Analog Voltage Transmission Over The Air

[GraysonPeddie]

Note: A question was asked in this thread.

Is there a way to go from:

Temp sensor ------> Analog Voltage Wireless Transmitter - - -> Analog Voltage Wireless Receiver -----> Elk's Zone Input

without M1XRF2G involve?

My thinking is that this will require batteries but I don't know how much much energy the transmitter/receiver will use.

Does a wireless transmitter/receiver really exist?

 

[b_weijenberg]

The wireless transmitter/receiver really exist!
Look at the RFXSensor at rfxcom.com.
The sensor transmits the voltage for the temperature but also the supply voltage and the A/D voltage.
The sensor works about 2 years on a normal 9Volt block battery.
The RFXSensor can be received by an RFXCOM receiver but also by the W800RF32.
The 310MHz version is used in the US and Canada.
The 433.92MHz version is used in Europe.

Bert

Note: A question was asked in this thread.

Is there a way to go from:

Temp sensor ------> Analog Voltage Wireless Transmitter - - -> Analog Voltage Wireless Receiver -----> Elk's Zone Input

without M1XRF2G involve?

My thinking is that this will require batteries but I don't know how much much energy the transmitter/receiver will use.

Does a wireless transmitter/receiver really exist?

 

[GraysonPeddie]

Well, I guess I could've searched....

I'll post the link to the other thread.

Thanks!

 

[electron]

I didn't realize there were working RF temp sensors out there, compatible with the W800RF32. That's a pretty big deal, since the W800RF works with the Elk M1 (not sure if temp readings are supported yet tho).

 

[fleetz]

The wireless transmitter/receiver really exist!
Look at the RFXSensor at rfxcom.com.
The sensor transmits the voltage for the temperature but also the supply voltage and the A/D voltage.
The sensor works about 2 years on a normal 9Volt block battery.
The RFXSensor can be received by an RFXCOM receiver but also by the W800RF32.
The 310MHz version is used in the US and Canada.
The 433.92MHz version is used in Europe.

Bert

Note: A question was asked in this thread.

Is there a way to go from:

Temp sensor ------> Analog Voltage Wireless Transmitter - - -> Analog Voltage Wireless Receiver -----> Elk's Zone Input

without M1XRF2G involve?

My thinking is that this will require batteries but I don't know how much much energy the transmitter/receiver will use.

Does a wireless transmitter/receiver really exist?

Hi Bert,

You make some nice gear!

What I am looking to do with my ELK M1 is two things.

1 Get the current swimming pool temperature into my M1 by using an analog zone on the M1. Have you had any experience in doing this with your product? It is located about 20 metres from where the M1 is installed. I would like to install the temp sensor in the solar pump intake in the 40mm PVC pipe it is relatively low water pressure so as the solar controller has I could drill a hole in the PVC pipe and insert a rubber grommet od sorts and have a temp prob water tightly installed.

2. I would like to get relative humidity into the M1 as well so I was thinking a OregonScientific TX...I have not got any of their product yet and would purchase that as part of a RFX solution.

Both would need to have a linear voltage vs temp relationship which would need to known so I could make use of the recovered analog voltages and do what I need to do under rules programming within the M1.

With due respect to ELK this is a weakness in their product offering and I know that there has be a good number or M1 users on the forum here wanting to get humidity readings into the ELK M1. I am sure the swimming pool application is one that might generate some good interest especially if you can offer the temp sensor with a rubber installation grommet into PVC piping.

Anyway some application that your product probably already covers so would be interested in your input and what would best suit these applications.

Regards,

Fleetz

 

[Spanky]

Currently the easiest way to get humidity into the M1 is using a 1 wire humidity sensor from HobbyBoards and using the M1KAM access module. The humidity comes in as a temperature value between 0 and 100.

 

[b_weijenberg]

1-Wire is often the cheapest solution but needs wires. The wireless RFXSensor can be placed anywhere within the range of the RF receiver.

I don't know the ELK but if Sparky is able to implement RFXSensor support and needs any technical details, the RFXSensor protocol is at the rfxcom download page or he can contact me for more details.

Bert

 

[fleetz]

Currently the easiest way to get humidity into the M1 is using a 1 wire humidity sensor from HobbyBoards and using the M1KAM access module. The humidity comes in as a temperature value between 0 and 100.

Hi Spanky,

Thanks Spanky, you have confirmed this before however there is no elegant solution I have found for the sensor. Have a new house and it has to look the goods too. This is why being able to talk to a Oregon Temp/Humidity sensor unit using a RFXcom solution is attractive.

Also the remote temp monitoring where wires don't exist is also a big plus. I don't think I would be the only one with a remote temp sensing application.

Cheers,

Fleetz

 

[GraysonPeddie]

Hi. I don't mean to bring up my old thread, but I'd like to point out that SmartLabs developed TempLinc, but unfortunately, it has been discontinued. I wish SmartLabs would develop an Insteon TempLinc and setup a rule stating that if a temperature falls within a certain amount (25% for 60 degrees), the space heater will turn on, but when it reaches to 75% (80 degrees), turn the space heater off.

It'd be great to use a space heater (non-digital, as in "plug-in-to-turn-on space heater and unplug to turn it off") with my ApplianceLinc during the winter, but I don't think I need a temperature sensor for now. I could just set the interval (custom settings) for 10 minutes and it will work just fine.

The Insteon Templinc (that's not available from SmartHome) looks to be a very good solution. However, since a Templinc functions as a controller, is it possible to make the "# to Change" hidden (including the right arrow) in the keypad, when set from the ElkRP?