Siemens Wedge brake technology

A conventional electromechanical brake (SOURCE: Jim Louderback/Ziff Davis Internet News)

The wedge brake, by contrast, includes a computer, a controller and two motors that slide the pads toward and away from the rotors. It runs on the standard 12 volts found in most cars and weighs a lot less. (SOURCE: Jim Louderback/Ziff Davis Internet Ne

Yup, its a computer. Note the telltale microchip giveaways. The computer controls braking, pressure, ABS systems and adaptive braking, and can be upgraded. The system also includes its own battery, in case the main car battery dies. (SOURCE: Jim Louder

Siemens wedge diagram shows how the brake technology works. (SOURCE: Jim Louderback/Ziff Davis Internet News)