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  2. Wireless keyboard - Wikipedia

    en.wikipedia.org/wiki/Wireless_keyboard

    Portable keyboard with touchpad: Keyboard comes with integrated touch pad. [2] Portable with Stand - comes with tablet/smartphone stand [3] Roll-up wireless keyboard: wireless keyboard that can be rolled up when not in use. [4] Mini Wireless Keyboard: Palm sized keyboard with an integrated touch pad; uses thumb typing

  3. Electronic keyboard - Wikipedia

    en.wikipedia.org/wiki/Electronic_keyboard

    Electronic keyboard romplers usually incorporate sample-based synthesis, but more advanced keyboards might sometimes feature physical modeling synthesis. Amplifier and speakers: an internal audio power amplifier, typically ranging from less than 2.5 to over 30 watts, connected to the sound generator chip. The amplifier is then connected to ...

  4. Photovoltaic keyboard - Wikipedia

    en.wikipedia.org/wiki/Photovoltaic_keyboard

    A photovoltaic keyboard, or solar keyboard, [1] [2] is a wireless computer keyboard that charges its batteries from a light source such as the sun or interior lighting, addressing a major drawback of wireless computer peripherals that otherwise require regular replacement of discharged batteries. [citation needed]

  5. Keyboard technology - Wikipedia

    en.wikipedia.org/wiki/Keyboard_technology

    The keyboard sends the key code to the keyboard driver running in the main computer; if the main computer is operating, it commands the light to turn on. All the other indicator lights work in a similar way. The keyboard driver also tracks the shift, alt and control state of the keyboard.

  6. Computer keyboard - Wikipedia

    en.wikipedia.org/wiki/Computer_keyboard

    A wireless keyboard may use industry standard Bluetooth radio communication, in which case the receiver may be built into the computer. Wireless keyboards need batteries for power, and may be at risk of data eavesdropping. Wireless solar keyboards charge their batteries from small solar panels using natural or

  7. List of Logitech products - Wikipedia

    en.wikipedia.org/wiki/List_of_Logitech_products

    Wireless Presenter R400 2007 5: No: Yes: RF 2.4 GHz 2×AAA [70] Wireless Presenter R700 2007 5: LCD: Yes: RF 2.4 GHz 2×AAA [71] Wireless Presenter R800 2007 5: LCD: Yes: RF 2.4 GHz 2×AAA [72] Logitech Spotlight R-R0011 2017 3: No: No: Bluetooth Rechargeable Lithium Polymer, 85mAh Touch sensitive field, also works as a mouse. Custom Logitech ...

  8. Qi (standard) - Wikipedia

    en.wikipedia.org/wiki/Qi_(standard)

    Qi (/ tʃ iː / CHEE) is an open standard for inductive charging developed by the Wireless Power Consortium.It allows compatible devices, such as smartphones, to receive power when placed on a Qi charger, which can be effective over distances up to 4 cm (1.6 in). [1]

  9. Manual (music) - Wikipedia

    en.wikipedia.org/wiki/Manual_(music)

    (On instruments that have neither a pedalboard nor more than one hand-operated keyboard, the word "manual" is not a synonym for "keyboard".) Music written to be played only on the manuals (and not using the pedals) can be designated by the word manualiter (first attested in 1511, but particularly common in the 17th and 18th centuries). [1]