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  2. Bluetooth - Wikipedia

    en.wikipedia.org/wiki/Bluetooth

    A personal computer that does not have embedded Bluetooth can use a Bluetooth adapter that enables the PC to communicate with Bluetooth devices. While some desktop computers and most recent laptops come with a built-in Bluetooth radio, others require an external adapter, typically in the form of a small USB " dongle ".

  3. How to connect your headphones to your TV - AOL

    www.aol.com/connect-headphones-tv-230000120.html

    Whatever your noise-related issue may be, learning to connect your headphones to your TV is a super simple way to give yourself and the people you live with some much-needed peace.Using Bluetooth ...

  4. Audio headset - Wikipedia

    en.wikipedia.org/wiki/Audio_headset

    A USB headset for a computer also cannot be directly plugged into a phone's or portable media player's micro-USB slot. Smartphones often use a standard 3.5 mm jack, so users may be able to directly connect the headset to it. There are however different pin-alignment to the 3.5mm plug, mainly OMTP and CTIA, so a user should find out which ...

  5. USB microscope - Wikipedia

    en.wikipedia.org/wiki/USB_microscope

    The USB image of the underside of a sage leaf - more trichomes are visible on this side. A USB microscope is a low-powered digital microscope which connects to a computer's USB port. Microscopes essentially the same as USB models are also available with other interfaces either in addition to or instead of USB, such as via WiFi. They are widely ...

  6. Logitech Unifying receiver - Wikipedia

    en.wikipedia.org/wiki/Logitech_Unifying_receiver

    Logitech Unifying receiver (older) Logitech Unifying receiver (newer) Unifying logo The Logitech Unifying Receiver is a small dedicated USB wireless receiver, based on the nRF24L-family of RF devices, [1] that allows up to six compatible Logitech human interface devices (such as mice, trackballs, touchpads, and keyboards; headphones are not compatible) to be linked to the same computer using 2 ...

  7. Currency detector - Wikipedia

    en.wikipedia.org/wiki/Currency_detector

    A currency detector or currency validator is a device that determines whether notes or coins are genuine or counterfeit.These devices are used in a wide range of automated machines, such as retail kiosks, supermarket self checkout machines, arcade gaming machines, payphones, launderette washing machines, car park ticket machines, automatic fare collection machines, public transport ticket ...

  8. Assistive technology - Wikipedia

    en.wikipedia.org/wiki/Assistive_technology

    Similar to desktop video magnifiers, this technology assists people with low vision. After the user loads the software into their computer's memory, it serves as a kind of "computer magnifying glass". Wherever the computer cursor moves, it enlarges the area around it. This allows greater computer accessibility for a wide range of visual abilities.

  9. ccTalk - Wikipedia

    en.wikipedia.org/wiki/CcTalk

    The ccTalk protocol is a byte-oriented protocol.The series of bytes in a message—represented above as a series of decimal numbers—is transmitted as 8-N-1. Many devices have single electrical connector that carries both power (typically +12 V or +24 V) and the ccTalk data over a total of 4 wires.