Device that converts light into an electrical signal. These devices can detect light and react appropriately. For example, a photosensor may detect if it’s dark and turn on a light, or adjust the brightness and contrast on your display appropriately.

Display, Hardware terms, Signal

  • How to adjust the brightness or contrast on a laptop.
  • How to change brightness on Android phone, iPhone, and iPad.
  • Monitor, LCD, and display help and support.