A three terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider

A system designed to automatically maintain a constant voltage

Have a low cost and simple structure and frequently used as light sensors.

A semiconductor device used to amplify or switch electronic signals and electrical power.

A passive two terminal electrical component that implements electrical resistance as a circuit element

If you are not familiar with the unit, study the service manual or search videos about the unit

Emergency lights are a type of light that has no battery back up

In electronics, what does the acronym AVR mean?