[CQ-Contest] RELAY SWITCHING

[Gerry Hull]

Herb et al,

Yes, these relay boards are so very cheap and they work.  There is a US
Seller on ebay, and even Amazon has them available.  The SainSmart ones
have an optional IP-based controller; for $44, you can get a 16-relay board
with IP control.   Heck, you can't even buy the relays that cheap.

The software I'm writing will use these types of boards to drive any of the
Ameritron switches.  It makes sense to add a plugin to support hardware for
decoding BCD or other analog inputs.  The N1MM UDP scheme is a
hardware-free scheme.

I'm also going to be able to control the new HamPlus switches.

For those thinking of Bluetooth or Zigbee:  As long as IP is involved,
adding these to the mix is pretty straightforward.  I prefer RJ45 POE:
 Easy and cheap.

73, Gerry W1VE

On Sun, Dec 13, 2015 at 3:36 PM, Herbert Schoenbohm <herbs at vitelcom.net>
wrote:

> This Arduino 8X1 is superb at controlling a DXE 5 KW box mounted at the
> base of the tower with CAT 5 cable 150 feet long.  The Arduino is in the
> shack driven by the AUX output of the Ameritron RCS-12 which provides
> either automatic  BCD selection from the Icom or manual selection by the
> RCS-12 push buttons.  If you don't use the RCS-12 a small rotary switch
> with a wall wart will work.  You can't beat the price.
>
>
> http://www.ebay.com/itm/5V-8-Channel-Relay-Module-Board-for-Arduino-PIC-AVR-MCU-DSP-ARM-Electronic-/360724151178?hash=item53fcd5bb8a:g:d4kAAMXQ2dBSFhh1
>
>
> Herb Schoenbohm. KV4FZ
>
>
>
> On 12/11/2015 6:01 PM, Pete Smith N4ZR wrote:
>
>> Joe, there is a large family of such things available from China.  I had
>> one working to switch my RX antennas.  I coupled the 315MHz RF to the inner
>> condfuctor of 300 feet of coax and picked off the "wireless" signal at the
>> other end.  It switched fine, but I had trouble with other aspects of the
>> setup - losses in the DX coupler for the relay power - and eventually
>> scrapped the thing.  The relays may be a bit light for transmit antenna
>> switching, but should certainly work to switch other, heavier relays.
>>
>> My experiment is written up in NCJ for May-June 2014
>>
>> 73, Pete N4ZR
>> Download the new N1MM Logger+ at
>> <http://N1MM.hamdocs.com>. Check
>> out the Reverse Beacon Network at
>> <http://reversebeacon.net>, now
>> spotting RTTY activity worldwide.
>> For spots, please use your favorite
>> "retail" DX cluster.
>>
>> On 12/11/2015 10:58 AM, Joe wrote:
>>
>>> I was thinking of using one of these "AS IS" and if not strong enough to
>>> use them to control the actual heavier relays.
>>>
>>>
>>> http://www.goodluckbuy.com/12v-8-channel-wireless-rf-switch-relayremote-control-315mhz-for-light.html
>>>
>>> Joe WB9SBD
>>> Sig
>>> The Original Rolling Ball Clock
>>> Idle Tyme
>>> Idle-Tyme.com
>>> http://www.idle-tyme.com
>>> On 12/11/2015 8:44 AM, Chuck Dietz wrote:
>>>
>>>> Did you get any responses to this?  I am interested. I have a number of
>>>> antennas to switch and would like to get rid of the wires.
>>>>
>>>> Chuck W5PR
>>>>
>>>> On Thu, Dec 10, 2015 at 5:19 PM, Trent Sampson <vk4ts at outlook.com>
>>>> wrote:
>>>>
>>>> Having noticed a new change of tack by manufacturers to IP based antenna
>>>>> selection and a plethora of IP/ Relay driven devices reasonably priced
>>>>> on
>>>>> Ebay -
>>>>> Has anyone had any success using these items (EBAY) to control the
>>>>> likes
>>>>> of Six Packs or switched bandpass filters - and integrating with N1MM
>>>>> or
>>>>> the like ?
>>>>> Regards
>>>>>
>>>>> TrentVK4TS PO Box 275 Mooloolaba 4557 0408497550
>>>>> Please note I no longer use the WIA email address where possible owing
>>>>> to
>>>>> it blocking emails from sites such as VK Logger and ARRL.
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