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5V 4-Channel Relay Module Shield for Arduino

5V 4-Channel Relay Module Shield for Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 road 5V Relay Module

2,99 €
2,99 €
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Description

5V 4-Channel Relay Module Shield for Arduino ARM PIC AVR DSP Electronic 5V 4 Channel Relay.4 road 5V Relay Module

 

5V Relay Module

   Can be used as microcontroller development board module can be used as home appliance control

   5 V-12V to TTL control signal

   The control signal DC or AC, 220V AC load can be controlled.

   There is a normally open and one normally closed contact

   A power indicator light

   A control indicator, pull off, disconnect does not shine

   Transistor drive to increase the relay coil control pins high impedance.

   The control pin has a pull-down circuit to prevent malfunction relay vacant.

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