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12v relay

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12v relay Customers Reviews

  • Easy to use device for separate your micropocessor from the rest on circuit

    posted by richardfabo

    It's easy to use, when you know, where should be connected what. It comes without scheme, but connection is easy:VCC + GND = +12V DC and GNDIN1 .. IN4 = your 5V outputs from microcontrollerCOM = your GND from microcontrollerGND = the same as 12 V GNDNote: there is a jumper for connecting COM (=microcontroller GND) and GND (=12V source GND), to have the same potential. But this is not needed, when disconnected, the circuit of microcontroller and other 12V circuit are isolated (unless there is any other connection)...Other pros: red LEDs showing state of relais (on/off), one LED is ON when 12V DC supply is present.
    It solid and good contruction, also soldering is nice and proper. The faulty relay can be easily replaced.
    Worthy to buy.Cheaper than buy the parts anf build by yourself.
  • Excellent!

    posted by Revell

    I have bought 15 of these in total. I use them for many different kinds of functions in my 12v truck. And I have never had a problem with any of them. So they are very durable. There is a small LED that ligths up when the relay is active. I only use these as opposed to the single slose och open type relays. With these I get three in one functionality (open/closed/switching)!The metall fastener can be flipped up side down. The price is awesome!
    None.
    If you need a switching relay, get this! It will not dissapoint!
  • good horn, good sound, good quality, not loud as you would expect. Equals a

    posted by Boskimano

    It's well built, compact and as nice as its pictures. Pitch and tone of sound is great.
    The box where it came has instructions for another model, not the one that came.
    Nice horn to improve the sound, but won't make you loud enough. For a few more dollars you can buy a really loud horn in a specialized store.
  • Great little piece of electronics!

    posted by messersDX

    Very good priceWorks greatStandard cable shoe plugsTested with maximum Amperage, still works
    I used it for charging a second battery in my car, to start charging when the dynamo is running. This setup works great! The second one I ordered was installed for fog lights, also working perfectly, while using buttons (also ordered on this site) that can't handle large currents.
    Perfect quality / price ratio, work flawlessly, standard cable shoe plugs, comes with mounting bracket; no cons, I would reorder them anytime.
  • 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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