Re: [mh] Digital IO / weeder?

[H P. <hp...@gm...>]

I’ve got to say, that’s a bit of a confusing web site. The serial port protocol looks nice and simple, and I agree that serial_item should work. From what I figure, buying this: http://www.ebay.com/itm/110956290155?rmvSB=true <http://www.ebay.com/itm/110956290155?rmvSB=true> and then putting a dry contact on one of the digital IO pins, and it should just work?

$9 is better than a $80 weeder board (and then add in the cost of a USB to serial adapter)


> On Jul 9, 2016, at 4:42 PM, Jeff Siddall <ne...@si...> wrote:
> 
> On 07/09/2016 02:29 PM, H Plato wrote:
>> Hello,
>> 
>> I’d like to be able to monitor dry contact closures — I’ve picked up a relay that I think I can monitor my doorbell with.
>> 
>> It looks like someone has already done this with the weeder_doorbell.pl, just wanted to know what folks are using to monitor contact closures, and how reliable are they. Any comments or feedback on a cheap digital IO interface? I saw that Dan was working on GPIO and a raspberry PI, but I’d prefer something USB to just plug directly into the linux server.
> 
> Since no one else has picked it up I am working on a controller for 
> MySensors:
> 
> https://www.mysensors.org/about/
> 
> Unfortunately I don't have much time to spend on it and I'm not a 
> programmer so things are moving slowly.  So far it looks like the 
> sensors themselves work well and with a suitable amount of setup it is 
> pretty easy to get the gateway talking to MH via a serial_item.
> 
> Jeff
> 
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