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12v relay module

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12v relay module Customers Reviews

  • Extremely Versatile and Fantastic Range

    posted by GreginOtago

    Has three different types of operation, select-able by a pin switch. This provides great versatility with the two buttons on the Remote. Remote has a huge range - I have it operating flawlessly over 50 metres to the receiver, which in inside a steel box and located behind a small berm (although the receiver's aerial is located inside a small waterproof plastic cap located at the end of the metal box - still impressive though!)
    So good, I ordered a second one.
    Very good value for money.
  • Original piece

    posted by Vinilostore

    It is an original Arduino product. Good assembly and all inputs and output are labeled. It arrived safelly packaged in a bubble bag inside a carton box. Low price.
    I think that is a good buy.It can be useful for another electrical circuit, although arduinos
    I would buy another if i need it because of it reasonably price.You have the security that is an authenthic product.
  • Very, very good

    posted by MildLeeIntrstd

    Very easy to understand use. 5v circuit includes current limiting resistors, so you can run this directly from a microprocessor.12V relay coil circuit includes "flyback" diodes for suppression of back EMF spikes.Well built.
    + 12Vdc supply for driving relay coils goes to "VCC" pin.0V for this circuit goes to "GND" pin.+5Vdc on any of the input pins will switch the associated relay. 0V for this circuit goes on the "COM" pin."COM" and "GND" can be linked with the supplied jumper. I have used a common ground rail to run two of these modules with a microcontroller sharing the same ground rail with no problems.
    Be careful that you understand the required circuit to run the relays. You need to SOURCE +5V onto an input pin to run that relay and COM is your 0V. You do NOT put +5V on the common and SINK the inputs to ground.
  • Excellent relay module for quality and price.

    posted by EdTronique

    I have spent some time using much more expensive computer controlled modules in the past that were similar to this but this one channel relay module beats them all for quality to price ratio. This single relay channel can easily be adapted to most computer interface to control remote things such as opening / closing a garage door, controlling lights and can also be easily controlled by an Arduino or Raspberry PI. Easy to configure and control with any most PC programs or with an Arduino.
    Great singlechannel domestic voltage control module. Including a one page manual of operation could be a welcome addition - for $.50 cents extra if needed.
    Excellent unit built superbe quality for its affordably low price.

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