hat
Nan ekzanp sa a, relè a konekte nan nòmalman fèmen, Si ou fèmen a Franbwaz, se travay; Si conectásemos li nan nòmalman louvri, Lè déconnexion Aux lanp pa ka s' paske chan de kous la ta louvri; Nou p'ap konprann sa pi bon ak yon videyo.
eng
In this example, the relay is connected in normally closed, so if you turn off the Raspberry, plugs work; If conectásemos it in normally open, When disconnecting the Raspberry lamp not may ignite because the circuit would be open; We will understand it better with a video.