control panel vs control board

control panel and control board both are nouns.

Word	Noun	Adjective	Verb	Adverb
control panel	Yes	No	No	No
control board	Yes	No	No	No

As nouns, control panel and control board are synonyms defined as:

control panel and control board: electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices

Other synonyms of control panel include board, instrument panel, panel.

control panel (noun)	control board (noun)
electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices	electrical device consisting of a flat insulated surface that contains switches and dials and meters for controlling other electrical devices