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2 channel relay

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2 channel relay Customers Reviews

  • Really nice relay controller

    posted by Cimistus

    Looks really well built. USB side is quite well insulated from the relays, so using even high voltages shouldn't be a risk.
    Suitable case may be an issue, but then again, DYI cases are plenty. Also a little bit of searching and I found linux software too ( https://github.com/davidbuechi/UsbRelay ). Board also seems to have external +5V input possibility, which propably makes it possible for the relays to keep their state even if controlling computer is shut down - haven't tried it, though.
    Nice little USB controlled relay board for whatever you want to control.
  • Really nice Relay for the price

    posted by tedao00

    For people who like prototyping stuff it is a really nice module. Very easy to use and very well built. For the price it is a really nice thing to purchase.
    Very well built, very cheap, nice quality, nice for home projects for hobbyist and student. Written in chinese, but this is not a big problem.
    A must have for those who make projects at home. If you need and would use, purchase it.
  • Quite nice shield for controlling loads

    posted by rickkonz

    Easiest way to get 2 relays under arduino control, can replace other xbee sheields, but even if you dont need that, its still a good buy.Screw terminals for Vin are a good start.Jumpers to configure the xbee connection so that you can keep the hardware serial going to the host computer.
    Not tried the Nrf or other wireless headers yet
    For low voltage switching its a great shield. Mains voltage - no way.
  • Just what I was looking for...

    posted by Atron25

    If you want to go to the next level with your DIY projects or develoment mockups, go for it. Good quality material and excellent performance for this price is a good deal.It also works when you feed it with 3v.
    Nothing more to say...
    I'd to recommend this product to anyone, even if you don't have electronics knowledge.
  • 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.

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