Rapberry pi + RF433 + node-red

Павел Ишенин

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Nov 2, 2016, 3:38:44 AM11/2/16

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Hello.

I made a small node-red package which allows to read data from Oregon Scientific sensors using RF433 modules connected to raspberry pi.

If someone have an interest you can install it from npm and test.

kovaccs

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Nov 2, 2016, 5:07:45 PM11/2/16

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Hi Pavel,

Have you deal with the transmitter modul also?

Kovaccsaba

Павел Ишенин

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Nov 2, 2016, 7:55:30 PM11/2/16

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On Thursday, November 3, 2016 at 4:07:45 AM UTC+7, kovaccs wrote:

Hi Pavel,

Have you deal with the transmitter modul also?

Kovaccsaba

Hello.

No, this was not in my plans.

Best regards,

Paul Ishenin

Mike Biddell

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Nov 3, 2016, 11:25:47 AM11/3/16

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As a matter of interest, which sensors are you using and do you have a list of working sensors???

Cheers

Mike

Павел Ишенин

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Nov 3, 2016, 1:41:17 PM11/3/16

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On Thursday, November 3, 2016 at 10:25:47 PM UTC+7, Mike Biddell wrote:

As a matter of interest, which sensors are you using and do you have a list of working sensors???

I tested it only with THGN132N sensor but it should work with other sensors as well.

The radio data decoder (ook.js) is converted from the OregonPi project on github (RcOok.cpp) and the sensor data layouts are taken from another javascript library.

Best regards,

Paul Ishenin

Mike Biddell

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Nov 3, 2016, 1:46:06 PM11/3/16

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Cheers Paul

Useful info

mike

Walter Kraembring

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Nov 3, 2016, 2:16:24 PM11/3/16

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If you can afford it, a RFXtrx is a ready-made-fully-functioning-send-and-receive device that handles this and much, much more

Julian Knight

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Nov 3, 2016, 2:30:43 PM11/3/16

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Yup, and a great piece of kit it is too if you need multi-device 433MHz support. Great range as well, it reaches from our loft right out to the outhouse. Not forgetting Max's great efforts in maintaining the driver nodes.

Павел Ишенин

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Nov 3, 2016, 10:22:00 PM11/3/16

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On Friday, November 4, 2016 at 1:16:24 AM UTC+7, Walter Kraembring wrote:

If you can afford it, a RFXtrx is a ready-made-fully-functioning-send-and-receive device that handles this and much, much more

Yes, but it costs more than the rapberry itself.

Julian Knight

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Nov 4, 2016, 4:06:38 AM11/4/16

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Yes, a lot more it is true. Though it is still cheaper than using the "hubs" provided by some of the 433MHz vendors such as LightwaveRF. And id transmits too. I'm using it with kit from at least 3 vendors including LightwaveRF, HomeEasy EU and Nexa. Unlike proprietary units, it means that you can mix and match thanks to Node-RED so my LightwaveRF remote control can operate HomeEasy plugs and visa versa, the Nexa doorbell can also operate plugs from anyone and so on.

So if you are investing in 433MHz, it doesn't work out so bad in the end.

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