Question about Electronics - Others
According to Wikipedia "Optoelectronic devices are electrical-to-optical or optical-to-electrical transducers, or instruments that use such devices in their operation."
Optoelectronics being "the study and application of electronic devices that source, detect and control light, usually considered a sub-field of photonics. In this context, light often includes invisible forms of radiation such as gamma rays, X-rays, ultraviolet and infrared, in addition to visible light. " (wikipedia)
Posted on Jul 15, 2013
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Posted on Jan 02, 2017
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In order to find other Bluetooth devices, Bluetooth device A must be set to discoverable mode. When set to discoverable, Bluetooth device A will allow other Bluetooth devices to detect its presence and attempt to establish a connection.
You may set your discover setting off if you like (It is recommended that you turn it off when not using the Bluetooth). When the discover setting is off, no other Bluetooth device will be able to find it. Undiscoverable devices can still communicate with each other but they have to initiate communication themselves.
Usually the discoverable device will indicate what type of device it is (Such as a printer, cell phone, headset, etc.) and its Bluetooth device name. The Bluetooth device name is the name that you give the Bluetooth device or the factory name that originally was programmed.
With advanced devices (i.e. computers, smartphones), both users must agree on the Passkey and enter it into their device. The code can be anything you like as long as it is the same for both Bluetooth wireless devices.
On other devices, such as Bluetooth headsets, the Passkey stays the same. Refer to the product's manual for the default passkey. Most often, the default passkey is "0000".
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