What should I pay attention to when choosing PCB relays? Here are four aspects to explain how to choose the appropriate PCB relay:

Flasher relay refers to a type of central control part that gives light signals during a turn or braking. Its essence is to flash the turn signals of the vehicle at a specified frequency for indications of the direction that the vehicle is turning toward.

The working principle of a 4-pin relay is based on the phenomenon of electromagnetic induction