1-Wire Sensors

Ask questions about the GEM here.
Teken
Posts: 2700
Joined: Wed Dec 15, 2010 4:09 pm
Location: The Bad Lands

Re: 1-Wire Sensors

Post by Teken » Fri Oct 28, 2016 4:32 pm

If you scanned older threads many of the things you indicated were listed in the new feature requests for the product. Like you I also determined that using a 3rd party 1 wire module was required and thus went with Autelis because it offered the tight integration I needed for my entire home automation system.
Teken . . .

My ongoing projects thread: http://www.brultech.com/community/viewt ... ?f=2&t=929
Buy me a cup of coffee: https://www.paypal.me/Teken https://gfinotify.com/ Discount Code: PC10
gosmond
Posts: 14
Joined: Thu Oct 27, 2016 9:00 pm

Re: 1-Wire Sensors

Post by gosmond » Fri Oct 28, 2016 4:47 pm

Teken wrote:If you scanned older threads many of the things you indicated were listed in the new feature requests for the product. Like you I also determined that using a 3rd party 1 wire module was required and thus went with Autelis because it offered the tight integration I needed for my entire home automation system.
Yes, that's what I was referring to, all the older requests. Wondering what the status on those is, if any. Most particularly increasing the number of temp sensors. Any progress on that front Brultech?

And, IF it was implemented, would it require changes to the hardware, or could it be pushed out in firmware alone?

If it was in the pipeline as a firmware update that would encourage me to buy a GEMS sooner rather than later. (I compared carefully with a TEDPro/5000 -- the accuracy on the TED series seems to be a bad joke, they offer only +/- 7% on average, "5% with calibration," and a minimum wattage reading (on their smallest coil) of 60 watts!)

---
A bit off-topic:
Re: Home automation (HA) -- I've chosen to go with OpenHAB for home automation, due to zero software cost and maximum flexibility / hackability. I've read about well-developed OpenHAB interfaces / hooks for the GEMS, will post here if /when I get a GEMS working w/ OpenHAB.)

I particularly like OpenHAB because it is hardware-agnostic, you can pick & choose what works best for you -- CPU speed vs. power& heat trade offs, storage, RAM, types & numbers of ports, etc. And, being hardware agnostic it is easier to troubleshoot in public-forum setting because the bulk of the troubleshooting is *in the public code repository,* not in proprietary firmware.

I strongly considered MiCasaVerde early on but after reading through their forums I realized it was a total nightmare because everything depends on the opaque & apparently poorly-maintained MCV firmware.
Teken
Posts: 2700
Joined: Wed Dec 15, 2010 4:09 pm
Location: The Bad Lands

Re: 1-Wire Sensors

Post by Teken » Fri Oct 28, 2016 5:22 pm

My understanding is the eight 1 wire for the GEM in its current form is the limit. I believe going the route via openHAB is most excellent but for those looking for a plug and play approach that eliminate most casual users.


=========================

The highest calling in life is to serve ones country faithfully - Teach others what can be. Do what is right and not what is popular.
Teken . . .

My ongoing projects thread: http://www.brultech.com/community/viewt ... ?f=2&t=929
Buy me a cup of coffee: https://www.paypal.me/Teken https://gfinotify.com/ Discount Code: PC10
ben
Site Admin
Posts: 4254
Joined: Fri Jun 04, 2010 9:39 am

Re: 1-Wire Sensors

Post by ben » Mon Oct 31, 2016 10:22 am

gosmond wrote: Yes, that's what I was referring to, all the older requests. Wondering what the status on those is, if any. Most particularly increasing the number of temp sensors. Any progress on that front Brultech?

And, IF it was implemented, would it require changes to the hardware, or could it be pushed out in firmware alone?
We won't be able to increase the amount of temperature sensors the GEM supports unfortunately. The 1-wire and pulse count are controlled by the same processor.

If you want to run a bunch of 1-wire temperature sensors, a 3rd party solution is the best way to go as you're likely to get a higher resolution out of them also.

In hindsight, if we knew temperature was going to pick up like it did, we would've implemented it differently.
Ben
Brultech Research Inc.
E: ben(at)brultech.com
gosmond
Posts: 14
Joined: Thu Oct 27, 2016 9:00 pm

Re: 1-Wire Sensors

Post by gosmond » Fri Nov 04, 2016 7:19 pm

ben wrote: ...
If you want to run a bunch of 1-wire temperature sensors, a 3rd party solution is the best way to go as you're likely to get a higher resolution out of them also.

In hindsight, if we knew temperature was going to pick up like it did, we would've implemented it differently.
Thanks for the update.

I'm going with the OW-SERVER product from Embedded Data Systems. Relatively cheap at ~$100, built-in web interface, open API, supports up to 22 (twenty two) 1-Wire devices, also well-supported by OpenHAB.

Side note: 22 devices is still on the low side for my taste, EDS also makes the HA7NET product, an older item that supports up to about 100 devices. But the HA7NET firmware is no longer being updated and it is not well-supported in OpenHAB.
JoeSoMD
Posts: 20
Joined: Mon May 26, 2014 9:54 am

Re: 1-Wire Sensors

Post by JoeSoMD » Sun Dec 25, 2016 11:04 am

Teken, can you clarify for me please...

I have an existing energy monitor on my geothermal system called "ewise". I don't think it is supported anymore - although I still pay a site to host the data that it pushes out. It is inaccurate on the power monitoring side but good on the temp monitoring side.

I am in the process of replacing it with a GEM (power part for all circuits in the house is done - see attached picture). Now I want to migrate the 8 temp sensors (outside air temp, 5-foot ground temp, ground water loop in/out, HVAC supply air temp in/out, and hot water boost temp in/out) to the GEM. So I've essentially got an existing 1-wire network. I can use an arduino to get the addresses of each sensor using code I found on the emonx (sp?) site, and with the data coming from each I can figure out which is which.

So what do you guys mean when you say enroll them one at a time? Do I have to physically disconnect all but the sensor being enrolled, or can I enter an address, one at a time, into the GEM and go from there? Hopefully so because it will be a pain to physically disconnect each sensor :)

Thanks in advance. I sincerely appreciate all the advice you have given me.

Joe Kubinec
Hollywood, Maryland
Attachments
IMG 20161224 173315.jpg
IMG 20161224 173315.jpg (537.66 KiB) Viewed 2152 times
Teken
Posts: 2700
Joined: Wed Dec 15, 2010 4:09 pm
Location: The Bad Lands

Re: 1-Wire Sensors

Post by Teken » Sun Dec 25, 2016 11:44 am

Hello Joe,

You sure can enter the MAC address of the 1 wire sensor if its known into the GEM. I would highly suggest you copy and paste the MAC address value instead of typing them in to save time and ensure accuracy of the value(s).

Merry X-MAS!
Teken . . .

My ongoing projects thread: http://www.brultech.com/community/viewt ... ?f=2&t=929
Buy me a cup of coffee: https://www.paypal.me/Teken https://gfinotify.com/ Discount Code: PC10
Post Reply