4 Channel Relay Module


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  • color – Black

4 Channel Relay Module

The new 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

Additional information

Dimensions 7 × 5 cm
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