4 Channel 5v Relay Shield Module  Expansion Board for UNO R3 Mega 2560

4 Channel 5v Relay Shield Module Expansion Board for UNO R3 Mega 2560

Rs.590.00
Product Code: ML-2092
Availability: In Stock
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Product Description

Relay Shield (ie 5V Quad 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.

 

Module features are as follows:

1. Standard For Shield interfaces and shape

2. Can continue to stack other For  expansion boards

3. 3 M3 screw positioning holes for easy installation

4. High Drive (5V or 3.3V) normally open contact closure

5. Onboard relay indicator (red)

Special Note: When using the For UNO board connected to it, because UNO USB interface is extremely high, should avoid green terminals are shorted its shell.

 

Relay Shield Interface: (the last picture show)

Relay: sky- 5V DC relay , model HJR-4102-L-5V, 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, i.e., 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.

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