DC 5V Power Supply 2 Channel Relay Module with Optocoupler High Level Trigger Expansion Board

DC 5V Power Supply 2 Channel Relay Module with Optocoupler High Level Trigger Expansion Board

5.0 (3 Reviews)
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US$7.99
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Product Description

Details

Introduction
This is a 2-channel HIGH level trigger relay, apply to Arduino and Raspberry Pi. Relays are suitable for driving high power electronic devices such as lights, electric fans and air condition.
You can just uplug the headers to disconnect the device with the module after the experiment and don’t need to unscrew the wires in the socket.Kindly reminder:Be careful with your fingers when unplugging the headers.
There are two soldering points for 5V and GND at the two ends of the module. So you can just weld other relay modules to it and have a relay module of more channels, signals of which are independent of each other.
For more information, refer to the following linkage WIKI.

Component List
1 x 2 Channel Relay Module

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Well Made Module By Russ 2018-05-17 10:00:01

Very well made module and very adjustable. High quality.

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Cheaper to buy than build By Russ 2018-05-17 09:16:24

What a neat little device. I needed a timer to start a battery charger that requires a delay when powered up. This was cheaper to buy than build. It contains the terminals I need and will be almost plug and play.

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I don't have a ton of experience with plain PCBs with components on them, By J. 2018-05-06 14:21:54

I don't have a ton of experience with plain PCBs with components on them, but this product appears to be very high quality. I was expecting way less when I bought it. It was definitely worth the few extra bucks for a branded product. Of course it also works just as it should. I have three circuits running through this, one NC and two NO all switching without an issue.

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