DC 12V 1 Channel Relay Module FRM01 Multifunction Relay Loop Delay Timer Switch Self-Locking Timing Board 1 * FRM01 12V multi-function relay control module

DC 12V 1 Channel Relay Module FRM01 Multifunction Relay Loop Delay Timer Switch Self-Locking Timing Board 1 * FRM01 12V multi-function relay control module

Module interface: Module control end: there are 3-wire interfaces and all interfaces have terminals which are convenient for users to use. 1. DC+: positive pole of DC power supply (5V 12V and 24V modules are available). 2. DC-: negative pole of DC...


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