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1pcs 8 NEW before selling ☆ Recommendation Channel Relay Module with optocoupler 5V Way Protection

1pcs 8 Channel Relay Module 5V with optocoupler Protection 8 Way


1pcs 8 Channel Relay Module 5V with optocoupler Protection 8 Way


Product description

Product introduction
The new 5V Relay Module
Can be used as microcontroller development board module can be used as home appliance control
5 V 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.

1pcs 8 Channel Relay Module 5V with optocoupler Protection 8 Way

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