Network-controlled power switches/relays?

[Matt Minuti]

Might want to take a look at the sonoff switch modules. Basically a
wifi-controlled relay you can flash them with different firmware. Dirt
cheap, too!

On Tue, Aug 22, 2017, 5:03 PM Mac <ussndmac at charter.net> wrote:

> Just had the experience of designing a multiple outlet web switch.
>
> JAVA/Browser UI with python/RaspPI controller.
>
> In this case I had some serious in rush current issues for a couple of
> devices being controlled.
>
> Ultimately switched to SSR's that were rated at nearly 10 x the current
> rating of the devices to avoid welded contacts or fried SSR's.
>
> It works, but I'll probably re-write the software with a custom GUI and
> skip the web sockets for udp.
>
> Mac
>
> On Tue, Aug 22, 2017 at 3:52 PM, Tom Buskey <tom at buskey.name> wrote:
>
>> I had used a web based PDU with ~ 6 outlets and you could toggle them
>> individually.  I wish I could remember the brand/where I got it.  It was
>> under $200, maybe closer to $100 and a great deal.  I think it was a
>> Cyberguys thing.
>>
>> There are other PDUs that can do that.  eBay might be the only way to get
>> one under $500.
>>
>> Some UPSes can toggle power per port.  They can certainly turn everything
>> off.  Networked ones do so via SNMP/web/telnet/ssh.
>>
>> At work, we have a WTI unit that will toggle power.
>>
>>
>> On Tue, Aug 22, 2017 at 3:33 PM, Joshua Judson Rosen <
>> rozzin at hackerposse.com> wrote:
>>
>>> Anyone have any experience with ethernet-controlled power relays?
>>>
>>> I have a situation with a couple of embedded Linux appliances I'm
>>> working on,
>>> that are deployed hundreds of miles away from me, and I need the ability
>>> to power-cycle one of them remotely. Looking for some sort of
>>> remote-controlled
>>> AC outlet or relay (relay could be an 120V AC relay or a 12VDC relay,
>>> actually...).
>>>
>>> Need one that I can control from a shell login on the other Linux machine
>>> at the site, e.g.: a socket interface I can drive with netcat or the
>>> like,
>>> a web interface that works with w3m or curl, SNMP.... Any of those would
>>> be fine.
>>>
>>> I see a lot of different devices on Amazon that look like they might
>>> require
>>> an iPhone or Android device running some proprietary GUI app on the LAN,
>>> but I'm having trouble telling which are worthwhile and which will be a
>>> waste of time.
>>>
>>> Suggestions?
>>>
>>> --
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>>> https://status.hackerposse.com/rozzin>
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>>
>>
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