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A beginner can manage it! - RPi3 + Sensehat
#11
All working now, I also got a DTL AIS dongle and am currently organising DIY antenna.

I am very happy with my scanned and calibrated paper charts

I have messed about with the location of the sensehat to avoid the self heating of the temp sensor; I used it with the ribbon cable and sensehat outside the shortcrust case which gave good values but isnt that practical

Then I got longer GPIO pin blocks and stand-offs and used the case extensions of the shortcrust case to put the sensehat further above the RPi in the case with 1cm thick of expanded cardboard (i.e. 2 layers from a thick box) insulation but this still gave elevated temps.

Next step is to use 1 cm of real foam insulation, but I am not sure if self heating comes from RPi or from the sensehat itself.

Actually, I think I will just buy a little thermometer, forget the air temp and just have the sensehat in the unextended shortcrust case - what do I want to know the air temp for? Rolleyes

Thanks for all help

Update: With 1 cm thick polystyrene insulation cut to seal completely around long headers still giving too high temperatures. I'm going to forget about temperature Smile
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#12
My New Case
Will the compass in the Sense Hat be affected by the USB Hub so close?
           

(10-07-2017, 03:58 AM)PaddyB Wrote: I prefer using the opencpn android app, it's quicker than VNC and still uses all the wifi ais/gps etc data. There are 2 versions in the app store, the free one is old and not supported, the paid version is the real one, doesn't cost much.

I just noticed / realised the significance of this part of your reply above
How do I use openCPN on the tablet (which is much quicker, you are dead right) but still access the AIS etc data from the Openplotter RPi on the tablet?
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#13
(01-11-2018, 12:42 PM)Leigh Wrote:


I just noticed / realised the significance of this part of your reply above
How do I use openCPN on the tablet (which is much quicker, you are dead right) but still access the AIS etc data from the Openplotter RPi on the tablet?

Just go into the connections setup page and add this -  if you are connected to the Openplotter access point, or whatever the Openplotter IP address is if the tablet and openplotter are attached to the same wifi network. 

[Image: OpenSettings.JPG?dl=1]
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#14
(01-11-2018, 02:46 PM)PaddyB Wrote:
(01-11-2018, 12:42 PM)Leigh Wrote:


I just noticed / realised the significance of this part of your reply above
How do I use openCPN on the tablet (which is much quicker, you are dead right) but still access the AIS etc data from the Openplotter RPi on the tablet?

Just go into the connections setup page and add this -  if you are connected to the Openplotter access point, or whatever the Openplotter IP address is if the tablet and openplotter are attached to the same wifi network. 

[Image: OpenSettings.JPG?dl=1]

Thanks!

Will give it a go
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