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A cost effective Web Relay control

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Comments

  • Charlie_KB8CR
    Charlie_KB8CR Member ✭✭
    edited May 2019
    That is the one I originally planned on buying, but for control software it seems that you either have to buy a 3rd party program, or use command line stuff. I wanted something that I could control with a GUI.

    Charlie
  • Warren Merkel
    Warren Merkel Member
    edited May 2019
    I whipped up this simple browser interface for a Flex Alpha tester using an 8266 and a 4 relay board.   It allows members of the Flex Alpha team to execute remote up/downgrades and SmartLink association.  The blue areas are clickable buttons that turn red when active.  
    It is a paired down version of the antenna controller I mentioned earlier in this thread.  The UI is similar.   I've found the 4 channel relay boards with an 8266 for under $5 now.

    Warren, KD4Z

  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited May 2019
    Hi Charlie

    It does have a Web GUI.  And, then you are not dependant on Windows to control it.

    Mike

    image
  • Charlie_KB8CR
    Charlie_KB8CR Member ✭✭
    edited May 2019
    Michael.....That would work fine, but When I was on their website, I didn't see where to get that application. There were links to other sites but they had license fees of $45 for apps. Is this screen native to the unit (ie: in it's firmware?)

    Charlie
  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited May 2019
    Hi

    There is no application.  You plug the relay into your network and then enter the network address, like http://192.168.0.68.   It is all built in.  You do this from a web browser.

    They outline it on their page:  https://info.kmtronic.com/kmtronic-lan-ethernet-ip-8-channels-web-relay-board.html

    Mike

  • Charlie_KB8CR
    Charlie_KB8CR Member ✭✭
    edited May 2019
    Thanks, Michael.......I just ordered one. Looks like it'll take some time to get here from Bulgaria.
  • johna8119
    johna8119 Member ✭✭
    edited May 2019
    In answer to your question about tying the relays together, you can do this.  You simply run jumpers from the "hot" line of the relay coils which you wish to operate simultaneously.  I have done this in order to switch both legs of the 240v power to my linear.  The control software may not reflect that all the relays which you have tied together have been opened (or closed).  If it is an entire relay bank, that is no problem.  But if you have some relays on the bank performing other duties that are not tied together with others, you just have to remember which is which.  I haven't found that to be an issue.
    The Sainsmart relay cards have worked well for me.

    73
    John
    W4KV
  • Mike-VA3MW
    Mike-VA3MW Administrator, FlexRadio Employee, Community Manager, Super Elmer, Moderator admin
    edited May 2019
    test

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