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2Pcs 4 Channel Relay Shield 5V Module Four Way Channel Relay Control Board Expansion Board

KWD 4
Brand
Shutao
Weight
82 g
– 1 +

Special Features

  • High drive (5V or 3.3V) normally open contact closure, M3 screw positioning holes for easy installation
  • Standard for shield interfaces and shape can continue to stack other expansion boards
  • Onboard relay indicator (red)
  • 5V relay module is a small current signal control power equipment commonly used electronic module, enabling high-power single-chip control devices are widely used in SCM system to make smart home project; and can be directly plugged into the compatible the use of various types of motherboards, eliminating the patch cable troubles.
  • Note: When using the board connected to it, if USB interface is extremely high, should avoid green terminals are shorted its shell.

Description

5V DC relay, which relay1 behalf of the 1st relay , the other and so on
Power Interface : 5V DC power interface
Indicator: four lights are red when the relay is driven high , the corresponding indicator will light up
Relay Terminals: Terminal high-power , high-current high voltage can be connected to the device
The 1st foot ( i.e. NOx) is a normally open pin , NCx pin is normally closed , COMx is common
when the relay is not driven , NOx and COMx open between two pins , NCx and COMx connection ;
When the relay (x) control signal pin is high drive relays , NOx and COMx connection open between NCx and COMx.

Package include：
2 x 5V 4 channel relay shield

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