1 Channel 5V Relay Module KY-019


Specifications: The new 5V Hand-off Module There is a typically open and one regularly shut contact A power marker light A control pointer, pull off, separate doesn’t sparkle Can be utilized as microcontroller improvement board module can be utilized as home machine control 5 V-12V to TTL…



  1. The new 5V Relay Module
  2. A power indicator light
  3. Can be used as microcontroller development board module can be used as home appliance control
  4. Transistor drive to increase the relay coil control pins high impedance.
  5. The control pin has a pull-down circuit to prevent malfunction relay vacant.
  6. There is a normally open and one normally closed contact
  7. 5 V-12V to TTL control signal
  8. The control signal DC or AC, 220V AC load can be controlled.
  9. A control indicator, pull off, disconnect does not shine


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