Description
1 Channel 5V Relay Module for Arduino experiment or Appliance Control
1 ,New 5V Relay Module
2 , can be used as microcontroller development board module can be used as home appliance control
3,5 V-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 , power indicator light
7 , 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 vacan
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