Reading Data sheets BMP280

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Personally i found the discussion , informative and entertaining , as did 678 viewers perhaps. MM had used the device so had first hand experience , Camerart , is venturing into unknown territory i believe, I will hopefully be getting stuck into the BME / P 280 and from various discussions on other forums it seems there are lots of traps for young players .
Ian Rogers said:
This thread has gone tits up.
Click to expand...
Don't think so ...
 

Library for BMP280 and BME280

Library for BMP280 and BME280: Introduction I did not set out to write this library. It "happened" as a side-effect of a project I started that uses a BMP280. That project is not yet finished, but I think the library is ready to share with others. Subsequently I had a need to use…
www.instructables.com
 
No, I don't think it's gone what you said either !

Having read the document Tony Stewart posted above, Jon is quite right and I stand corrected; there are indeed pull up resistors, albeit tiny and hidden on the BMP 280 module board I've used - they might be 10k;

camerart .. .. I would commend the same document to you as it seems to clearly explain all the settings etc and also highlights the difficulties I had with explanation. The code differences would be a challenge to me .. .. .. . but I think the document will help you a great deal.

MM
 
Hi N,
Yes, much easier than the way I do things! I suppose you have heard the saying 'I wouldn't start from here' (I'll explan if you haven't heard of it), but there we are.
C
 
Hi G,
And I thought it was for frog olympics

I have a little Arduino computer, and a QCX radio kit build.

The project I'm working on uses an 18F4620 and an 18LF4431 PIC. and as you can see also still grappling.
C.
 
Ian Rogers said:
Lest we forget.... The OP ISN'T using arduino.... He is using a PIC AND!!!! using basic not C or piggin C++

camerart .... This thread has gone tits up... Can we start again please.... The BMP280...

Has anyone answered your question?
Click to expand...
Hi I,
Anyway!
I use a radio link terminal and a digital analyser, so I get results on the computer screen, and carefully went through eveything, and noticed that in my BMP280 initialisation, I start with a RESET, and next to it is a forgotten comment, 'Is this necessary' I tried removing it, and it fixed the problem.
Happy Arduinoing
Thanks, C.
 
Cool... As long as you are happy, the rest can debate the BMP280 until the cows come home..
 
Frogs ... now cows.. Has ETO merged with the 'Country File' site ?
(Country File is a BBC program, amied at 'townies' )
 
BME280 module has arrived , will be trying SPI , first ... not confident ..
PS Some past 'Lord' of Petworth House.(West Sussex) built a tunnel under his massive lawn so he didn't have to watch the cows come home from the feilds to be milked.
 
granddad said:
PS Some past 'Lord' of Petworth House.(West Sussex) built a tunnel under his massive lawn so he didn't have to watch the cows come home from the feilds to be milked.
Click to expand...

Oh, you'd have to use SPI for them, the udder one wouldn't work - 4 teats you see !

MM
 
granddad said:
BME280 module has arrived , will be trying SPI , first ... not confident ..
PS Some past 'Lord' of Petworth House.(West Sussex) built a tunnel under his massive lawn so he didn't have to watch the cows come home from the feilds to be milked.
Click to expand...
The Duke Of Devonshire demolished an entire village (and built a new one) so he wouldn't have to see it from Chatsworth House

The village is called Edensor, and there's only one house left of the original village. The reason for the single house (cottage) is because an old guy lived in it, he'd been born in the cottage, and was expected to die soon - so the Duke agreed to leave it until he died - but the Duke died first, so the cottage got left (it's the one used in the very old Andrex advert )

Andrex Commercial: [Field] | Catalogue | History of Advertising Trust

Shot of country cottage. Andrex puppy runs out of the door with toilet tissue tied round it's middle. Two young boys chase after it. We see the puppy...
www.hatads.org.uk
 
Hi C , do you know your temperature, humidity and pressure yet. I 'm exploring the SPI i/f seems BME/P, 3 wire is different (seems to be in and out on same wire ) so 4 wire > dsPIC SPI, I'm doing a data annalist with an el-cheapo 8 chan thing, at moment so I can prove I am sending hex addresses... I'm converting the farmerkeith's c++ code. (Getting more like Country file all the time , have you seen the cows yet ? )
 
Last edited:
Hi G,
No moos about the cows.

I use 4x wire for SPI, and have used this for years sucessfully.

C.
 
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