1 This product is a 4 channel flip-flop latch relay, and low pulse trigger module. 2 This is a bistable (self-locking) relay module,Trigger once, the relay pull (and holds);Trigger again, the relay releases (and holds). 3 USE 1: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. 4 USE 2:By default, the relay is release, MCU output low-pulse(0.3-1seconds), the relay pull, low-pulse again, the relay release, the third low-pulse, the relay pull, and so on. 5 Typical applications: Automotive electronics, Motor, LED, Smart Home, Emergency lighting, MCU development board, Toy car.
What's in the box
1 x Flip Flop Latch Relay Module, 4 Channel 5V Bistable Self Locking Control