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HUABAN 3 Pack KY-019 5V One Channel Relay Module Board Shield for PIC AVR DSP ARM for Android Relay
Product ID : 34694985
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34694985
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About HUABAN 3 Pack KY-019 5V One Channel Relay Module
1.New 5V Relay Module 2.Can be used as microcontroller development board module can be used as home appliance control 3.5V-12V to TTL control signal 4.The control signal DC or AC , 220V AC load can be controlled . 5.There is a normally open and one normally closed contact 6.A power indicator light 7.A control indicator , pull off, disconnect does not shine 8.Transistor drive to increase the relay coil control pins high impedance. 9.The control pin has a pull-down circuit to prevent malfunction relay vacant
