So what relay should I use?
From: TJ Trout
Sent: Sunday, September 29, 2019 2:04 PM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] OT Remote Control
eWeLink pcb's work pretty well for smartphone/internet controlled relays, about
$10 ea and have a good cloud system
On Sun, Sep 29, 2019 at 12:49 PM <ch...@wbmfg.com> wrote:
I tested my system again today with better antennas. Maybe 2 miles of
reliable functionality. I need 3 miles. That is a half roll of fiber.
I am starting to lean away from radio remote control. I presume there are
some cloud based switches that I could use? Just drop my cell phone into a box
with the hotspot turned on. A local cloud based relay can then be controlled
from another cell phone at the other end?
Does any of the unifi stuff provide this functionality?
From: Lewis Bergman
Sent: Sunday, September 29, 2019 11:04 AM
To: AnimalFarm Microwave Users Group
Subject: Re: [AFMUG] OT Remote Control
Chances are pushing won't have the coverage you want. I still on a passing
system and we used to have hundreds of transmitters. Now we have maybe 10.
Why don't you get a higher power mobile and file for an itinerant license?
Digital radios normally have some i/o capability built in as well.
I know they won't be as cheap as the $30 BF junk though. At least some of
that gear isn't FCC certified.
For a guy that likes to roll his own there are a lot of options.
On Sun, Sep 29, 2019, 10:57 AM Chuck McCown <ch...@wbmfg.com> wrote:
That would do it.
From: Adam Moffett
Sent: Sunday, September 29, 2019 9:54 AM
To: af@af.afmug.com
Subject: Re: [AFMUG] OT Remote Control
They used to make pagers with a relay in them. Are pagers still a thing?
On 9/29/2019 11:08 AM, Chuck McCown wrote:
I built a remote control to turn on the air flow from a 175 PSI 375 CFM
compressor so that I don’t have to have someone manning a compressor when
blowing sponges through miles of duct.
Using Baofeng and Retevis VHF murs frequencies with DTMF control.
Not terribly happy with the range. It is only reliable for 2-3 miles at
most.
Going to get some 5/8ths wave mag mount for the vehicle but not sure that
is going to help all that much.
Could try UHF but I doubt it will be much better.
Anyone know of a radio switch type of thing that works will cell phones?
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