A diode is a two-terminal component in electronics with a unidirectional flow of current. It offers low resistance in the direction of current flow and offers high resistance in the opposite direction. Diodes are mostly used to prevent damage to components, especially due to electromotive force in circuits which are usually polarized.
Bluetooth is an open wireless technology standard for transmitting fixed and mobile electronic device data over short distances. Bluetooth was introduced in 1994 as a wireless substitute for RS-232 cables.
Bluetooth communicates with a variety of electronic devices and creates personal networks operating within the unlicensed 2.4 GHz band. Operating range is based on device class. A variety of digital devices use Bluetooth, including MP3 players, mobile and peripheral devices and personal computers.
In contrast to other wireless technologies, Bluetooth equips its network and devices with high-level services like file pushing, voice transmission and serial line emulation.
Bluetooth features include:
Bluetooth is used for the following:
The name Bluetooth comes from the Scandinavian word Blåtand/Blåtann, which originated from Harald "Bluetooth" Gormsson I, from Denmark and parts of Norway. He was a king, reined in the tenth century and united discordant Danish tribes into a single kingdom. Bluetooth established the name to indicate that they united communication protocols into one universal standard.
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