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12V 3mA 1-Channel Low Level Trigger Relay Module - Blue
The module complies with international safety standards£¬ control area load and area isolation groove; - With the power and relay action instructions£¬ pull bright disconnect and does not shine; - When a signal in the signal input terminal£¬ the common terminal and the normally start conduction; - Microcontroller development board can be used as a home appliance control module; - Control of the DC or AC signal£¬ can control 220V AC load; - There is a normally open and a normally closed contact; - Blue KF301 terminals to the line of control is more convenient.