1 Channel 12V Relay Module with Optocoupler for Arduino DSP AVR PIC ARM.The module complies with international safety standards, control area load area isolation groove Genuine relay Songle-With the power and relay action instructions, pull bright disconnect does not shine. When a signal in the signal input terminal, the common terminal and the normally start conduction. The microcontroller development board can be used as a module that can be used as a home appliance control. The control of the DC or AC signal can control a 220V AC load. There are a normally open and a normally closed contact Blue KF301 terminals to the line of control is more convenient. Description of the high and low trigger, friends do not understand Take a look at it. The high-level trigger is a trigger voltage between the signal input and ground can be understood as a way of the signal input terminal and VCC cathode short trigger. The low trigger means is the voltage between the signal input terminal and the ground for the OV trigger mode can be understood as a way of the signal input terminal and GND negative short trigger.

Weight 20 g
Dimensions 4 × 1 × 1 cm

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