1 Channel Relay Module 5V

1 Channel Relay Module 5V

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  • Trigger mode: High level
  • 5V relay module
  • Can be used for microcontroller development board module or home appliance control
  • 5V - 12V TTL control signal
  • Can control DC or AC signal, also 220V AC load
  • Normally open / closed contact
  • Controlled lights bright when pull and not shine when disconnect
  • Increase the transistor drive relay coils, control pins high impedance
  • Control pins have pull down circuit to prevent malfunction of relay vacant