12V 1 Channel Red Color Relay Module

12V 1 Chanel Relay Module With Optical Coupling Isolation Support High And Low Level Trigger .

Introduction:

• 1, this module is in line with international safety standards, the control area and the load area have isolation tank;
• 2, the use of pine music authentic relay;
• 3, with power supply and relay indicator, pull off bright, bright;
• 4, signal input signal, the public side and often start will lead;
• 5, can be used as a microcontroller development board module, can be used as a home appliance control;
• 6, control the DC or AC signals, can control the 220V AC load;
• 7, there is a normally open and a normally closed contact;
• 8, blue KF301 terminal connected to the control line is more convenient.

৳ 69.00

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On the high level and the low level of the trigger instructions, do not understand the friend please look at:High level trigger refers to the signal input terminal and the ground between the trigger mode, can be understood as the signal input and VCC cathode short-circuit trigger a way;Low level trigger refers to the signal input terminal and the voltage between the ground for the OV trigger mode, can be understood as a signal input terminal and GND negative short-circuit trigger a way