5V Flip-Flop Latch Relay Module Bistable Self-locking Switch Board for Arduino
2,51 €
This is a bistable (self-locking) relay module,Trigger once, the relay pull (and holds);Trigger again, the relay releases (and holds). USE : By default, the relay is release, press the trigger button, the relay pull, press again, the relay release, the third press, the relay pull, and so on.
Jetzt bei Ebay:
