Hi.
I run Cumulus mx with a raspberry pi.
Ive ticked the box to add an extra sensor which is measuring grass temperature. This is reading 2c lower than the normal displayed air temperature. How can i adjust the calibration offset to bring the grass temperature in line with the displayed air temperature.
Also i would like to display grass temperature on my website/cumulus page like the other parameters measured, how could i do this. At the moment i cant seem to record the lows of grass temperature without looking back every hour to find the lowest temperature as it is not recorded.
Hope all makes sense..
Many thanks
Jonathan Jefferies
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Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024
Cumulus MX V4 beta test release 4.0.0 (build 4019) - 03 April 2024
Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)
Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki
Calibrating extra sensor and adding a display
Moderator: mcrossley
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- Posts: 25
- Joined: Fri 22 Apr 2016 5:38 pm
- Weather Station: Instromet
- Operating System: Raspberry pi
- Location: Northamptonshire
Calibrating extra sensor and adding a display
Check out raundsweather.co.uk my weather website
- steve
- Cumulus Author
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Re: Calibrating extra sensor and adding a display
Wouldn’t grass temp normally be lower than air temp anyway, or is that not the case?
There is no calibration setting for extra sensors in Cumulus, and it doesn’t record highs and lows for extra sensors. You could record the values in a database and extract highs and lows from that. There are web tags for extra sensors, which you could use in a web page processed by Cumulus - see the web site section of the wiki.
There is no calibration setting for extra sensors in Cumulus, and it doesn’t record highs and lows for extra sensors. You could record the values in a database and extract highs and lows from that. There are web tags for extra sensors, which you could use in a web page processed by Cumulus - see the web site section of the wiki.
Steve
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- Posts: 25
- Joined: Fri 22 Apr 2016 5:38 pm
- Weather Station: Instromet
- Operating System: Raspberry pi
- Location: Northamptonshire
Re: Calibrating extra sensor and adding a display
Steve
Thank you for the reply.
Im putting the grass temperature sensor in my Stevenson screen to calibrate it against the air temperature sensor so i know it reads the same, then i can put the sensor above the grass knowing its reading correctly.
Ok i will have a go at producing a database.
Thank you.
Thank you for the reply.
Im putting the grass temperature sensor in my Stevenson screen to calibrate it against the air temperature sensor so i know it reads the same, then i can put the sensor above the grass knowing its reading correctly.
Ok i will have a go at producing a database.
Thank you.
Check out raundsweather.co.uk my weather website
- steve
- Cumulus Author
- Posts: 26701
- Joined: Mon 02 Jun 2008 6:49 pm
- Weather Station: None
- Operating System: None
- Location: Vienne, France
- Contact:
Re: Calibrating extra sensor and adding a display
If you need any help with the database settings in MX, just ask and someone should be able to help. There may well be information in the wiki.
Steve