Light-sensitive transistor.

Digital communication protocol for power-management devices.

Electrical voltage supply line.

Adapter allowing PCIe cards to be positioned differently.

Speaker using piezoelectric material to produce sound.

Pulse-width modulation used for power or speed control.

Hardware converting and supplying electrical power.

Cable extending a PCIe connection.

Sensor generating electrical signals from mechanical stress.

Fan whose speed can be controlled using PWM.