier called an audio amplifier is used to amplify electronic audio signals with low power, such...

Maxim Integrated Products created the MAX232 IC, a voltage logic converter that converts the TTL logic level to TIA or...

Applications requiring switching and VHF (very high frequency) amplifiers are where NPN transistors like the 2N2222 are most frequently used....