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Internet of Things
Forum Shelly 1 interference with garage door remote
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  • shelly
  • shelly interference
  • garage door
Related

Shelly 1 interference with garage door remote

feiticeir0
feiticeir0 1 month ago

Hi all.

I'm having a problem with a shelly 1 and my garage door remote.

Recently I've connected my two garage door motors with shellys 1 .

One of them is working perfectly fine with the shelly safe inside the motor housing.

The other one, before the shelly, I was able to open the door with the remote from 10m-15m away (32 ft to 49 ft more or less). With the shelly connected, I'm only able to open the door with the remote, just from 5m (16ft) away.

The motor board is not the same - one is TE120 (working fine) and the other one is ATH10 (the situation described above).

image

image

One thing I did noticed was (the one where the distance was reduced), when I was testing, I had the shelly on a 10m (32ft) wire, rolled around an aluminum ladder on the wall and it was working fine. When I reduced the wire (to leave everything nice and tidy on the wall), this started to happen.

I use the same remote for both (different buttons) . I've switched the shellys - could it be a faulty one - but the problem remained.

Could a ferrite filter solve the problem ? Or at least attenuate some interference ?

Thank you

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Top Replies

  • Jan Cumps
    Jan Cumps 1 month ago +3
    glad that it's OK now. When I had little children, the family on the other side of the street could not open their garage door when we had the baby-phone on. It took a while to make that connection…
  • Jan Cumps
    Jan Cumps 1 month ago in reply to beacon_dave +3
    The high speed trains between Amsterdam and Antwerp would randomly fail after crossing the Dutch-Belgian border. Software would lock up. Took a while to solve that too ...
  • kmikemoo
    kmikemoo 1 month ago +2
    feiticeir0 I did not find your Shelly board on the internet, however... if the wire closest the oscillator is your antenna, the lower picture appears to have a shorter one than the upper picture. It's…
  • obones
    0 obones 1 month ago

    Wouldn't adding a metallic shell around the ATH10 board be appropriate in this case?
    I mean, it seems it's the one doing the interference, so maybe it radiates too much and a grounded shield would sufficiently attenuate the interference

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  • JWx
    0 JWx 1 month ago

    they were remote controlled before and shelly reduced remote's range in one case? do you know where is receiver antenna installed? maybe module installation is obstructing the antenna, thus reducing range? what frequency is this remote?

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  • feiticeir0
    0 feiticeir0 1 month ago in reply to JWx

    the antenna is on the front. the shelly is on the back of the casing.  I don't know the frequencies.. It's very hard to find any informartion on the board. I can only find instructions on how to program it - no schematics or specifications...

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  • feiticeir0
    0 feiticeir0 1 month ago in reply to obones

    What do you mean ? The board is screwed to the casing. can I try with a aluminium foil and see ? Smiley

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  • kmikemoo
    0 kmikemoo 1 month ago

    feiticeir0 I did not find your Shelly board on the internet, however... if the wire closest the oscillator is your antenna, the lower picture appears to have a shorter one than the upper picture.  It's definitely a smaller gauge, but that shouldn't be of much impact.  Length does matter.  I would duplicate the length for the one that is operating correctly and try it on the other one.

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  • shabaz
    0 shabaz 1 month ago

    Hi,

    A detailed diagram of the system could help immensely. Showing all the connections and supply wiring too, motor wiring, etc.

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  • feiticeir0
    0 feiticeir0 1 month ago in reply to feiticeir0

    I'm not sure about the frequency. There's not much documentation that I could find - I'm guessing 868MHz

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  • feiticeir0
    0 feiticeir0 1 month ago in reply to kmikemoo

    It's Shelly 1.

    image

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  • anniel747
    0 anniel747 1 month ago in reply to feiticeir0

    FCC number?

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  • feiticeir0
    0 feiticeir0 1 month ago in reply to feiticeir0

    You are correct. Those wires are the antenna.

    And the shorter one is the one working perfectly fine ! Smiley

    I can try to shorter the other one and see ! Slight smile

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