Sequencer

Sequencer may refer to:

Electro-mechanical sequencer (Drum sequencer (controller), Cam timer, Piwheel controller), a system for controlling the sequence of events automatically
DNA sequencer, a machine used to automatically produce a sequence readout from a biological DNA sample
Microsequencer, a part of the control unit of a CPU
Music sequencer, software or hardware device for recording, playing, and editing digital music data
Video sequencer, software or hardware that changes between video feeds - such as those used in Closed-circuit television (CCTV) or digital video editing
Protein sequencer, a machine used to automatically produce a sequence readout from a biological protein sample