Mobile Device Accessories


Touchpads, Trackpads, Drawing Pads

  • digitizer touch and gesture support built into touchscreens can be deployed in a variety of other form factors:
    • Touchpad
      • embedded panel on a laptop computer that is used for pointer control
      •  support multitouch and gestures
    • Trackpad
      • can mean the same thing as touchpad
      • but often used to mean a larger-format device attached as a peripheral
    • Drawing pad
      • large-format touch device attached as a peripheral
      • also called graphics tablets
      • used for sketching and painting in a digital art
  • touch device can require careful configuration to set up gesture support, calibrate to the screen area, and adjust sensitivity
    • performed via OS settings or by installing a driver or app for the device

Touch Pens

  • drawing pads and some touchscreens can be used with a touch pen or stylus
    • allows for more precise control and can be used for handwriting and drawing
      • functionality is often referred to as natural input
  • Touch pens designed for use with drawing pads have removable and changeable nibs for use as different pen/brush types with digital art applications

Microphone, Speakers, and Camera/Webcam

  • Mobile devices feature integrated audio/video input and output devices
  • On a laptop
    • the microphone is exposed by a small hole in the top bezel next to the camera lens and an LED to illuminate the subject
  • On smartphones and tablets
    • microphone and speakers are usually positioned on the bottom edge of the device
  • Wired headsets use either the 3.5 mm audio jack or a USB/Lightning connector