DC12V Automation Trigger Cycle Delay Timer Control Relay Switch Module NE555

Module based on: NE555 chip. Main Chip (NE555) Characteristics Inputs and outputs are opto-isolated, enhanced anti-jamming capability Power P-11: Jog P-12: Self-locking P-13: Give signal, the relay will stop automatically for A seconds; the trigger will be invalid during the delay.

eBay